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Distribution: tropical to warm temperate waters. Coastal, some species entering rivers. Posterior nostril usually lying within or piercing the upper lip, opening into mouth. Tongue attached. Branchiostegal rays 15-49 pairs, overlapping midventrally to form a 'jugostegalia', a basketlike structure. Poorly developed neural spines, when present. Hyomandibulae usually vertical, but may be inclined backward or forward. With or without pectoral fins. Vertebrae 110-270. Most species spend their time burried in sand and hunt small fishes and crustaceans by sense of smell.
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![[q][i]อ้างถึง: flyboy posted: 11 ต.ค. 57, 15:04[/i]
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Gymnothorax tile (Hamilt](../_pictures/board/upload2014/201410/14130146632573.jpg)
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