Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. CNN values your feedback 1.

Blue-lined octopuses — which can grow to about 1.77 inches, about the same size as a golf ball — are known to be one of the most dangerous animals in the sea because of the venom.

A male blue-lined octopus mounts a female during mating and injects venom into her body. WEN-SUNG CHUNG. During mating, some male octopuses inject females with their potent venom to paralyse them ...

A male blue-lined octopus often becomes their partner's meal after mating but the University of Queensland's Fabio Cortesi tells NPR's Ayesha Rascoe some males have found a way to survive.

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Since male blue-lined octopuses mate just once in their lifetimes, it’s not entirely clear what they stand to gain, evolutionarily speaking, by using the toxin to avoid being eaten.

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. The males have evolved to use a venom called ...