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Definition of Term

grammistan
(English) A bitter tasting toxin secreted in mucus from disturbed Grammistidae (Diploprion, Aulacocephalus, Rypticus, Grammistops, Pogonoperca, Grammistes). Disturbed grammmistids produce a large quantity of mucus, which when confined to a small volume of water becomes frothy and may be lethal to other fishes. The mucus may cause a predator to drop a grammistid that the predator has seized. To humans the mucus has an immediate unpleasant bitter taste accompanied by a light stinging sensation. (See also: toxin, mucus)

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