Japanese Hooked Squid
Encyclopedia
The Japanese Hooked Squid (Onykia loennbergii) is a species of squid
in the family Onychoteuthidae, named for Swedish zoologist Einar Lönnberg
. It occurs in the Western Pacific Ocean, at an estimated depth of 230–1200 m. The mantle
length is approximately 300 mm. Each tentacular club contains 25 hooks. The arms
are about 60% of the size of the mantle length.
Squid
Squid are cephalopods of the order Teuthida, which comprises around 300 species. Like all other cephalopods, squid have a distinct head, bilateral symmetry, a mantle, and arms. Squid, like cuttlefish, have eight arms arranged in pairs and two, usually longer, tentacles...
in the family Onychoteuthidae, named for Swedish zoologist Einar Lönnberg
Einar Lönnberg
Axel Johann Einar Lönnberg was a Swedish zoologist.Lönnberg was born in Stockholm. He was head of the Vertebrate Department of the Swedish Natural History Museum from 1904 to 1932....
. It occurs in the Western Pacific Ocean, at an estimated depth of 230–1200 m. The mantle
Mantle (mollusc)
The mantle is a significant part of the anatomy of molluscs: it is the dorsal body wall which covers the visceral mass and usually protrudes in the form of flaps well beyond the visceral mass itself.In many, but by no means all, species of molluscs, the epidermis of the mantle secretes...
length is approximately 300 mm. Each tentacular club contains 25 hooks. The arms
Cephalopod arm
A cephalopod arm is distinct from a tentacle, though the terms are often used interchangeably.Generally, cephalopod arms have suckers along most of their length, as opposed to tentacles, which have suckers only near their ends. Octopuses have eight arms and no tentacles, while squid and cuttlefish...
are about 60% of the size of the mantle length.