Octopuses are doomed to be orphans from a very young age. After a female octopus lays her eggs, she stops eating and begins self-mutilating, tearing off her skin and biting off the tips of her tentacles.
This organ is similar to the pituitary organ in humans. It sits between the octopus's eyes and it is linked to sexual development and aging in cephalopods. When it is removed from a female octopus, the creature lives several months after laying her eggs.from two female octopuses in differing stages of decline.
Now, a few years later, some of the same researchers have directly analyzed the molecules secreted from this organ in both mated females and unmated females.After mating, its appears the optic gland really does secrete more sex hormones, insulin-like hormones, and precursors of cholesterol. While the optic gland has previously been linked to the production of sex hormones in cephalopods, the other two pathways have only recently been identified in the"self-destruct" sequence.
"What's striking is that [octopuses] go through this progression of changes where they seem to go crazy right before they die,""Maybe that's two processes, maybe it's three or four. Now, we have at least three apparently independent pathways to steroid hormones that could account for the multiplicity of effects that these animals show."
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