Document

Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take Reduction Plan; Change to Gillnet Gear Requirements

NMFS is taking a deregulatory action to revise the regulations implementing the Harbor Porpoise Take Reduction Plan (HPTRP) to ensure the HPTRP is consistent with a gillnet gear...

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<title>Federal Register, Volume 91 Issue 1 (Friday, January 2, 2026)</title>
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[Federal Register Volume 91, Number 1 (Friday, January 2, 2026)]
[Rules and Regulations]
[Pages 61-66]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-24203]


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DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration

50 CFR Part 229

[Docket No. 251229-0188]
RIN 0648-BN37


Taking of Marine Mammals Incidental to Commercial Fishing 
Operations; Harbor Porpoise Take Reduction Plan; Change to Gillnet Gear 
Requirements

AGENCY: National Marine Fisheries Service (NMFS), National Oceanic and 
Atmospheric Administration (NOAA), Commerce.

ACTION: Interim final rule; request for comments.

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SUMMARY: NMFS is taking a deregulatory action to revise the regulations 
implementing the Harbor Porpoise Take Reduction Plan (HPTRP) to ensure 
the HPTRP is consistent with a gillnet gear requirement previously put 
in place under the Monkfish Fishery Management Plan to reduce bycatch 
of Atlantic sturgeon. This action is necessary to inform the public 
about an amendment to the Harbor Porpoise Take Reduction Plan altering 
the minimum twine size requirement to ensure that fishermen may use the 
low-profile gillnet gear required by the Monkfish Fishery Management 
Plan and also be in compliance with the Marine Mammal Protection Act 
while fishing in the New Jersey Atlantic Sturgeon Bycatch Reduction 
Area.

DATES: Effective on January 2, 2026. Comments on this revision to the 
Harbor Porpoise Take Reduction Plan must be received by February 2, 
2026.

ADDRESSES: A plain language summary of this interim final rule is 
available at <a href="https://www.regulations.gov/docket/NOAA-NMFS-2025-0603">https://www.regulations.gov/docket/NOAA-NMFS-2025-0603</a>. 
You may submit comments on this document, identified by NMFS-NOAA-2025-
0063, by any of the following methods:
    Electronic Submission: Submit all electronic public comments via 
the Federal e-Rulemaking Portal. Go to <a href="https://www.regulations.gov">https://www.regulations.gov</a> and 
enter NOAA-NMFS-2025-0063 in the Search box. Click on the ``Comment'' 
icon, complete the required fields, and enter or attach your comments.
    Instructions: All comments received that are timely and properly 
submitted are a part of the public record and will generally be posted 
for public viewing on <a href="https://www.regulations.gov">https://www.regulations.gov</a> without change. All 
personal identifying information (e.g., name, address, etc.), 
confidential business information, or otherwise sensitive information 
submitted voluntarily by the sender will be publicly accessible. We 
will accept anonymous comments (enter ``N/A'' in the required fields if 
you wish to remain anonymous). Comments sent by any other method, to 
any other address or individual, or received after the end of the 
comment period, may not be considered by us.
    Copies of this action, including the environmental assessment (EA) 
prepared in support of this action, as well as the EA and the 
Regulatory Impact Review/Initial Regulatory Flexibility Analysis (RIR/
IRFA) for related changes to the Monkfish Fishery Management Plan are 
available via the internet at <a href="https://www.regulations.gov/">https://www.regulations.gov/</a> or by 
contacting Elizabeth Stratton (see FOR FURTHER INFORMATION CONTACT 
below).
    Several of the background documents for the Harbor Porpoise Take 
Reduction Plan (HPTRP) and the take reduction planning process can also 
be downloaded from the Plan website (<a href="https://www.fisheries.noaa.gov/new-england-mid-atlantic/marine-mammal-protection/harbor-porpoise-take-reduction-plan">https://www.fisheries.noaa.gov/new-england-mid-atlantic/marine-mammal-protection/harbor-porpoise-take-reduction-plan</a>), including copies of the EA for this action. 
Information on the analytical tools used to support the development and 
analysis of the interim final regulations can be found in the EA. The 
complete text of current regulations implementing the HPTRP can be 
found in 50 CFR 229.33 and 229.34 or downloaded from the HPTRP's 
website, along with outreach compliance guides to current regulations.

