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Some male octopuses tend to get eaten by their sexual partners, but male blue-lined octopuses avoid this fate with help from ...

Image Credit: EVGEIIA / Shutterstock A recent review article published in the journal Toxins explored the diversity of venom delivery systems among plants, animals, fungi, protists, viruses ...

Scientists have found that male blue-lined octopuses inject venom and paralyse females during sex to avoid being killed and ...

Scientists observed male blue-lined octopuses injecting tetrodotoxin into females, which rendered them immobile for mating ...

Male blue-lined octopuses inject females with venom during mating to avoid being eaten by their partners, observations suggest 1. Blue-lined octopuses ( Hapalochlaena fasciata) have paralysing venom ...

Now, researchers studying the octopuses have learned that not only do male blue-lined octopuses use their venom against enemies, but also against members of their own species — cannibalistic females.

"Mating ended when the females regained control of their arms and pushed the males off," the researchers noted.