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fish

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Swimming together lets fish move faster while expending less energy

We have always suspected that fish can make enormous energy savings by swimming in groups, and now we have the proof

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Giant danio (Devario aequipinnatus)

Life

Electric eel zaps can genetically modify other nearby animals

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Life

Pregnant megamouth shark washed up on beach is first ever seen

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A volunteer from the North Atlantic Salmon Fund with one of the escapee salmon

Life

On the hunt for thousands of salmon that escaped Icelandic fish farm

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A chimaera fish

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Fish adapted to the deep sea 80 million years earlier than we thought

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Shad Twaite in the river Severn

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How the Unlocking the Severn project is helping fish return to breed

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A Stoplight parrotfish (Sparisoma viride) and Trumpetfish (Aulostomus maculatus), swimming together, Bonaire, Netherland Antilles, Caribbean

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Small fish hides behind other bigger fish to sneak up on its prey

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Basking sharks are one of the few warm-blooded species of fish

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Environment

Treated sewage released into rivers may hamper eel migrations

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Environment

Mass fish deaths will occur more often in rivers as UK gets hotter

Large numbers of dead fish have been seen in many UK rivers in recent weeks, and researchers warn that climate change will lead to more such events

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Life

Reef sharks are being wiped out by overfishing so rays are taking over

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A zebrafish

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Zebrafish produce sunscreen to protect their embryos from UV light

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Life

Whale shark seen bottom feeding for the first time

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A skate embryo

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Skates evolved their undulating wings thanks to genome origami

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