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The greater weever (''Trachinus draco'') is a weever fish of the family Trachinidae. This venomous fish is found in the northeast Atlantic, the Mediterranean and Black Sea. == Description == Its body is a greenish yellow or lime, to dark green and brown, on the head and back, with pale sides, and with yellowish to bluish-brown oblique lines. The greater weever's body is elongate, tapered and laterally compressed, with a large head. Its length is up to six times its height. The upper rim of the eye has two to three small open spines, in front of each eye. The mouth is huge and is set obliquely. The eyes are placed toward the top of the head. The dorsal fin is blackish. The second dorsal fin and anal fins have a yellow stripe running their length. Its pectoral fin is rounded with a notch. On the first dorsal fin, both of the spines, and those of the gill covers, have venom glands attached to them. The spines are grooved, and when pressed, toxin is driven up the grooves. It reaches up to in length and in weight. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Greater weever」の詳細全文を読む スポンサード リンク
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