FOR FURTHER INFORMATION CONTACT: Elizabeth Stratton, Harbor Porpoise 
Take Reduction Team Coordinator, (978) 281-9307 or 
<a href="/cdn-cgi/l/email-protection#acc2c1cadf82cbcdde82c4dcd8ded8ecc2c3cdcd82cbc3da"><span class="__cf_email__" data-cfemail="1f7172796c31787e6d31776f6b6d6b5f71707e7e31787069">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION:

Background

    Due to high levels of incidental take of harbor porpoise (Phocoena 
phocoena) in U.S. commercial fishing gear in the late 1980s, management 
of bycatch in commercial gillnet gear of the Gulf of Maine/Bay of Fundy 
(GOM/BOF) stock of harbor porpoise began with the formation of the 
Harbor Porpoise Working Group. In 1994, Congress amended the Marine 
Mammal Protection Act (MMPA) to include provisions governing the take 
of marine mammals incidental to commercial fishing operations, 
including incidental take authorization, reporting and monitoring 
requirements, and development of take reduction planning. Pursuant to 
section 118(f)(6)(C) of the MMPA, NMFS created the Harbor Porpoise Take 
Reduction Team (Team) consisting of stakeholders representing state and 
federal government agencies, the fishing industry, conservation 
organizations, and researchers. The Team recommended take reduction 
measures to reduce mortality and serious injury of the GOM/BOF stock of 
harbor porpoise to below the stock's potential biological removal (PBR) 
level. NMFS used those recommendations to propose and finalize a take 
reduction plan. The first iteration of the plan, published on December 
2, 1998 (63 FR 66464), was originally conceived as two separate harbor 
porpoise take reduction plans, one for New England and one for the Mid-
Atlantic. These were combined into one plan in a final rule, referred 
to here as the Harbor Porpoise Take Reduction Plan (HPTRP), but remain 
in separate sections--50 CFR 229.33 (New England Plan) and 50 CFR 
229.34 (Mid-Atlantic Plan)--in the Code of Federal Regulations.
    The commercial fisheries managed under the HPTRP, the Northeast 
sink gillnet fishery and the Mid-Atlantic gillnet fishery, are Category 
I fisheries as listed on the MMPA List of Fisheries (89 FR 77789, 
September 24, 2024). Category I fisheries are those that have frequent 
incidental mortality and serious injury of marine mammals. The HPTRP 
regulations in New England implemented closures and required pingers 
for bycatch reduction, while the in the Mid-Atlantic, the HPTRP 
regulations implemented closures and large-mesh (7-18 inches; 17.78-
45.72 cm) and small-mesh (>5 and <7 inches; >12.7 and <17.78 cm) 
gillnet gear

[[Page 62]]

