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A cephalopod / ˈ s ɛ f ə l ə p ɒ d / is any member of the molluscan class Cephalopoda / s ɛ f ə ˈ l ɒ p ə d ə / (Greek plural κεφαλόποδες, kephalópodes; "head-feet") [3] such as a squid, octopus, cuttlefish, or nautilus.
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 the exception of the Nautilidae and the Cirrina (deep-sea octopuses), [ 1 ] are able to release ink to confuse predators .
The cephalopods were once thought to have evolved from a monoplacophoran-like ancestor [8] with a curved, tapering shell, [9] and to be closely related to the gastropods (snails). [10] The similarity of the early shelled cephalopod Plectronoceras to some gastropods was used to support this view.
Cephalopod intelligence is a measure of the cognitive ability of the cephalopod class of molluscs. Intelligence is generally defined as the process of acquiring, storing, retrieving, combining, comparing, and recontextualizing information and conceptual skills. [ 2 ]
The largest cephalopod specimen ever recorded: a 495 kg (1,091 lb) colossal squid. Squids are the largest living cephalopods in terms of each of mantle length, total length, and mass, with the largest species by at least two of these measures being the colossal squid, Mesonychoteuthis hamiltoni.
Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea.They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family Nautilidae). [1]
Catching the cephalopods (the same class as octopus, cuttlefish and nautilus) is relatively easy, even from shore, although it can take some patience. Perhaps more important is the question: what ...
Teuthology (from Greek τεῦθος, "cuttlefish, squid", and -λογία, -logia) [1] is the study of cephalopods, which are members of the class Cephalopoda in the phylum Mollusca. Some common examples of cephalopods are octopus, squid, and cuttlefish. Teuthology is a large area of study that covers cephalopod life cycles, reproduction ...
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