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Life

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

The ability to warm up parts of their body may help basking sharks migrate long distances and overcome drag when they are feeding

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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

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Life

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

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A zebrafish

Life

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

Life

Skates evolved their undulating wings thanks to genome origami

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Seahorses use a spring motion to quickly capture their food

Life

Seahorses have a super strong gulp thanks to two spring-like tendons

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Life

Broad-nosed ancient shark was one of earliest fish to smell in stereo

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Life

How hagfish slime gets its incredible clogging ability

Fibrous protein threads hold together the mucus in hagfish slime, giving it up to 1000 times the clogging power of common thickeners like xanthan gum when dissolved in water

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Life

Zebrafish seem to be able to count when they are just four days old

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Life

Algae-farming fish help coral reefs bounce back from bleaching events

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Life

Ghost catfish get their rainbow iridescence from transparent muscles

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Life

Influenza viruses may have originated in fish 600 million years ago

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