Fisheries News

November 20, 2024

Top Headlines

New Model Can Help Understand Coexistence in Nature

Nov. 18, 2024 — Different species of seabirds can coexist on small, isolated islands despite eating the same kind of fish. A researcher has been involved in developing a mathematical model that can be used to better understand how this ecosystem ...

Decline in West African Coastal Fish Stocks Threatens Food Security and Livelihoods

Nov. 16, 2024 — Fish stocks along the West African coast have declined significantly over the past five decades, threatening food security and the livelihoods of the fishing communities that depend on them, ...

Oceanographers Record the Largest Predation Event Ever Observed in the Ocean

Oct. 29, 2024 — In the largest predation event ever recorded, researchers observed capelin shoaling off the coast of Norway, where a swarm of cod overtook them, consuming over 10 million fish in a few hours. The ...

A Natural Climate Change Laboratory in Japan Reveals the Adaptation Dynamics of Fishers

Oct. 25, 2024 — A new scientific study reveals the complex relationship between the impacts of climate change and the adaptive responses of coastal fishers in the southern coasts of ...

Latest Headlines

updated 11:14pm EST

Invasive Silver Carp Reduce Movement in Chicago-Area Water

Oct. 25, 2024 — Invasive silver carp have been spreading throughout the Mississippi River Basin since their introduction a half-century ago. Yet, try as they might, the fish have not advanced beyond a particular ...

Researchers Use the Sounds of Healthy Coral Reefs to Encourage Growth of a New Species of Coral Larvae

Oct. 23, 2024 — Healthy coral reefs echo with a chorus of grunts and purrs from fish feeding, looking for mates, or defending their territories, underscored by the ...

Invasive Flathead Catfish Impacting Susquehanna's Food Chain

Oct. 22, 2024 — Flathead catfish -- native to the Mississippi River basin -- were first detected in the Susquehanna River in Pennsylvania in 2002, according to the U.S. Geological Survey. In the two decades since ...

Aquaculture Uses Far More Wild Fish Than Previously Estimated, Study Finds

Oct. 17, 2024 — A study suggests that global fish farming, or aquaculture, may rely on significantly larger quantities of wild-caught ocean fish than previously calculated. The study is part of a special issue ...

Creating a Spatial Map of the Sea: New Research Visualizes How Fishing Communities Can Change Fishing Habits to Adapt to Climate Change

Oct. 21, 2024 — In a massive research project spanning five years and stretching the length of the Northeast seaboard, scientists have created a spatial map of the ...

Better Ocean Connectivity Boosts Reef Fish Populations

Oct. 18, 2024 — A new study has found that oceanographic connectivity (the movement and exchange of water between different parts of the ocean) is a key influence for fish abundance across the Western Indian Ocean ...

Concerning Levels of PFAS in Fish Miles Away from Large Contamination Source

Oct. 17, 2024 — Fish can accumulate high levels of per- and polyfluoroalkyl substances (PFAS), even far from sources of contamination, according to a new study. The ...

The Bright and Dark Sides of Pacific Salmon Biotransport

Oct. 9, 2024 — Each year millions of Pacific salmon make a grand journey from the ocean to their freshwater spawning grounds at the end of their life cycles. This migration has rippling effects through food webs ...

Plenty More Fish in the Sea? Environmental Protections Account for Around 10 Percent of Fish Stocks on Coral Reefs

Oct. 7, 2024 — New research shows that international conservation efforts account for approximately 10 percent of fish stocks on coral ...

Oyster Reefs Once Thrived Along Europe's Coasts -- Now They're Gone

Oct. 3, 2024 — Oysters once formed extensive reefs along much of Europe's coastline -- but these complex ecosystems were destroyed over a century ago, new research ...

These Fish Use Legs to Taste the Seafloor

Sep. 26, 2024 — Sea robins are unusual animals with the body of a fish, wings of a bird, and walking legs of a crab. Now, researchers show that the legs of the sea robin aren't just used for walking. In fact, ...

Humbug Damselfish Use 'Motion Dazzle' to Evade Predators

Sep. 25, 2024 — New research reveals how small coral-reef dwelling humbug damselfish use 'motion dazzle' and adaptive behaviors to confuse potential ...

Leading Scientists Redefine 'Sustainability' to Save the Ocean and Feed a Hungry and Warming Planet

Sep. 23, 2024 — Top ocean experts have published a report that redefines the concept of 'sustainable fishing' and proposes 11 'golden rules' that radically challenge the flawed approach that ...

