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Adult squid in the Pterygioteuthis genera lack hooks on their tentacular clubs, but do have some hooks on the arms. Male squid have a specialized arm used to transfer sperm to females called hectocotyli. Females do not have suckers on their ventral arms and only have one oviduct developed. [4]
Histioteuthis heteropsis, known as the strawberry squid, is a species of small cock-eyed squid. [2] The scientific nomenclature of these squid stems from their set of differently sized eyes, one being small and blue and the other being large and yellow.
The giant squid is widespread, occurring in all of the world's oceans. It is usually found near continental and island slopes from the North Atlantic Ocean, especially Newfoundland, Norway, the northern British Isles, Spain and the oceanic islands of the Azores and Madeira, to the South Atlantic around southern Africa, the North Pacific around Japan, and the southwestern Pacific around New ...
Squids do not have the longitudinal muscles that octopus do. Instead, they have a tunic. [81] This tunic is made of layers of collagen and it surrounds the top and the bottom of the mantle. Because they are made of collagen and not muscle, the tunics are rigid bodies that are much stronger than the muscle counterparts.
Glass squids have tiny pigment-filled sacs, called chromatophores, that cover their entire body. These are pigment-changing skin cells, and it’s the same thing octopuses use to change color.
Idiosepiidae have an Indo-west Pacific distribution, from South Africa in the west to Japan and Russia in the east. [3] They appear to be short-lived and have multiple generations per year. In temperate climates their population declines at the end of the warm season. [8] They generally live in shallow water among seagrass and mangroves.
The image was published in the 1993 book European Seashells by Guido T. Poppe and Goto Yoshihiro, where it was identified as Architeuthis dux, the giant squid, and said to have been taken in the North Atlantic. [12] [clarification needed] If true, this image would represent the earliest known photograph of a live giant squid. [11]
Gender identity (despite what the gender binary suggests) does not have to match one's sex assigned at birth, and it can be fluid rather than fixed and change over time.