Anglers often like to throw (mostly metaphorical) stones at
commercial fishermen, and every angler has a favorite target.
Some have a particular antipathy toward gillnetters, while
others abhor folks who pull trawls.
Longliners, whether pelagic or bottom, have their share of critics, as
do haul seiners, harpooners, and even those who earn their pay fishing with
hook and line. The hostility can vary by region, or the fish targeted. Every angler has their own idea
of what makes a commercial fishery particularly vile. They often disagree.
Except when it comes to the menhaden reduction fishery,
which has managed to attract the slings and arrows of just about every recreational
fisherman, environmental advocates, and even some members of the commercial
fleet. And when you stop to think about
it, that’s probably not surprising, because if you’re looking for a fishery to
despise, the menhaden reduction fishery offers something for just about
everyone.
Start with the fact that all of the menhaden reduction fishing in the United States is done by just two companies, Alpha VesselCo LLC,which does business under the name “Ocean Harvesters” and operates in both the Atlantic and Gulf of Mexico, and Daybrook Fisheries, which fishes solely in the Gulf. Both operations are, at least for the fishing industry, large and heavily capitalized corporations, and certainly the antithesis of what might be called an “artisanal” fishery.
Taking things a step farther, the menhaden reduction
operations are not completely domestic, but instead are operated by U.S.
subsidiaries of foreign corporations. While
Alpha VesselCo owns and operates the 30 purse seine vessels that actually catch
the menhaden, such vessels were originally owned by Omega Protein, which had to
divest its fleet after it was acquired by, and became a division of, Cooke
Inc., one of the world’s largest seafood and aquaculture companies, which is
located in New Brunswick, Canada. A
long-term contract to supply menhaden to Omega Protein effectively ties Alpha
VesselCo to Omega, even though the company is legally an independent entity.
Thus, although the people who are actually doing the fishing
are United States residents, the
foreign connection makes both Omega and Daybrook targets not only for those who
don’t like large corporations, but also for those who don’t like the idea of “foreigners”
harvesting fish in United States waters.
It’s a line you often hear from folks who want to shut down the
reduction fishery, with one anti-reduction industry group going so far as to
post on its website
“Who will win? A
Foreign Industrial Conglomerate or America.”
Of course, a fish neither knows nor cares who kills it, it
is merely dead. If one reduction fleet vessel
ends up killing 1,500,000 menhaden on any given day (the
Alpha VesselCo boats can hold between 1.3 and 2 million fish at any one time),
or if 150 pound netters and smaller “bait” purse seiners kill just 10,000
menhaden each, the net result is still 1.5 million dead menhaden removed from
the ecosystem.
But there’s something about the big reduction boats that draws
a disproportionate amount of folks’ ire.
People tend to get upset about that sort of thing.
But from a policy perspective, what matters isn’t
who gets their feelings hurt, or who might dislike large-scale fisheries, but
whether those fisheries do any lasting harm to marine resources and marine
ecosystems. In that regard, the
reduction fishery has come in for a lot of criticism, but as heated as that
criticism might be, it rests on shaky factual foundations.
“Harass the ASMFC Menhaden Board,”
claiming, contrary to easily located
information, that
“These are the folks who are in charge of setting limits and
restrictions on industrial menhaden reduction fishing on the Atlantic
Coast. So far they have done nothing but
sit on their hands and ignore all calls for a solution. Give them your two cents by making a call or
sending an email.”
In fact, the ASMFC’s Atlantic Menhaden Management Board constantly
monitors both the state of the menhaden stock and level of menhaden harvest,
including the harvest of the reduction fishery. In 2006, despite the lack of any data suggesting
that the move was needed, it imposed a precautionary harvest cap of 109,020 metric
tons on the reduction fishery in the Chesapeake Bay, a cap that, despite
a continuing lack of data justifying such action, was more than cut in half, to
51,000 metric tons, in 2017.
Thus, any claims that the reduction fishery is doing harm to
Atlantic menhaden stocks, or rendering the Atlantic menhaden stock unable to
perform its ecological role as a forage fish, are without scientific support.
Although that doesn’t prevent folks from making such claims,
particularly when they get paid to do so.
