Environment | The Guardian

Male blue-lined octopuses inject females with venom during sex to avoid being eaten, study shows

Tetrodotoxin immobilises the female – who is about two to five times bigger than the male – so mating can occur, researchers observedFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastMale blue-lined octopuses inject females with venom during sex, paralysing their larger mates to avoid being eaten, new research has found.The blue-lined octopus is a tiny, highly dangerous cephalopod found commonly in shallow reefs and tide pools. Continue reading...

Mar 11, 2025 - 09:26
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Male blue-lined octopuses inject females with venom during sex to avoid being eaten, study shows

Tetrodotoxin immobilises the female – who is about two to five times bigger than the male – so mating can occur, researchers observed

Male blue-lined octopuses inject females with venom during sex, paralysing their larger mates to avoid being eaten, new research has found.

The blue-lined octopus is a tiny, highly dangerous cephalopod found commonly in shallow reefs and tide pools. Continue reading...

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