specifications, including requirements for floatline length, minimum 
twine size, tie-down requirements, net size, nets per vessel, and nets 
per string.
    In 1998, the 5-year (1990-1995) review of the HPTRP estimated 
annual mortality from New England and Mid-Atlantic gillnet fisheries 
was 2,040 harbor porpoises, of which only 10 percent, or approximately 
200 harbor porpoises, were attributed to the Mid-Atlantic region. The 
goal of the HPTRP was to reduce bycatch by 79 percent (63 FR at 66464, 
December 2, 1998) to bring it below PBR, which at the time was 483 
harbor porpoises (62 FR 3005, January 21, 1997) across both regions. 
Since the implementation of the HPTRP, harbor porpoise mortality and 
serious injury incidental to U.S. commercial fisheries has fallen to 
22.3 percent of PBR (now 649, Hayes et al., 2023), with the most recent 
stock assessment report covering 2017-2021 estimating a mean combined 
annual mortality of 145, with 131 in Northeast sink gillnet fisheries, 
10 in Mid-Atlantic gillnet fisheries, and 4 in Northeast bottom trawl 
fisheries (Hayes et al., 2023).
    The GOM/BOF harbor porpoise stock is not listed as threatened or 
endangered under the Endangered Species Act (ESA), and this stock is no 
longer considered strategic under the MMPA (MMPA sec. 3(19)). As noted 
above, the total annual mortality and serious injury estimate for the 
GOM/BOF harbor porpoise stock in U.S. commercial fisheries is currently 
well below PBR (145, 22.3 percent of PBR), with the majority of bycatch 
occurring in the Northeast sink gillnet fishery and not in the Mid-
Atlantic gillnet fishery, the subject of this modification.
    The change to the HPTRP in this rule is a necessary deregulatory 
action to comport with changes to regulations under the Monkfish 
Fishery Management Plan (FMP) implemented to protect ESA-listed 
Atlantic sturgeon. NMFS issued a Biological Opinion on May 27, 2021, 
that considered the effects of authorizing two interstate fishery 
management plans (ISFMP) and eight Federal FMPs, including the Monkfish 
and Spiny Dogfish FMPs, on ESA-listed species and designated critical 
habitat. The Biological Opinion determined that NMFS's authorization of 
the eight FMPs and two ISFMPs may adversely affect, but was not likely 
to jeopardize, threatened (Gulf of Maine) and endangered (New York 
Bight, Chesapeake Bay Carolina, and Southern Atlantic) distinct 
population segments (DPS) of Atlantic sturgeon. The Biological Opinion 
included an Incidental Take Statement and Reasonable and Prudent 
Measures (RPM) with accompanying Terms and Conditions to minimize the 
impacts of incidental take of Atlantic sturgeon. The RPMs required that 
NMFS convene a working group to review all of the available information 
on Atlantic sturgeon bycatch in the federally-permitted large-mesh 
gillnet fisheries and, by May 27, 2022, develop an Action Plan to 
reduce Atlantic sturgeon bycatch (Sturgeon Action Plan) in these 
fisheries by 2024.
    NMFS initially issued the Sturgeon Action Plan on May 26, 2022, and 
revised it on September 26, 2022, incorporating feedback from both the 
New England and Mid-Atlantic Fishery Management Councils (Councils) and 
members of the public. The Councils subsequently developed and approved 
a joint framework action--Framework Adjustment 15 to the Monkfish FMP 
and Framework Adjustment 6 to the Dogfish FMP--to address the 
recommendations of the Sturgeon Action Plan and fulfill the 
requirements of the Biological Opinion.
    The final rule to implement the Sturgeon Action Plan was published 
on December 18, 2024 (89 FR 102834) and contains area-based gear 
requirements and overnight soak prohibitions for vessels fishing with 
gillnets in the monkfish and spiny dogfish fisheries to reduce bycatch 
of Atlantic sturgeon. The Sturgeon Action Plan's requirements for 
vessels fishing for spiny dogfish involve overnight soak prohibitions 
and are not relevant to this rule. The Sturgeon Action Plan's gear 
requirements are a suite of characteristics that together are defined 
as ``low-profile gillnet gear'' (50 CFR 648.2) and are required by 
vessels fishing under federally permitted monkfish days-at-sea within 
the New Jersey Atlantic Sturgeon Bycatch Reduction Area (New Jersey 
Polygon or NJP, defined in 50 CFR 648.91(d)) beginning on January 1, 
2026. However, characteristics of the low-profile gillnet gear are 
inconsistent with one of the current measures, twine size, in the HPTRP 
in the Mid-Atlantic.
    The NJP in the Sturgeon Action Plan is wholly encompassed by 
management areas designated in the HPTRP, identified specifically as 
the Waters off New Jersey Management Area (WNJMA, see figure 1). The 
WNJMA also contains within it two smaller HPTRP management areas, 
identified as Mudhole North and Mudhole South, that have the same gear 
modification requirements, but with different closure dates in the same 
January to April timeframe; they are parts of the WNJMA, and any change 
to the WNJMA applies to both Mudholes. The HPTRP requires gillnets in 
the WNJMA to employ specific gear modifications intended to reduce 
harbor porpoise bycatch, including a minimum twine diameter of 0.9 
millimeters (mm) from January 1 to March 31 and from April 21 to April 
30 in all large mesh (7-18 inches; 17.78-45.72 cm) gillnet gear. The 
HPTRP minimum twine size requirement of 0.9 mm in the Mid-Atlantic 
conflicts with the new definition in the Monkfish FMP of ``low-profile 
gillnet gear,'' which includes a twine size requirement of 0.81 mm.

