Blanket octopus
Videos
Tremoctopus is a genus of pelagic cephalopods, containing four species that occupy surface to mid-waters in subtropical and tropical oceans. They are commonly known as blanket octopuses, in reference
Pelagic octopus Tremoctopus
Tremoctopus gracilis lower beak
Tremoctopus gracilis upper beak
Hectocotylus
Videos
A hectocotylus is one of the arms of male cephalopods that is specialized to store and transfer spermatophores to the female. Structurally, hectocotyli are muscular hydrostats. Depending on the specie
Blanket octopus
…larger when threatened, deterring potential predators. Male blanket octopuses have a large arm in a spherical pouch modified for mating, known as a hectocotylus. During mating, this arm is detached, and kept by the female in her mantle cavity until used for fertilisation. The male almost certainly dies shortly…
Georges Cuvier's original illustration of an octopus hectocotylus. Mistaking it for its own separate organism, he named it Hectocotyle octopodis.
Squid
Octopod
Abraliopsis morisi hectocotylus English