Cephalopods, which include squids and octopuses, vary enormously in size. The smallest are only about 1 centimetre (0.39 in) long and weigh less than 1...

A cephalopod /ˈsɛfələpɒd/ is any member of the molluscan class Cephalopoda /sɛfəˈlɒpədə/ (Greek plural κεφαλόποδες, kephalópodes; "head-feet") such as...

All extant cephalopods have a two-part beak, or rostrum, situated in the buccal mass and surrounded by the muscular head appendages. The dorsal (upper)...

ναυτίλος nautílos 'sailor') is an ancient pelagic marine mollusc of the cephalopod family Nautilidae. The nautilus is the sole extant family of the superfamily...

Cephalopod ink is a dark-coloured or luminous ink released into water by most species of cephalopod, usually as an escape mechanism. All cephalopods, with...

abyssicola, in which case M. fisheri would become a junior synonym. Cephalopod size Allcock, L.; Barratt, I. (2014). "Megalocranchia fisheri". IUCN Red...

achatina) at up to 1 kg (2.2 lb) and 35 cm (14 in) long. Cephalopods (Cephalopoda) (See Cephalopod size.) While generally much smaller than the giant Architeuthis...

impair normal embryonic development, survival rates or body size. Unlike other cephalopods, cuttlefish possess a unique internal structure called the cuttlebone...

west Pacific. Syntype (86 cm ML) Closeup of the mantle scales Gladius Cephalopod size Barratt, I.; Allcock, L. (2014). "Lepidoteuthis grimaldii". IUCN Red...

Bigfin squids are a group of rarely seen cephalopods with a distinctive morphology. They are placed in the genus Magnapinna and family Magnapinnidae....