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[GRAPHIC] [TIFF OMITTED] TR02JA26.002

    This discrepancy between requirements in the Monkfish FMP and the 
HPTRP prompted a review of the current HPTRP gear restrictions and 
history.
    When the HPTRP was implemented in 1998, the Mid-Atlantic coastal 
gillnet fishery consisted of both local Mid-Atlantic vessels and New 
England vessels that fished in Mid-Atlantic waters during the winter 
months. The New England vessels fishing in the Mid-Atlantic region used 
a finer twine size \1\ and more nets per string than the local Mid-
Atlantic vessels. Data indicated that the fine twine gear used by New 
England vessels was associated with a higher level of harbor porpoise 
bycatch than the gear used by local fishermen in the Mid-Atlantic. For 
that reason, the HPTRP employed gear modifications to reflect locally 
prevailing practices in the Mid-Atlantic (63 FR 48670, September 11, 
1998). Among those requirements was a 0.9-mm minimum twine size for 
large-mesh (7-18 inches; 17.78-45.72 cm) gillnets, which had lower 
harbor porpoise bycatch than hauls targeting monkfish using smaller 
twine sizes (Palka 1997). The HPTRP also set a 0.81-minimum twine size 
for small-mesh (>5 and <7 inch; >12.7 and <17.78 cm) gillnets in the 
Mid-Atlantic. Because none of the gear characteristics alone were 
strongly correlated with reduced bycatch, the HPTRP combined a number 
of measures to achieve the bycatch reduction goal in the Mid-Atlantic; 
however, smaller twine size (such as 0.62 mm and 0.66 mm) and floatline 
length appeared to be the predominant gear characteristics correlated 
with harbor porpoise bycatch in the Mid-Atlantic.
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    \1\ Reported twine size in monkfish hauls with harbor porpoise 
bycatch were: 0.57mm (3 takes), 0.62 mm (6 takes), 0.66 mm (4 
takes), 0.71 mm (1 take), 0.81 mm (1 take), and 0.90 mm (1 take) 
(Palka 1997).
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    As noted above, when the minimum twine size requirement for large-
mesh gillnet gear was established in the HPTRP in 1998, there were not 
enough data to distinguish the effect of twine size as opposed to other 
factors like soak time and floatline length, on harbor porpoise 
bycatch. Now, 27 years after the rule was implemented, we still expect 
that a combination of factors influence the rate of bycatch of harbor 
porpoise in gillnet gear; the role that twine size plays in affecting 
harbor porpoise bycatch rates remains unclear. Currently, there is a 
low rate of observer coverage in mid-Atlantic gillnet fisheries,\2\ and 
observed bycatch has been very low in the Mid-Atlantic region in recent 
years, with a mean combined annual mortality of 10 from 2017 through 
2021 (Hayes et al., 2023). In addition, 0.81-mm twine in large mesh 
gear has not been observed since 2016, and was rare before that, so 
there are few data for comparison. Finally, there are fewer harbor 
porpoises present in the Mid-Atlantic from January to May due to 
changes in habitat use. Given all of these constraints, there is some 
uncertainty in how this small change (0.9 mm to 0.81 mm, a change of 
only

[[Page 64]]

0.09 mm) in twine size may affect harbor porpoise bycatch.
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    \2\ From 2015 through 2022, observer coverage in Mid-Atlantic 
gillnet fisheries ranged from 1 to 13 percent (Precoda 2024; Precoda 
and Orphanides 2022).
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    Analysis of the available data indicates that the combinations of 
gear configurations and environmental variables, along with relatively 
low bycatch rates, will show a barely perceptible effect in the data, 
if there is one, as a result of this twine size change. Scientists have 
noted that it could take several years of observation to see any effect 
of this small change in minimum twine size (Precoda et al., 2025).
    In June 2024, NMFS convened the Team to monitor implementation of 
the HPTRP and that meeting was open to the public. At that meeting, the 
Team discussed the changes to the Monkfish FMP, and did not voice any 
concerns about NMFS modifying the HPTRP. Members of the Team also 
supported changing the minimum twine size to 0.81 mm throughout the 
HPTRP regulated areas in the Mid-Atlantic to minimize the burden on 
fishermen who might have to otherwise change their nets when fishing 
outside the NJP. This rule therefore modifies the minimum required 
twine size for large-mesh gillnet gear in all HPTRP management areas in 
the Mid-Atlantic, so that fishermen will not have to maintain two sets 
of gear.
    A technical memo summarizing the information presented to the Team 
was published after the meeting (Precoda et al., 2025). The memo used 
historical observer gillnet data from waters including and extending 
beyond the NJP and developed two generalized additive models, with 
different definitions for bycatch, using different data sets to 
evaluate the potential impact on harbor porpoise bycatch of this change 
to a minimum 0.81-mm diameter twine in the HPTRP management areas in 
the Mid-Atlantic (Precoda et al., 2025). The analysis showed that the 
statistically significant factors affecting harbor porpoise bycatch 
included year, soak duration, longitude, and combinations of twine size 
and soak duration or twine size and month, but twine size on its own 
was not significant (Precoda et al., 2025). After accounting for these 
other influential factors, statistical models showed that harbor 
porpoise bycatch in 12-inch (30.48-cm) mesh gillnets observed during 
1994-2022 with 0.81-mm twine size tended to be higher than in gillnets 
with 0.9-mm twine size, though that difference was larger before 2005 
than in the more recent 2012-2022 timeframe. There is no evidence that 
changing twine size from 0.9 mm to 0.81 mm would, on its own, produce a 
large impact on harbor porpoise bycatch, such that the levels of harbor 
porpoise bycatch in the Mid-Atlantic gillnet fishery would meaningfully 
change from current levels (Precoda et al., 2025).