All-Night Lights Change the Behavior of Fish, Even Into the Next Generation

Sep. 23, 2024 — Scientists have shown that light pollution -- especially light in the blue spectrum -- can alter the behavior of fish after only a few nights, and have knock-on effects for their ...

Researchers Publish Breakthrough Study on How New Genes Evolve

Sep. 19, 2024 — Findings suggest that new genes can form by repurposing fragments of ancestral genes while incorporating entirely new coding regions (the protein-coding parts of the DNA). This innovative concept ...

What's for Dinner? Scientists Unearth Key Clues to Cuisine of Resident Killer Whales

Sep. 19, 2024 — Scientists have discovered the cuisine preferences of two resident killer whale populations, also known as orcas: the Alaska residents and the southern residents, which reside primarily in the Salish ...

New 'Grumpy' Fish Species Discovered in the Red Sea

Sep. 16, 2024 — Scientists have discovered a new species of fish, the 'grumpy dwarfgoby'. Found among coral reefs in the Red Sea, it has large canines and a fierce expression, even though it is only 2 cm ...

New Fossil Fish Species Scales Up Evidence of Earth's Evolutionary March

Sep. 12, 2024 — Climate change and asteroids are linked with animal origin and extinction -- and plate tectonics also seems to play a key evolutionary role, 'groundbreaking' new fossil research reveals. ...

Zebrafish 'Taste' Oxygen: A Breakthrough in Respiratory Biology

Sep. 12, 2024 — A research team has found a link between taste and breathing in fish. This discovery may help us better understand how fish perceive and respond to changes in their ...

Mirror, Mirror, in My Tank, Who's the Biggest Fish of All?

Sep. 11, 2024 — Researchers have demonstrated that bluestreak cleaner wrasse (Labroides dimidiatus) checked their body size in a mirror before choosing whether to attack fish that were slightly larger or smaller ...

Due to Humans, Salish Sea Waters Are Too Noisy for Resident Orcas to Hunt Successfully

Sep. 10, 2024 — New research has revealed how underwater noise produced by humans may help explain why southern resident orca populations have not recovered from historic lows. The team reports that underwater noise ...

Surprising Hormone-Related Gene Activity Discovered in the Early Larval Stage of the Malabar Grouper

Sep. 10, 2024 — Researchers have highlighted patterns of gene activation during Malabar grouper larval development, revealing an unusual early peak of activation of thyroid and corticoid genes during the early ...

How Japanese Eels Escape from Their Predator's Stomach

Sep. 9, 2024 — Many prey species have defensive tactics to escape being eaten by their would-be predators. But a new study has taken it to another level by offering the first video evidence of juvenile Japanese ...

Regulatory Gene Influences Shape Recognition in Medaka Fish

Sep. 5, 2024 — Medaka fish that lacked functional Hmgn2 genes were unable to distinguish between simple shapes, revealing a new function for the regulatory ...

How Fish Guts Might Play a Role in Future Skin Care Products

Sep. 5, 2024 — There are some pretty strange ingredients in cosmetics and skin care products. One example is snail mucin -- also known as snail slime -- which is used for its moisturizing and antioxidant ...

50-Year Generation Gap in Minnesota's Longest-Lived Fish

Sep. 3, 2024 — The bigmouth buffalo is a fish that's native to Minnesota and known for its longevity. Researchers wanted to find out more about the species, especially how they migrate, spawn, and how often ...

Number of Fish Species at Risk of Extinction Fivefold Higher Than Previous Estimates, According to a New Prediction

Aug. 29, 2024 — Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up fivefold from the International Union for Conservation of Nature's prior estimate of 2.5%. Their ...

Pollution Affect the Growth and Behavior of Aquatic Organisms

Aug. 28, 2024 — New research reveals that size-based selection, like in fishing, may impact the stress tolerance of fish, which in turn has a significant impact on the condition and coping of fish in changing ...

Fisheries Research Overestimates Fish Stocks

Aug. 22, 2024 — The state of fish stocks in the world's ocean is worse than previously thought. While overfishing has long been blamed on fisheries policies that set catch limits higher than scientific ...

How 'Winner and Loser Effects' Impact Social Rank in Animals -- And Humans

Aug. 19, 2024 — A new article provides a narrative review of the relevant similarities and distinctions between nonhumans and humans to assess the causes and consequences of winner and loser effects in ...