Fisheries News

June 2, 2024

Top Headlines

Trout in Mine-Polluted Rivers Are Genetically 'Isolated'

May 30, 2024 — Trout living in rivers polluted by metal from old mines across the British Isles are genetically 'isolated' from other trout, new research ...

Marine Protected Areas Don't Line Up With Core Habitats of Rare Migratory Fish, Finds New Research

May 29, 2024 — 62% of Marine Protected Areas (MPAs) designated to protect rare migratory fish species are outside of their core habitats, according to a new modeling ...

Finding the Beat of Collective Animal Motion

May 23, 2024 — Virtual Reality experiments have illuminated the rhythmic glue that could keep animals moving in ...

Constantly on the Hunt for Food: Harbor Porpoises More Vulnerable Than Previously Thought

May 23, 2024 — Constantly on the hunt for food: Harbor porpoises more vulnerable than previously thought to the disturbances from humans. The small whales spend more than 60 percent of their day hunting small fish ...

Latest Headlines

updated 8:28pm EDT

Cloudy Waters Causes African Fish to Develop Bigger Eyes

May 20, 2024 — Variations in water quality can impact the development of the visual system of one species of African fish, suggests a new ...

Killer Whales Breathe Just Once Between Dives, Study Confirms

May 15, 2024 — A new study has confirmed a long-held assumption: that orcas take just one breath between dives. The researchers used drone footage and biological data from tags suction-cupped to 11 northern and ...

Scientists Find Ancient, Endangered Lamprey Fish in Queensland, 1400 Km North of Its Previous Known Range

May 8, 2024 — Scientists have confirmed the identity of an unusual, ancient and Endangered species of fish that is living in the coastal rivers of Queensland, ...

DDT Pollutants Found in Deep Sea Fish Off Los Angeles Coast

May 6, 2024 — As the region reckons with its toxic history of offshore dumping off the California coast, new findings raise troubling questions about whether the banned pesticide remains a threat to wildlife and ...

Stony Coral Tissue Loss Disease Is Shifting the Ecological Balance of Caribbean Reefs

May 3, 2024 — A new study shows stony coral tissue loss disease is causing drastic changes in the Caribbean's population of corals, which is sure to disrupt the ...

These Giant, Prehistoric Salmon Had Tusk-Like Teeth

Apr. 24, 2024 — Oncorhynchus rastrosus, a giant species of salmon that lived in the North American Pacific Northwest a few million years ago, sported a pair of front teeth that projected out from the sides of its ...

Fixin' to Be Flexitarian: Scrap Fish and Invasive Species Can Liven Up Vegetables

Apr. 29, 2024 — Greening the way we eat needn't mean going vegetarian. A healthy, more realistic solution is to adopt a flexitarian diet where seafoods add umami to ...

Could Fishponds Help With Hawaii's Food Sustainability?

Apr. 26, 2024 — Indigenous aquaculture systems in Hawaii, known as loko i'a or fishponds, can increase the amount of fish and fisheries harvested both inside and outside of the pond. Today, aquaculture supplies less ...

Scientists Replace Fishmeal in Aquaculture With Microbial Protein Derived from Soybean Processing Wastewater

Apr. 25, 2024 — Scientists have successfully replaced half of the fishmeal protein in the diets of farmed Asian seabass with a 'single cell protein' cultivated from ...

Herring Arrives Earlier in the Wadden Sea Due to Climate Change

Apr. 25, 2024 — Due to the changing climate, young herring arrive in the Wadden Sea earlier and earlier in ...

Tropical Fish Are Invading Australian Ocean Water

Apr. 23, 2024 — A study of shallow-water fish communities on rocky reefs in south-eastern Australia has found climate change is helping tropical fish species invade temperate Australian ...

Helping Migrating Salmon Survive Mortality Hot-Spot

Apr. 19, 2024 — Researchers used acoustic telemetry to tag and track coho on their ...

Why Can Zebrafish Regenerate Damaged Heart Tissue, While Other Fish Species Cannot?

Apr. 18, 2024 — A heart attack will leave a permanent scar on a human heart, yet other animals, including zebrafish, can clear cardiac scar tissue and regrow damaged muscle as adults. Biologists sheds new light on ...

Fourteen Years After the Gulf of Mexico Oil Spill, Endemic Fishes Face an Uncertain Future

Apr. 18, 2024 — The 2010 Gulf of Mexico Deepwater Horizon oil spill, the largest accidental spill in history, released almost 100 million gallons of oil, causing significant pollution. A decade later, its long-term ...