Summary of Change to the Harbor Porpoise Take Reduction Plan

    This interim final rule amends the gillnet gear modification 
requirements in Sec.  229.34, the Mid-Atlantic portion of the HPTRP, to 
reduce the minimum allowable twine size diameter for nets with a mesh 
size of greater than 7 inches (17.78 cm) to a diameter of 0.81 mm from 
the current minimum allowable twine size diameter of 0.9 mm. This 
deregulatory amendment would not require fishermen to make any changes 
to their gear but would allow fishermen who use the low-profile gillnet 
gear required by the Monkfish FMP to also be in compliance with the 
MMPA while fishing in the NJP. In order to provide fishermen fishing in 
the NJP with maximum flexibility, the change in the minimum twine size 
requirement will apply to all the managed areas of the HPTRP within the 
Mid-Atlantic, as suggested by a member of the Team. This suggestion was 
supported by several others, and no Team member voiced an objection.
    This action does not require fishermen to change their gear, and 
therefore does not impose an economic impact. The economic impact to 
fishermen of the new low-profile gillnet gear requirements, including a 
change to the 0.81-mm twine size, within the NJP is thoroughly 
discussed in the EA for the Joint Framework Action to Reduce Sturgeon 
Bycatch in Monkfish and Spiny Dogfish Fisheries available on our 
website (<a href="https://www.fisheries.noaa.gov/action/framework-adjustment-15-monkfish-fishery-management-plan-framework-adjustment-6-spiny">https://www.fisheries.noaa.gov/action/framework-adjustment-15-monkfish-fishery-management-plan-framework-adjustment-6-spiny</a>).
    For fishermen who do not fish in the NJP, the change to the HPTRP 
to allow a slightly smaller minimum twine size is not expected to have 
any negative economic effects. The Monkfish FMP modifications and this 
rule do not impose any new requirements on fishermen fishing outside 
the NJP. This action allows additional flexibility by increasing the 
range of twine sizes fishermen may use in a broader area, so that 
fishermen do not need to modify gear when moving outside of the NJP in 
order to remain in compliance with the HPTRP.
    While the rule will not impose an economic impact, taking no action 
would have economic consequences. If no action is taken to modify the 
minimum twine size requirements in the HPTRP, federally permitted 
monkfish fishermen currently fishing in the NJP, which is within the 
HPTRP's WNJMA, would be unable to comply with the conflicting 
regulations between January and April, effectively rendering the NJP as 
a closed area. Based on 2021 through 2024 Catch Accounting and 
Monitoring System (CAMS) data from the NMFS Greater Atlantic Regional 
Fisheries Office (GARFO), an average of nine federally permitted 
monkfish vessels fishing large-mesh fixed-gear gillnet operated in the 
NJP between January and April each year. On average, these vessels 
collectively generated $156,640 (in 2024 dollars) in revenue from the 
NJP during these four months. Additional economic impacts of taking no 
action would depend on how fishermen respond to the regulatory 
environment. Some fishermen may choose to modify their gear in 
accordance with the Monkfish FMP. By doing so, they would be excluded 
from fishing within the HPTRP's WNJMA from January to April. Based on 
2021-2024 GARFO CAMS data, an average of 12 federally permitted 
monkfish vessels fishing large-mesh fixed-gear gillnet operated in the 
WNJMA during those months each year. On average, these vessels 
collectively generated $279,174 (in 2024 dollars) in revenue from the 
WNJMA during these four months. However, it is unlikely all vessels 
would make the same gear modification decision. The economic impacts 
would likely be a portion of this value, depending on the number and 
revenues of vessels undertaking the modification to gain access to the 
NJP during May through December.
    Alternatively, fishermen could decide not to alter their gear and 
remain in compliance with the existing HPTRP. If so, fishermen would be 
functionally excluded from the NJP for the duration of the year. Based 
on 2021-2024 GARFO CAMS data, an average of 14 federally permitted 
monkfish vessels fishing large-mesh fixed-gear gillnet operated in the 
NJP. On average, these vessels collectively generated $427,863 (in 2024 
dollars) in revenue from the NJP. However, it is unlikely all vessels 
would make the same gear modification decision. The economic impacts of 
this possibility would be a portion of this value, depending on the 
number and revenues of vessels who do not change their gear to maintain 
unrestricted access to the WNJMA. While there are areas outside of the 
NJP where federal monkfish gear is currently fished, fishermen would 
potentially have to displace gear upwards of 20 additional miles (32 
kilometers) from shore,

