Octopus This article is about the order of cephalopod. For other uses, see Octopus (disambiguation) . Octopus [2] The octopus is a soft-bodied, eight-...
https://en.wikipedia.org/wiki/Octopus
* limbed * mollusc * order * species * class * Cephalopoda * squids * cuttlefish * nautiloids * bilaterally symmetric * beak * tentacles * siphon * respiration * locomotion * invertebrates * ocean * coral reefs * pelagic * seabed * intertidal zone * abyssal depths * senescent * ink * camouflage * threat displays * venomous * blue-ringed octopuses * Kraken * Akkorokamui * Ainu * Gorgon * ancient Greece * Victor Hugo * Toilers of the Sea * Ian Fleming * Octopussy * shunga * Mediterranean * scientific Latin * octopus * Ancient Greek * ὀκτώπους * compound * ὀκτώ * πούς * ὀκτάπους * Alexander of Tralles * [3] * [4] * [5] * pluralised * [6] * [7] * wrongly assumes * Latin * second declension * -us * third declension * [8] * [9] * [10] * [11] * descriptivist * Oxford English Dictionary * [12] * New Oxford American Dictionary * [13] * giant Pacific octopus * [14] * [15] * [16] * [17] * seven-arm octopus * [18] * [19] * Octopus wolfi * [20] * bilaterally symmetrical * foot * appendages * [21] * [21] * [23] * [24] * mantle * siphon * [21] * [27] * beak * [21] * muscular hydrostats * [29] * acetabulum * [30] * [31] * cartilaginous * cornea * translucent * pupil * iris * retinal cells * [21] * Cirrina * fins * internal shell * cirri * [32] * [33] * circulatory system * copper * haemocyanin * viscous * blood pressures * [36] * endothelium * invertebrates * [21] * lamella * [39] * [36] * [40] * [40] * buccal mass * radula * chitin * gastrointestinal tract * crop * caecum * digestive gland * [42] * osmoregulation * pericardia * nephridia * vena cava * [21] * brain-to-body mass ratios * [44] * [45] * nervous system * [46] * neurons * reflex * [47] * somatotopic map * [48] * polarisation * Colour vision * [49] * opsins * [50] * cephalopod eyes * photoreceptor protein * chromatic aberration * [51] * dumbbell * [52] * statocysts * autonomic * [21] * [53] * sense of touch * chemoreceptors * taste * [54] * tension * stereognosis * mental image * proprioceptive * observing the arms visually * ink sac * ink * melanin * [57] * Cirrate * [32] * gonochoric * coelom * testis * ovary * gonocoel * gametes * gonoduct * mantle cavity * gonopore * [21] * [59] * hectocotylus * spermatophores * [60] * benthic * [21] * giant Pacific octopus * [21] * Alaska * [62] * [63] * senescent * [64] * cleavage * germinal disc * gastrulation * [21] * paralarvae * planktonic * copepods * arthropod * zooplankton * metamorphoses * mollusc * [21] * southern blue-ringed * Caribbean reef * California two-spot * Eledone moschata * [65] * [62] * [66] * argonaut * [67] * life expectancy * giant Pacific octopus * hormonal * [68] * broodiness * [69] * marine habitats * tide pools * Octopus cyanea * argonauts * pelagic waters * Abdopus aculeatus * seagrass * Bathypolypus arcticus * abyssal plains * Vulcanoctopus hydrothermalis * hydrothermal vents * [33] * [70] * [71] * [72] * territorial * [73] * midden * crabs * echinoderms * scavengers * crustaceans * polychaete worms * whelks * clams * [76] * bivalve molluscs * Clinocardium nuttallii * spider crabs * moon snails * limpets * rock scallops * chitons * abalone * saliva * [76] * nerve toxin * [78] * Grimpoteuthis * [32] * Stauroteuthis * photophores * bioluminescent * [80] * Jet propulsion * [81] * [82] * fusiform * [81] * peristaltic waves * [32] * Adopus aculeatus * Amphioctopus marginatus * [83] * [81] * [84] * [85] * [86] * [87] * intelligent * [88] * [89] * [90] * [91] * Maze * problem-solving * short- * long-term memory * parental care * [62] * observational learning * [92] * [88] * [89] * play * [93] * [85] * [94] * [95] * fishing boats * [90] * veined octopus * coconut * tool use * [87] * [96] * [97] * camouflage * Chromatophores * [98] * [91] * seabirds * sea otters * pinnipeds * cetaceans * mimicry * warning coloration (aposematism) * deimatic behaviour * [101] * Atlantic white-spotted octopus * [102] * [103] * smell * sharks * pseudomorphs * [104] * autotomy * skinks * lizards * [105] * replace lost limbs * mimic octopus * lionfish * eels * [107] * [108] * hosts * cestodes * nematodes * protistan * metazoan * [109] * Dicyemidae * [110] * endosymbionts * Coccidians * Aggregata * immune system * haemocytes * phagocytosis * [111] * Vibrio lentus * [112] * Carboniferous * Pohlsepia * squids * cuttlefish * Coleoidea * Nautiloids * Ammonoidea * [114] * tentacles * [115] * [116] * [117] * Vampyroteuthis * [118] * cladograms * [119] * William Elford Leach * [120] * [2] * Incirrina * [33] * stylets * [122] * RNA editing * nucleic acid sequence * primary transcript * fruit fly * ADAR * double-stranded RNA * basal * [125] * Minoan Crete * Knossos * [126] * Gorgon * Greek mythology * Medusa * [127] * Kraken * Linnaeus * Systema Naturae * [128] * [129] * creation myth * [130] * Akkorokamui * monster * Ainu * [131] * Victor Hugo * Toilers of the Sea * Guernsey * [132] * Ian Fleming * Octopussy and The Living Daylights * James Bond film * [133] * shunga * ukiyo-e * Katsushika Hokusai * The Dream of the Fisherman's Wife * ama diver * [134] * [135] * tentacle erotica * [136] * P. Z. Myers * Pharyngula * [137] * [138] * [139] * incidents have been verified * [140] * [141] * tetrodotoxin * nerve impulses * cerebral anoxia * [142] * [143] * fisheries * [145] * [146] * traps * trawls * [145] * [147] * [148] * [149] * [150] * [151] * octopus aquaculture * [152] * Aristotle * commented on * signalling * Historia animalium * when alarmed * [153] * Georges Cuvier * [154] * [155] * Heinrich Müller * Japetus Steenstrup * [156] * possibilities in biological research * protocadherins * [157] * independently evolved * intelligent extraterrestrials * [158] * public aquariums * [159] * experimental animals * anesthesia * Animals (Scientific Procedures) Act 1986 * [160] * [161] * EU * [162] * robotics * biomimicry * [163] * pneumatically * silicone * [164]