分類 / Names
Common names from other countries
主要參考資料
大小 / 重量 / 年齡
Max length : 55.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 40637); 最大體重: 1.6 kg (Ref. 40637)
環境
; 淡水 底中水層性; pH range: 7.0 - 8.7; dH range: 10 - 15; 深度上下限 3 - 10 m (Ref. 80549)
氣候 / 範圍
25°C - 36°C (Ref. 36880), preferred ?; 37°N - 9°N
分布
Central America: Atlantic slope from the Ulua River (Honduras) to the Matina River (Costa Rica).
國家 | FAO區域 | 生態系 | 發現紀錄 | 簡介
簡短描述
背棘 (總數): 17 - 18; 背的軟條 (總數): 10-11; 臀棘 6-8; 臀鰭軟條: 11 - 12. This species is distinguished by its large mouth, projecting lower jaw, prominent enlarged canine teeth, black spots on fins and body, a more or less continuous black stripe between the eye and opercular margin, another between the eye and the lower angle of the opercle; a row of black blotches along the middle of the side. Distinguished from other members of the genus by having the preopercle expanded at the angle. Body color silvery or golden-green to purple; back moss green, sides with purple iridescence, belly whitish or yellowish; dorsal, anal and caudal fins with numerous black spots, interspaces whitish, yellowish or with blue iridescence; a black blotch on the caudal-fin base. Breeding females with stronger crimson hue to the gill cover.
人類使用
漁業: 商業性; 養殖: 商業性; 水族館: 商業性
工具
特別的報告
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網路資源
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
營養階層
4.0 ±0.59 se; Based on food items.
回復力
中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming tm=1-2; Fec=10,000)
瀕危性
Moderate vulnerability (39 of 100)
價格種類