[[Page 65]]

affecting the time at sea and fuel costs (Miller et al., 2024a, Miller 
et al., 2024b). For more details on the economic analyses and 
underlying assumptions, please see section 6.7 in the associated EA for 
this action, as well as sections 5.5, 6.6, and 7.1 of the Joint 
Framework Action to Reduce Sturgeon Bycatch in Monkfish and Spiny 
Dogfish Fisheries EA (NEFMC and MAFMC 2024).
    This modification of the HPTRP exercises NMFS' discretion and 
authority under the MMPA and is needed to provide consistency of MMPA 
regulations with Framework Adjustment 15 to the Monkfish FMP and 
Framework Adjustment 6 to the Spiny Dogfish FMP (89 FR 65576, August 
12, 2024), which are intended to minimize bycatch of Atlantic sturgeon, 
including distinct population segments listed as threatened or 
endangered under the ESA. The rule will continue to reduce mortality 
and serious injury of harbor porpoise through the gear modifications 
and closures in place, congruent with the MMPA section 118 short-term 
goal of remaining below PBR, and is not expected to affect the 
trajectory with respect to the long-term goal of the Plan of achieving 
a zero mortality and serious injury rate.

Classification

    The NMFS Assistant Administrator has determined that the rule is 
consistent with the HPTRP, with the rulemaking authority under MMPA 
section 118(f), and with other applicable laws.

Executive Order 12866 and Executive Order 14192

    This rule has been determined to be not significant for purposes of 
Executive Order 12866. The rule is considered an Executive Order 14192 
deregulatory action.

