Ink-fish is ocean cephalopods o the order Teuthida, whilk comprises aroond 300 speshie. Lik aw ither cephalopods, ink-fish hae a distinct heid, bilateral symmetry, a mantle, an airms. Ink-fish, lik cuttlefish, hae aicht airms an twa tentacles arrangt in pairs. (The anely kent exception is the bigfin ink-fish group, whilk hae ten gey lang, thin airms o equal length.)
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