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combtooth blenny
Combtooth blennies are blennioids; perciform marine fish of the family Blenniidae. They are the largest family of blennies with around 400 known species. Combtooth blennies are found in tropical and subtropical waters in the Atlantic, Pacific and Indian Oceans; some species are also found in brackish and even freshwater environments.
==Description==
The body plan of the combtooth blennies is archetypal to all other blennioids; their blunt heads and eyes are large, with large continuous dorsal fins (which may have three to 17 spines). Their bodies are compressed, elongated, and scaleless; their small, slender pelvic fins (which are absent in only two species) are situated before their enlarged pectoral fins, and their tail fins are rounded. As their name would suggest, combtooth blennies are noted for the comb-like teeth lining their jaws.
By far the largest species is the eel-like hairtail blenny at 53 cm in length; most other members of the family are much smaller. Combtooth blennies are active and often highly colourful, making them popular in the aquarium hobby.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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