Critics of the reduction fishery have also claimed that the
fishery generates high levels of bycatch, leading to the death and subsequent
waste of a substantial number of non-target species, including many valued food
and sport fish.
The
reduction industry tries to minimize the issue, arguing that the bycatch level
in the Atlantic menhaden fishery is less than one percent. Still, one percent of 1.2 billion pounds of
menhaden landings adds up to a substantial number.
And the reduction fishery certainly generates some bycatch. When I was still living in Connecticut back
in the late 1960s and early 1970s, the big purse seiners often came all the way
into western Long Island Sound, where their nets sometimes dragged across the bottom. For a while, relations
between anglers and the purse seiners weren’t too bad, and recreational
fishermen were known to go up to the purse seine boats and ask for a bucket of
menhaden, perhaps in exchange for a six-pack of Schaeffer, Piels, or some other
cheap beer, so that they wouldn’t have to catch their own bait. I know of at least one occasion when the
bucket was returned full of weakfish rather than menhaden, mute testimony to
the bycatch that was then taking place.
So we know such things happen. What we didn’t know was how often they
happen, with anglers tending to think that bycatch is out of control, while the
menhaden industry argues that it is negligible.
Observers providing data for the study sampled 418 of the 13,144
sets made by menhaden reduction vessels in Louisiana waters during 2024—about 3.2
percent of the total—spread out across the fishing season. The characteristics of the sampled sets,
including depth, water temperature, and dissolved oxygen, were similar to those
of all sets made by the reduction fleet.
Bycatch composition and survival rates differed depending on
how fish interacted with the fishing gear.
Once a purse seine is set and drawn tight, the menhaden are removed by
means of a 10-inch suction hose. The
head of that hose, which is lowered into the fish packed into the seine, is
surrounded by a metal cage which limits the size of the fish that can enter the
system. At the other end of the hose,
where fish are deposited into the vessel’s hold, there is a screen designed to
divert bycatch into a chute and back into the water. As a result, only menhaden and smaller fish
taken as bycatch end up in the hold.
The study places all reduction fleet bycatch into one
of three categories: 1) Rollover Bycatch,
which are fish too large to fit through the cage fitted around the end of the suction
hose, 2) Chute Bycatch, which are fish that are sucked up into the hose, but
are later deflected back into the ocean rather than deposited into the vessel’s
fish hold, and 3) Retained Bycatch, which is bycatch that goes into the fish
hold along with the menhaden.
As one might expect, survival varies among bycatch types.
Rollover Bycatch has the highest survival rate,
which seems reasonable given that all such fish remain in the net until
released, and any harm suffered is a result of their limited ability to move in
the packed purse seine, or of them being physically compressed by the other fish crowded
into the net.
Of the 418 observed sets, 43—a little over 10 percent—had no
Rollover Bycatch at all. The average set
resulted in a Rollover Bycatch of 11 individual fish, which might belong to any
of 43 different species, although the amount of Rollover Bycatch varied widely
by set, and ranged from zero to 128 individuals. The study’s authors estimated that, for all reduction
vessels fishing off Louisiana in 2024, Rollover Bycatch amounted to very
slightly more than 145,000 individual fish, having a total weight of a little over
3.25 million pounds.
Five species accounted for two-thirds of the Rollover
Bycatch, when measured in numbers of fish, and 52.8 percent when measured by
weight: cownose rays (estimated at 26,847
individuals/538,000 pounds across all sets made in 2024), red drum (26,752
individuals/575,500 pounds), black drum (18,680 individuals/319,000 pounds),
gafftopsail catfish (13,809 individuals/40,000 pounds), and crevalle jack (10,525
individuals/260,000 pounds). Various
requiem sharks, of the genus Carcharhinus, accounted for 22.3 percent of the Rollover
Bycatch by number, and 44.1 percent by weight.
The likelihood that individuals caught as bycatch would
survive is linked to the fishes’ condition.
A fish exhibiting vigorous body movements and no external injuries was
deemed to be in “excellent” condition. Fish
with weak body movements and/or with only minor external injuries were deemed
to be in “good” or “fair” condition, while those with no body movement, but
still moving their gill covers, and/or with serious external injuries were
considered to be in “poor” condition.
