‘Giant luminous shark’: researchers discover three deep-sea sharks glow in the dark

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Discovery off New Zealand includes kitefin shark, which at up to 180cm is now biggest-known luminous vertebrate

Scientists studying sharks off New Zealand have discovered that three deep-sea species glow in the dark – including one that is now the largest-known luminous vertebrate.

Bioluminescence – the production of visible light through a chemical reaction by living organisms – is a widespread phenomenon among marine life, but this is the first time it has been documented and analysed in the kitefin shark, the blackbelly lanternshark, and the southern lanternshark.

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