A small marine fish with a suction-like disc on its belly that allows it to cling firmly to rocks and other underwater surfaces.
From 'cling' (Old English clingan) plus 'fish' (Old English fisc), literally a fish that clings; named for its distinctive adhesive ability.
Clingfish can generate such powerful suction that they can hold on with forces up to 230 times their own body weight—a single fish could theoretically support a car's weight!
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