Male octopus injects female with venom

This male octopus poisons the female during mating 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.
Highly venomous male octopuses poison females before sex — to avoid being eaten after mating, scientists say
Scientists have discovered that mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into the hearts of female octopuses — to avoid being eaten by them when the sea deed is done. Females are typically twice the size of males and will commonly chow down on their sexual partners after coitus.
Male octopus injects female with venom during sex to avoid being eaten
Some male octopuses tend to get eaten by their sexual partners, but male blue-lined octopuses avoid this fate with help from one of nature’s most potent venoms
Electric blue octopuses use potent venom to get females to mate — and not eat them
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.
Venomous love: These male octopuses inject venom into females so they can escape being eaten
In the perilous world of cephalopod romance, male blue-lined octopuses have evolved a shocking strategy to survive mating.
These Male Octopuses Use Venom to Subdue Female Mates—and Avoid Being Eaten After Sex
Scientists observed male blue-lined octopuses injecting tetrodotoxin into females, which rendered them immobile for mating
Male blue-lined octopuses immobilize partners with venom before mating
Male blue-lined octopuses immobilize partners with venom before mating In the animal world, survival often involves strategies that are as ingenious as they are unexpected. Female blue-lined octopuses are much larger than the males.
Revealed: the toxic sex life of the blue-lined octopus
Male blue-lined octopuses inject females with venom to paralyse them before mating and avoid being eaten after sex.
To Avoid Becoming a Meal, These Male Octopuses Sedate Their Mates
Learn more about the mating of blue-lined octopuses - a treacherous ordeal involving sex, cannibalism, and sedation.
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Octopuses Use Venom for Safe Sex, Biologists Reveal
"Mating ended when the females regained control of their arms and pushed the males off," the researchers noted.
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