Mortality was signaled by no body or gill cover movement, major external
injuries and/or clear signs of death.
Most of the Rollover Bycatch was released in “excellent” or “good”
condition, although that varied from species to species. Of the important food and sport fish, 95.9
percent of the red drum were released in either “excellent” or “good”
condition, with 70.4 percent falling into the “excellent” category. Black drum reacted similarly, with 95 percent
released in either “good” or “excellent” condition, and 80.7 percent rated “excellent.” However, crevalle jack didn’t fare quite as
well, with only 71 percent falling into the top two categories (just 22.1
percent rated “excellent”), while 19.1 percent were returned to the water
dead. Sharks, as a group, fared even
worse, with 34.9 percent of spinner sharks and 27.9 percent of blacktip sharks
dead when removed from the net.
Chute Bycatch saw far higher mortality rates, and far fewer fish released in either “excellent” or even “good” condition. It was sampled in 414 of the 418 observed sets, and the good news is that out of those 414 sampled sets, 117—about 28 percent—had no Chute Bycatch at all. Across all sampled sets, the average Chute Bycatch was 10.6 individuals, with the number in any given set ranging from zero to 220. The researchers estimated that, across all sets made in Louisiana waters in 2024, Chute Bycatch totalled about 139,470 fish, belonging to 41 different species and weighing a total of 1.6 million pounds.
Five species of fish, four of which dominated the Rollover
Bycatch as well, accounted for 80.7 percent of the individual fish in the Chute
Bycatch, and 80 percent of the Chute Bycatch weight. They included gafftopsail catfish (49,780
individuals/142,000 pounds), cownose ray (29,094 individuals/434,000 pounds),
red drum (17,841 individuals/332,000 pounds), blacktip shark (8,818
individuals/268,500 pounds), and black drum (6,957 individuals/50,927
pounds). Another five species—striped mullet,
crevalle jack, sand seatrout, hardhead catfish, and finetooth shark accounted
for another 13.4 percent of the Chute Bycatch when measured by number, and 10.2
percent when measured by weight.
Likely survival of the Chute Bycatch was not good. 81.9 percent of the blacktip sharks, 60.5
percent of the red drum, and 43.6 percent of the black drum were returned to
the water dead. Only about two percent
of the red and black drum, and none of the blacktips, were in “excellent”
condition when released.
And, of course, when it came to the Retained Bycatch, no fish survived at all.
415 of the 418 observed sets were sampled for Retained Bycatch. All had some retained bycatch,
with the average set having a Retained Bycatch of 59.8 individuals. Across all sets made off Louisiana in 2024,
Retained Bycatch was estimated to be 145.5 million individuals, belonging to 62
different species, and weighing an estimated aggregate of 23.1 million pounds. Just four species accounted for 84.3 percent
of the Retained Bycatch when gauged by individual animals, and 51 percent when measured
by weight: Atlantic croaker (80,592,690
individuals/5,478,000 pounds), sand seatrout (24,750,238 individuals/4,299,000
pounds), spot (11,685,469 individuals/1,501,000 pounds), and white shrimp
(5,699,563 individuals/346,000 pounds).
Gafftopsail catfish accounted for another 16.8 percent of the catch by
weight (3,830,000 pounds).
So, from a conservation/fisheries management perspective,
what should we make of it all?
The study found that total bycatch, both dead and released
alive, equaled about 3.59 percent of the reduction fleet’s catch when measured
by weight, and 4.57 percent when measured by number. Of that, retained bycatch equaled 2.98
percent of the fleet’s overall landings.
The big question is how the most popular sport and food fish
were impacted by reduction fleet bycatch.
The study found that out of 44,593 red drum and 25,637 black drum taken
as bycatch, 22,805 of the former and 16,551 of the latter survived—survival rates
of 51.1 percent and 64.6 percent respectively.
Ø “Mortality
estimates for Red Drum (in numbers) are not significantly different from those
previously estimated by [the Louisiana Department of Wildlife and Fisheries],
however, the…study provided average weights of the Red Drum from the bycatch,
which were not previously available.
