animal aplacophora auricle bbc bathyteuthis bigfin squid biological classification bivalvia bobtail squid boletzkyida bonaire brachioteuthis bush-club squid camera camouflage carboniferous caribbean reef squid cephalopod cephalopod arm cephalopod size chiroteuthidae chitin chromatophore chtenopteryx coleoidea colossal squid commercial fishing cretaceous cuttlefish cycloteuthidae decapodiformes deep frying devonian digital object identifier english language enoploteuthidae european squid fishery fishing industry foot giant squid glacial squid glass squid gonatidae greek language grimaldi scaled squid heart hectocotylus histioteuthis human eye incertae sedis ink sac invertebrate italian cuisine jurassic kidney korean cuisine kraken liver loliginidae lycoteuthidae mastigoteuthis flammea melbourne aquarium muscular hydrostat myopsina neoteuthidae nerve nidamental gland octopodiformes octopoteuthidae octopus oegopsina ommastrephidae ordovician ovary parateuthis tunicata permian pholidoteuthis plesioteuthididae portable document format promachoteuthis radula rectum reproductive system sharpear enope squid shellfish silurian species spermatophore spirulida squamous epithelium squid giant axon stomach taxonomy telescope tentacle thysanoteuthis triassic vampire squid ventricle vertebrate whale whip-lash squid wikibooks wikimedia commons