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词条 angel shark
释义
angel shark
fish
(genus Squatina), any of about 15 species of shark that constitute a single genus (family Squatinidae, order Squatiniformes) and are characterized by flattened heads and bodies, with winglike pectoral and pelvic fins that make them resemble rays. The tail bears two dorsal fins and a well-developed caudal fin. The upper surface of the head features the eyes, behind each of which is a prominent spiracle. Five gill slits occur in front of the pectoral fins. The angel shark ranges up to 2.5 m (6.25 feet) in length.
Angel sharks are found in tropical and warm temperate waters of the continental shelf worldwide. One species, S. squatina, is often caught for food in European and Mediterranean waters.
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更新时间:2025/4/7 15:42:35