Life
Whale shark seen bottom feeding for the first time
An ecotourism guide in Mexico filmed a whale shark gulping down material from the seabed, a behaviour that has never been observed in this species before
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Skates evolved their undulating wings thanks to genome origami
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Seahorses have a super strong gulp thanks to two spring-like tendons
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Broad-nosed ancient shark was one of earliest fish to smell in stereo
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How hagfish slime gets its incredible clogging ability
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Zebrafish seem to be able to count when they are just four days old
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Algae-farming fish help coral reefs bounce back from bleaching events
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Ghost catfish get their rainbow iridescence from transparent muscles
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Influenza viruses may have originated in fish 600 million years ago
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Ancient fish thought to be larger than sharks was actually quite short
Dunkleosteus terrelli was an armoured predator fish with bladed jaws instead of teeth that lived 360 million years ago. Researchers thought it was a 9-metre-long giant but it may have actually have been half that size
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Ghost knifefish make electric ‘chirps’ to spot where other fish are
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Reef fish are more placid around islands infested with invasive rats
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Fish see in the dark thanks to extra layers of rod cells in their eyes
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Fish that keep their young in their mouths sometimes eat them
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