Reproductive Success Improves After a Single Generation in the Wild for Descendants of Some Hatchery-Origin Chinook Salmon

Apr. 16, 2024 — Researchers who created 'family trees' for nearly 10,000 fish found that first-generation, wild-born descendants of hatchery-origin Chinook salmon in an Oregon river show improved ...

Huge Database Gives Insight Into Salmon Patterns at Sea

Apr. 16, 2024 — A massive new analysis of high seas salmon surveys is enhancing the understanding of salmon ecology, adding details about where various species congregate in the North Pacific Ocean and their ...

PFAS Exposure from High Seafood Diets May Be Underestimated

Apr. 12, 2024 — A study suggests that people with diets high in seafood may face a greater risk of exposure to PFAS -- the family of human-made toxins known as 'forever chemicals' -- than previously ...

What's Quieter Than a Fish? A School of Them

Apr. 9, 2024 — Swimming in schools makes fish surprisingly stealthy underwater, with a group able to sound like a single fish. Engineers working with a high-tech simulation of schooling mackerel offer new insight ...

Impact of Climate Change on Marine Life Much Bigger Than Previously Known

Apr. 9, 2024 — Fish and invertebrate animals are far more affected by warmer and more acidic seawater than was previously known. The big gain of the new method is that more details become known about effects of ...

In the Evolution of Walking, the Hip Bone Connected to the Rib Bones

Apr. 5, 2024 — A new reconstruction of the 375-million-year-old fossil fish Tiktaalik -- a close relative of limbed vertebrates -- used micro-CT to reveal bones still embedded in matrix. The reconstruction shows ...

eDNA Methods Give a Real-Time Look at Coral Reef Health

Apr. 5, 2024 — The study underscores the crucial role of microbes in maintaining coral reef health, akin to the human gut microbiome. Hurricanes and disease outbreaks affect coral reef water microbial communities, ...

What Four Decades of Canned Salmon Reveal About Marine Food Webs

Apr. 4, 2024 — Researchers have shown that levels of anisakid worms -- a common marine parasite -- rose in two salmon species in the Gulf of Alaska and Bristol Bay over a 42-year period. The team discovered this by ...

Adult Fish Struggle to Bounce Back in Marine Protected Areas

Apr. 4, 2024 — Many marine protected areas are falling short of their most basic purpose: to rebuild struggling fish populations. In a new study, scientists looked at the age breakdown of reef fish in marine ...

Fish Species That Move Rapidly Toward the Poles Due to Global Warming Decline in Abundance, Study Finds

Apr. 4, 2024 — A new study has found a decline in the abundance of marine fish species that move rapidly toward the poles to escape rising sea temperatures. The researchers explain that many animal species are ...

Scientists Warn: The Grey Seal Hunt Is Too Large

Mar. 27, 2024 — Researchers warn that today's hunting quotas of about 3,000 animals pose a risk to the long-term survival of the grey seal in the Baltic Sea. The conclusions of this new study are based on ...

How Many Fish Constitute a School?

Mar. 25, 2024 — Physicists are also interested in fish -- above all when they are researching the formation of structures. A research team has examined the schooling behavior of zebra danio (Danio rerio, also known ...

Entanglements of Humpback Whales in Fish Farms Rare -- And Naivety Could Be to Blame

Mar. 21, 2024 — The first study of humpback whale entanglements in B.C. aquaculture facilities found eight over 13 years, with the curiosity of young whales a potential contributing ...

Fish Fed to Farmed Salmon Should Be Part of Our Diet, Too, Study Suggests

Mar. 20, 2024 — Scientists found that farmed salmon production leads to an overall loss of essential dietary nutrients. They say that eating more wild 'feed' species directly could benefit our health while ...

Diverse Habitats Help Salmon Weather Unpredictable Climate Changes

Mar. 14, 2024 — Restored salmon habitat should resemble financial portfolios, offering fish diverse options for feeding and survival so that they can weather various conditions as the climate changes, a new study ...

Sleep-Wake Rhythm: Fish Change Our Understanding of Sleep Regulation

Mar. 14, 2024 — Researchers have discovered that some fish -- unlike humans -- do not need orexin to stay awake. This molecule was thought to be necessary for normal wake and sleep rhythms in vertebrates. Humans ...