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Fish

Pacific football fish

Life

Unusual anglerfish glows with bioluminescent and fluorescent light

We already knew that anglerfish have light-generating bacteria in their tissues 鈥� now it turns out that one species, the Pacific footballfish, can also glow by fluorescing green

News
SACO, ME - JUNE 10: American Shad swim past the observation window in Brookfield Renewables', Cataract hydro electric station fish passage on the Saco River, in Saco, on Thursday, June 09, 2016. (Photo by Carl D. Walsh/Portland Portland Press Herald via Getty Images)

Life

Swimming in a school may help fish hear dolphins鈥� ultrasound clicks

News
Salmon fish farm in fjord. Norway, Bergen.; Shutterstock ID 1091461793; purchase_order: -; job: -; client: -; other: -

Life

Breeding with farmed fish is changing the life cycle of wild salmon

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robotic fish

Technology

Robotic fish scares invasive species so badly that it cannot breed

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Northern pike / (Esox lucius)

Environment

Freshwater fish can recover from mercury pollution in just a few years

News
Hybrid. Adult fish.

Life

Hybrid salmon found in Canada may be a result of climate change

News

Life

Female seahorses forget their pregnant male partners if separated

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Defecating fish

Environment

A lack of fish faeces is changing the flow of carbon in the ocean

News
Catch of sardines

Environment

Global demand for fish expected to almost double by 2050

News
Bluespotted stingray

Life

Stingrays鈥� bulging eyes and mouths make them much faster swimmers

Stingrays have protruding eyes and mouths, which seem like they would make swimming less efficient, but they actually create vortices that let the rays swim faster

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Life

Some male fish let rivals woo females and then hijack their courtship

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Life

Fish brains grow when they have to think more and shrink if they don’t

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Life

Fish are becoming addicted to methamphetamines seeping into rivers

News

Life

Male seahorses can get pregnant because they lack key immunity genes

News