Administrative Procedure Act

    In promulgating this change to the HPTRP, we find that there is 
good cause to waive prior notice and an opportunity for public comment 
otherwise required pursuant to 5 U.S.C. section 553 because notice and 
comment would be contrary to public interest (5 U.S.C. 553(b)(B)). In 
addition, there is an exigent need to implement this action to relieve 
restrictions on the regulated community and mitigate economic harm 
caused by an unintended closure of the New Jersey Atlantic Sturgeon 
Bycatch Reduction Area (NJP) to fishing as a result of conflicting 
regulations. In order to immediately relieve this restriction, this 
rule is effective upon publication pursuant to 5 U.S.C. 553 (d)(1). 
Specifically, beginning January 1, 2026, Framework Adjustment 15 to the 
Monkfish Fishery Management Plan (FMP) requires federally permitted 
monkfish vessels, fishing in the NJP, to use 0.81-mm twine size while 
the existing HPTRP regulations require a minimum twine size of 0.9 mm 
in the same area from January through April each year.
    An average of nine federally permitted monkfish vessels fishing 
large-mesh fixed-gear gillnet operate in the NJP between January and 
April each year (the time and area that would be subject to closure), 
collectively generating approximately $156,640 (in 2024 dollars) in 
revenue during these four months and accounting for approximately 15 
percent of the annual monkfish effort in the Waters off New Jersey 
Management Area. Any delay in amending the HPTRP to harmonize with the 
Monkfish FMP requirement will result in substantial economic impacts to 
these small fishing businesses and businesses that depend on them.
    In addition, the public has had ample opportunity to comment on the 
Monkfish FMP 0.81 mm twine size requirement. There were approximately 
20 public meetings with opportunities for public comment related to 
Monkfish Framework Adjustment 15 (see Table 50 in the Environmental 
Assessment for the Joint Framework Action to Reduce Sturgeon Bycatch in 
Monkfish and Spiny Dogfish Fisheries). In addition, the proposed rule 
for Monkfish Framework Adjustment 15, which was published on August 12, 
2024 (89 FR 65576), was open for a 30-day public comment period. During 
the public comment period, NMFS received no comments on this change as 
it related to harbor porpoise take.\3\ NMFS also notified, via email, 
all members of GARFO's Marine Mammal/Endangered Species and general 
interest email lists (10,149 recipients) about a Harbor Porpoise Take 
Reduction Team meeting on June 28, 2024, where the proposal to change 
the HPTRP to a minimum 0.81-mm twine size in the Mid-Atlantic region 
would be discussed. In addition, NMFS posted information about the 
meeting on its website, including a registration link for non-Team 
members to observe the meeting. At that meeting, the Harbor Porpoise 
Take Reduction Team received a briefing and asked questions about the 
Monkfish Framework Adjustment 15 low-profile gear requirement 
(including the 0.81-mm twine size) and Team members voiced no concerns 
about NMFS modifying the HPTRP to avoid this conflict in regulations. 
Members of the Team also supported changing the minimum twine size to 
0.81 mm throughout the HPTRP's Mid-Atlantic regulated areas to minimize 
the burden on fishermen who might have to otherwise change their nets 
when fishing outside the NJP. Members of the public in attendance were 
invited to email any additional comments to the Harbor Porpoise Take 
Reduction Team coordinator. No comments were submitted.
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    \3\ The only comment that mentioned the Mid-Atlantic Plan raised 
concerns that the change to the minimum twine size regulation in the 
Mid-Atlantic Plan would not be in place by January 1, 2026, and 
would result in an inadvertent fishery closure that would incur 
negative economic impacts to the fishery (89 FR at 102836).
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    This rule relieves a restriction by removing a conflict between the 
Monkfish FMP and the HPTRP and will allow fishermen to continue fishing 
without interruption. By changing the minimum twine size required in 
large-mesh gillnets in the existing HPTRP management areas in the Mid-
Atlantic to a minimum diameter of 0.81 mm rather than a minimum of 0.9 
mm, this regulation does not require fishermen to make any changes. 
Federally permitted monkfish vessels will have changed their gear to be 
consistent with the Monkfish FMP requirements. This rule allows 
fishermen to be in compliance with both the HPTRP and the Monkfish 
FMP's requirement to use low-profile gear (with a twine size of 0.81 
mm) when fishing in the NJP, does not require fishermen who fish 
outside of the NJP to make any changes, and also allows fishermen who 
fish both inside and outside of the NJP to maintain the gear of their 
choosing. Vessels need the immediate implementation of this measure to 
authorize them to continue fishing in the areas and times of year they 
have been fishing, and will continue to fish in accordance with the new 
gear requirements implemented by the Monkfish FMP beginning January 1, 
2026. It is in the public interest that commercial fishing vessels and 
the businesses that depend on them avoid the economic impacts of the 
unintended closure that will result if this rule is delayed.

National Environmental Policy Act

    An Environmental Assessment has been prepared, analyzing the 
impacts on the human environment that would result from this interim 
final rule and NMFS has determined that this interim final rule will 
not have significant environmental impacts upon implementation of the 
action. Upon consideration of any comments received on this interim 
final rule, NMFS may

[[Page 66]]

publish a subsequent rule confirming, modifying, or withdrawing this 
interim final rule.

Paperwork Reduction Act

    This rule contains no information collection requirements under the 
Paperwork Reduction Act of 1995.

Regulatory Flexibility Act

    Because a notice of proposed rulemaking and an opportunity for 
public participation are not required to be given for this rule by 5 
U.S.C. 553(b)(B), the analytical requirements of the Regulatory 
Flexibility Act (5 U.S.C. 601 et seq.) are not applicable. Accordingly, 
no regulatory flexibility analysis is required, and none has been 
prepared.

