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Wild Fish, Whales and Sea Turtles Could Pay the Price for Rushed Offshore Aquaculture

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Sponsor: Free The Ocean

NOAA is deciding right now where to put industrial fish farms in U.S. waters — and the science review can't come after the damage.

A worker in red rubber gloves and green overalls lifts a wire-framed net teeming with thrashing fish at an aquaculture facility.

The federal government is moving forward with plans to designate new Aquaculture Opportunity Areas in U.S. federal waters — zones where industrial-scale fish farms could operate miles offshore. The goal is more domestic seafood, less pressure on wild stocks, greater food security. Those are real and worthy aims. But the environmental record of large-scale marine fish farming raises hard questions that demand independent answers before permits are issued.

What Goes Into the Water Doesn't Stay Put

Industrial net pens pack thousands of fish into a confined space. Waste, uneaten feed, antibiotics, and pesticides sink to the seafloor and spread into surrounding water. This nutrient loading depletes oxygen and degrades benthic habitat — the seafloor communities that anchor broader marine ecosystems.1 The same analysis raised concerns about antibiotic resistance spreading beyond the farms themselves into the wider marine environment.1

Escapes Happen — and They Have Consequences

Farmed fish breach net pens during storms, through equipment failures, and during routine handling. These animals are often selectively bred and genetically distinct from wild populations. When they escape and interbreed with native fish, they can weaken wild gene pools over generations and compete directly for food and habitat.

The promise that aquaculture relieves pressure on wild fisheries also breaks down under scrutiny. Many farmed carnivorous species — salmon, tuna, cod — are fed fish meal and fish oil made from wild-caught forage fish. Harvesting those small schooling fish at industrial scale removes a critical link from the food web that marine mammals, seabirds, and larger predators all depend on.2

Empty on a Map Doesn't Mean Empty

Offshore areas that appear open often overlay critical migration and feeding corridors for whales, sea turtles, and other protected species. Anchoring systems, mooring lines, and operational noise introduce hazards that maps don't capture. Net pens can also alter local current patterns, affecting water quality and sediment dynamics well beyond the farm's physical footprint.

Coastal fishing communities — families who have worked these waters for generations — face economic and cultural disruption when large-scale offshore operations compete for space and degrade the water quality their livelihoods depend on.

Get the Science Right Before the Damage Is Done

NOAA is deciding right now where these Aquaculture Opportunity Areas will go. That decision will shape the health of U.S. ocean ecosystems for decades. New areas must be sited only where rigorous, independent environmental analysis shows that industrial fish farming will not threaten wild fish populations, marine mammals, water quality, sensitive habitat, or the coastal communities tied to healthy oceans.

Sign the petition today and tell NOAA: independent environmental review must come before permits are granted — not after the damage is done.

More on this issue:

  1. Rebecca J. Goldburg, Matthew S. Elliott, and Rosamond L. Naylor, Pew Oceans Commission / Stanford University Center on Food Security and the Environment (FSE) (2001), "Marine Aquaculture in the United States: Environmental Impacts and Policy Options."
  2. Staff/Student Contributor (uncredited), Bow Seat Ocean Awareness Programs (3 March 2020), "False Salvation: The Truth About Global Marine Aquaculture."

The Petition

To the Administrator of the National Oceanic and Atmospheric AdministrationUnited States Department of Commerce,

I am writing to urge NOAA to ensure that any new Aquaculture Opportunity Areas designated in U.S. federal waters are sited only where rigorous, independent environmental analysis confirms that industrial-scale fish farming will not harm wild fish populations, marine mammals, water quality, sensitive habitat, or the coastal communities whose lives and livelihoods are tied to healthy oceans.

The federal push to expand offshore aquaculture comes with real promises — more domestic seafood, less pressure on overfished stocks, greater food security. Those are worthy goals. But the environmental record of large-scale marine fish farming demands that we proceed with eyes open, not with optimism substituting for science.

Industrial net pens concentrate thousands of fish in a small space. Waste, uneaten feed, antibiotics, and pesticides accumulate on the seafloor below and disperse into surrounding waters, depleting oxygen and degrading the benthic communities that anchor broader marine ecosystems. Research from the Pew Oceans Commission and Stanford University's Center on Food Security and the Environment has documented these effects, including concerns about antibiotic resistance spreading beyond the farms themselves.

Escapes from net pens happen regularly — through storms, equipment failures, and routine handling. Farmed fish, often selectively bred and genetically distinct from wild populations, interbreed with native stocks when they get out, weakening wild gene pools over time and competing directly for food and habitat. And many farmed carnivorous species are fed fish meal and fish oil derived from wild-caught forage fish — the small schooling fish that whales, seabirds, and larger predators all depend on. The promise of relieving pressure on wild fisheries can easily become the opposite.

Offshore areas that look empty on a map frequently overlay critical whale and sea turtle migration corridors. Anchoring systems, mooring lines, and operational noise introduce real hazards for protected species. Coastal fishing families who have worked these grounds for generations deserve a voice in decisions that could fundamentally alter the waters they depend on.

NOAA has an opportunity to get this right by demanding independent environmental review before permits are granted, not after damage has been done. Requiring that standard now — and holding firm on it — will protect the ocean ecosystems, the wild species, and the human communities that all share these waters, ensuring a better future for all.

Sincerely,

DEV MODE ACTIVE. BRAND: gg