Day Octopus ( Octopus Cyanea ) . ( Order Octopoda ) . This Marine Invertebrate I ...
Stockphoto ID: 3117963
File name: HN_110203_Eilat_6902.jpg
Format: digital, 5000+ pixels longest side
Property release: no Model release: no
Source: photographer Based in: Israel
Description: Day Octopus ( Octopus cyanea ) . ( order Octopoda ) . This marine invertebrate is a cephalopod mollusc . The octopus has a large brain and well developed eyes . Eight tentacles form a ring around its mouth ( a horny beak , not seen ) . It swims by jet propulsion with its body sac ( upper left ) , or it crawls over rock surfaces . It lives in a cave or a crevice in rocks , emerging to hunt . Its prey is mostly crabs and lobsters , which it paralyses by injecting a poison . Some octopuses can reach a length of over one metre . Octopuses can vary their skin colour and may eject a cloud of ink when alarmed . Photographed in the Red Sea Israel
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