These weights, physically taken from the bycatch, resulted in a higher
total poundage of dead Red Drum, despite the total numbers being very similar
to LDWF estimates.”
Ø “Mortality
estimates of Spotted Seatrout are higher than previously estimated by LDWF, as
the…study does a more effective job of accounting for retained catch, which was
not accounted for well in previous bycatch work upon which previous LDWF
estimates were based.”
And, in what is the most significant finding,
Ø
“Despite the larger poundage of both Red Drum
and Spotted Seatrout in menhaden bycatch, the stock status and length of
time for stocks to approach management targets are likely to remain unchanged;
however, the characterization and proportion of removals will change within the
assessment. [emphasis added]”
Are the results of the Louisiana study transferrable to
other areas? The answer is probably yes
elsewhere in
the Gulf of Mexico, where the fishery is generally prosecuted in shallow
waters, with an average depth of just 15 feet of water, and rarely if ever
deeper than 55 feet. It’s not clear
whether the answer will be the same on the Atlantic coast where, with the
exception of some sets made in the Chesapeake Bay, much of the fishing takes
place in the ocean, in federal waters more than three miles from shore, where
the species mix is very different from what it is in the Gulf, and the purse
seines remain above the bottom.
Yet, regardless of the study’s results, both sides of the
reduction fishery debate—the menhaden industry and the broad array of foundation-funded
organizations, consultants, public relations firms and others who are being
paid to shut the industry down, in whole or in part—are already spinning the
study’s findings to support their own arguments.
“The study reaffirms what decades of science have
consistently shown: Louisiana’s Gulf
menhaden fishery is sustainable, selective, and not a threat to red drum
populations.”
“Data suggest 22,000 or more mature redfish and a host of
other sportfish, forage fish killed annually by pogy boats off Louisiana.”
Ben Landry, speaking on behalf of Ocean Harvesters/Alpha
VesselCo, elaborated on the industry’s position by noting,
“The study confirmed much of what we’ve seen firsthand—high survival
rates when fish remain in the net and gains from gear improvements. We didn’t wait to act. As soon as the science came in, we upgraded
our entire fleet’s gear to reflect its findings. It’s another step forward in our long-standing
commitment to responsible, sustainable fishing,”
which may be a little bit of an overstatement with respect
to upgrading the “entire fleet’s gear,” as the study noted that there is substantial
variation in the cage that prevents larger fish from being sucked up the
suction hose; some hoses are affixed with narrow-slatted cages that allow relatively
little bycatch to pass through, while others have cages with much wider gaps
that are far from state of the art, and lead to higher levels of bycatch mortality. Most have excluder cages that fit
somewhere between those two extremes.
So there’s certainly room for at least a little improvement on the industry’s side.
At the same time, the Theodore Roosevelt Conservation Partnership’s
Chris Macaluso, the director of its Center for Fisheries and Mississippi River
Programs, fretted that
“The results are concerning, especially given the efforts
underway for the last year to make Louisiana’s redfish population healthier by
ending the recreational harvest of large, breeding-size redfish.”
Yet, while the 22,000 or so red drum killed each year as by
bycatch in the reduction fishery aren’t insignificant, they pale beside the
nearly 750,000 red drum landed by Louisiana’s recreational fishermen each year. So if Mr. Macaluso is truly concerned with
red drum conservation, it would seem that his time would be better spent asking
that additional restrictions—perhaps cutting one fish off the bag limit, or
narrowing the current slot size limit by an inch or two—be placed on the recreational fishery, rather than worrying
about the menhaden fleet which, when all is said and done, kills less than 3
percent of the fish that are removed from Lousiana’s red drum
population each year by its recreational fishermen.
Regardless of how many studies are released, it's unlikely that the menhaden industry and its many antagonists are going to stop taking shots at each other any time soon.
But, thanks to the Louisiana Department of Wildlife and
Fish and the study that it commissioned, we finally have some good science
that provides an objective look at reduction fleet bycatch, which should allow
regulators to cut through the noise and adopt regulations based on fact, and
not someone’s fancy.