Electric fish ignore their own zaps with a cool trick

Electric fish use zaps to communicate but all that zapping can get confusing. When they sense their own signal, a brain function says, "Ignore it."

Talia Ogliore-WUSTL • futurity
Aug. 25, 2020 ~6 min

Tags: electricity fish brains communication science-and-technology

Stealthy, ultra-black fish skin absorbs 99.5% of light

Sixteen species of camouflaged deep-sea fish have skin so dark that almost no light bounces back to the eye.

Robin Smith-Duke • futurity
Aug. 4, 2020 ~6 min

Tags: evolution fish skin light oceans colors science-and-technology camouflage

Stealthy, ultra-black fish skin absorbs 99.5% of light

Sixteen species of camouflaged deep-sea fish have skin so dark that almost no light bounces back to the eye.

Robin Smith-Duke • futurity
Aug. 4, 2020 ~6 min

Tags: evolution fish skin light oceans colors science-and-technology camouflage

Odd immune system lets anglerfishes fuse males to females

Among deep-sea anglerfishes, tiny males permanently attack to relatively gigantic females. New understanding of this process could benefit human health.

U. Washington • futurity
Aug. 3, 2020 ~8 min

Tags: reproduction fish genomes science-and-technology health-and-medicine sexes immune-systems

FDA and consumers might go for ‘cell-based seafood’ label

New research identifies a possible terms for food made from the cells of fish or shellfish, rather than whole animals: cell-based seafood.

Todd Bates-Rutgers • futurity
July 29, 2020 ~6 min

Tags: sustainability food fish marketing meat consumers society-and-culture earth-and-environment

Carbon dioxide threatens life in the Gulf of Mexico

Rising levels of carbon dioxide in the Gulf of Mexico are putting commercial fishing and marine life at risk, researchers warn.

Keith Randall-Texas A&M • futurity
July 27, 2020 ~6 min

Tags: conservation water fish carbon-dioxide fishing oceans gulf-of-mexico earth-and-environment

Sharks are disappearing from the world’s oceans

A new study of shark populations in 58 countries around the world detected none in almost 20% of the locations surveyed.

Keith Randall-Texas A&M • futurity
July 23, 2020 ~5 min

Tags: conservation fish sharks fishing coral-reefs oceans endangered-species earth-and-environment

Wildly thin histamine sensors spot fish gone foul

"This histamine sensor is not only for fish. Bacteria in food produce histamine. So it can be a good indicator of the shelf life of food."

Mike Krapfl-Iowa State • futurity
June 29, 2020 ~6 min

Tags: graphene food fish sensors health-and-medicine

Giant armored fish moseyed with its mouth open

The jaws of the ancient giant Titanichthys, an armored fish, suggest how it gathered food.

U. Zurich • futurity
May 21, 2020 ~6 min

Tags: food fish fossils oceans science-and-technology mouth

Database tracks climate change’s toll on fish

A new database will help track the impacts of climate change on fish living in rivers, lakes, and other inland waters throughout the world.

Charlotte Hsu-Buffalo • futurity
April 24, 2020 ~5 min

Tags: climate-change fish earth-and-environment freshwater

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