Aquaculture & Fisheries

Overfishing of Atlantic Striped Bass Prompts Action


Steve Brustein of West Warwick, R.I., with a Block Island striped bass caught on the Southwest Ledge. (R.I. Saltwater Anglers Association)

A new assessment has revealed that striped bass off the Atlantic Coast are being depleted faster than they can replenish, and have been since 2013.

In response, the Atlantic States Marine Fisheries Commission in August issued a collection of possible management options for recreational and commercial fishing, with the goal of reducing the rate of Atlantic striped bass killed by fishing to 18 percent less than the 2017 rate by 2020.

This isn’t the first time striped bass have stared the Grim Reaper in his piscine eyes. Back in the 1980s, the population of striped bass that the Atlantic States Marine Fisheries Commission manages — which ply the coastal waters between North Carolina and Maine in search of menhaden, a type of herring — declined so drastically that the commission called a complete moratorium on striped bass fishing.

It worked. By 1995, the population had climbed to record levels. That year 540,000 fish were caught commercially, a sharp increase from the 272,000 caught in 1983. A New York Times article from June of that year jubilantly announced the fish’s “comeback.” With the population restored, restrictions were lifted, and the fish’s numbers remained relatively stable.

To keep tabs on the health of a fish population, biologists check two key indicators. One is the rate of death due to fishing, known as fishing mortality, and the other is the combined weight of all females in a population capable of spawning, known as spawning stock biomass — so, one indicator to judge rate of death and another to judge the potential for birth. After 1995, the death indicator hovered just around the threshold of concern, while the birth indicator was steadily worsening, it didn’t yet trip the worry-wire.

Then, in 2013, the mortality rate exceeded the level of concern, leading the Atlantic States Marine Fisheries Commission two years later to decrease the number of fish anglers could take per day from two to one. But it wasn’t until 2018, when the model that biologists use to determine the health of fish populations, the Marine Recreational Information Program, was recalibrated that a startling discovery was revealed.

The most recent data showed that the spawning stock biomass was only 151 million pounds in 2017, far below the newer, higher threshold of 202 million pounds.

“Previously, we thought we were actually above the threshold and now we add in these new numbers, we run the model and we found out wow, we’re not only below [the threshold] but we’ve been below it for five years,” said Nicole Lengyel Costa, biologist for the Rhode Island Department of Environmental Management’s Division of Marine Fisheries.

This has prompted the Atlantic States Marine Fisheries Commission to propose Draft Addendum VI, a set of management options designed to protect the population. One way to do this could be to decrease the number of dead releases by tackling the types of hooks that cause them.

Currently, anglers are allowed to take one fish of a minimum length of 28 inches per day. Quite often, though, the first, second, or third catch is too small to be legal, so the angler throws it back. Of the released striped bass, which the Atlantic States Marine Fisheries Commission estimates this to be 9 percent of all striped bass caught, most don’t actually rejoin the population. They die. In fact, in 2017, 91 percent of releases were dead.

“There are more fish that die that way than anglers taking them out of the water bringing them home to eat,” said Dave Monti, second vice president of the Rhode Island Saltwater Anglers Association and charter boat captain who takes anglers out into Narragansett Bay to fish for striped bass in the spring.

“That’s how dramatic it is,” he said.

Dead releases mainly occur when a fish is hooked not in the mouth but in an internal organ as a result of swallowing the hook. This is why the Atlantic States Marine Fisheries Commission hopes to steer anglers away from using the more easily swallowed J-hooks and toward using circle hooks, which are more likely to puncture a fish in the mouth, not the gut.

This provision, plus other options to decrease the mortality rate of striped bass, including increasing the minimum size allowance or restricting the fish anglers can keep to within a particular size range, are outlined in Draft Addendum VI.

The public comment period for this addendum closes Oct. 7. The Striped Bass Management Board will then consider the public comments and is scheduled to meet Oct. 30 to select which management options to implement.

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  1. I think theres a mix up of facts here. Regarding the proposition that 91% of all released striped bass die. This is false. It is estimated that 9% of all released striped bass die. Recreational anglers release 90% of their catch. This comes directly from ASMFC.

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