References

    Hayes, S.H., E. Josephson, K. Maze-Foley, J. McCordic, P.E. 
Rosel, and J. Wallace. 2023. U.S. Atlantic and Gulf of Mexico Marine 
Mammal Stock Assessments 2022. Northeast Fisheries Science Center, 
Woods Hole, MA.
    Miller, A., L. Solinger, B. Shank, A. Huamani, M. Duffing 
Romero, M. Asaro, C. Franco, M. Trego. 2024a. A decision support 
tool to assess risk of entanglement mortality to large whales from 
commercial fixed-gear fisheries in the Northwest Atlantic. U.S. Dept 
Commer Northeast Fish Sci Cent Tech Memo 312. 102 p.
    Miller, A.S., L.K. Solinger, B. Shank, A. Huamani and M. J. 
Asaro. 2024b. Gearing Up:
    Methods for Quantifying gear density for fixed-gear commercial 
fisheries in the U.S.
    Atlantic. Canadian Journal of Fisheries and Aquatic Sciences. 
82: 1-15.
    NEFMC and MAFMC. 2024. Environmental Assessment of the Joint 
Framework Action to Reduce Sturgeon Bycatch in Monkfish and Spiny 
Dogfish Fisheries: Monkfish Framework Adjustment 15 and Spiny 
Dogfish Framework Adjustment 6. October 22, 2024. 248 pp.
    Palka, D. 1997. Effects of Gear Characteristics on the Mid-
Atlantic Harbor Porpoise Bycatch. Report to the Mid-Atlantic Take 
Reduction Team. Unpublished.
    Precoda, K., S. Chavez-Rosales, and D. Palka. 2025. 
Investigating gillnet twine size and Mid-Atlantic harbor porpoise 
bycatch. Northeast Fisheries Science Center Reference Document 25-
03. 24 pp.

List of Subjects in 50 CFR Part 229

    Administrative practice and procedure, Confidential business 
information, Fisheries, Marine mammals, Reporting and recordkeeping 
requirements.

    Dated: December 30, 2025.
Samuel D. Rauch III,
Deputy Assistant Administrator for Regulatory Programs, National Marine 
Fisheries Service.
    For the reasons set out in the preamble, 50 CFR part 229 is amended 
as follows:

PART 229--AUTHORIZATION FOR COMMERCIAL FISHERIES UNDER THE MARINE 
MAMMAL PROTECTION ACT OF 1972

0
1. The authority citation for 50 CFR part 229 continues to read as 
follows:

    Authority: 16 U.S.C. 1361 et seq.; Sec.  229.32(f) also issued 
under 16 U.S.C. 1531 et seq.


0
2. Amend Sec.  229.34 by revising paragraphs (b)(1)(ii)(B), 
(b)(2)(ii)(B), (b)(3)(ii)(B), and (b)(4)(ii)(B) to read as follows:


Sec.  229.34  Harbor Porpoise Take Reduction Plan Regulations--Mid-
Atlantic.

* * * * *
    (b) * * *
    (1) * * *
    (ii) * * *
    (B) Twine size. The twine is at least 0.81 mm in diameter.
* * * * *
    (2) * * *
    (ii) * * *
    (B) Twine size. The twine is at least 0.81 mm in diameter.
* * * * *
    (3) * * *
    (ii) * * *
    (B) Twine size. The twine is at least 0.81 mm in diameter.
* * * * *
    (4) * * *
    (ii) * * *
    (B) Twine size. The twine is at least 0.81 mm in diameter.
* * * * *

[FR Doc. 2025-24203 Filed 12-31-25; 8:45 am]
BILLING CODE 3510-22-P


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Legal Citation

Federal Register Citation

Use this for formal legal and research references to the published document.

91 FR 61

Web Citation

Suggested Web Citation

Use this when citing the archival web version of the document.

“Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take Reduction Plan; Change to Gillnet Gear Requirements,” thefederalregister.org (January 2, 2026), https://thefederalregister.org/documents/2025-24203/taking-of-marine-mammals-incidental-to-commercial-fishing-operations-harbor-porpoise-take-reduction-plan-change-to-gilln.