形态学资料 Trachonurus yiwardaus
检索表
Abnormalities
主要参考文献 Iwamoto, T. and A. Williams, 1999
形态描述的性别
Bones in OsteoBase

性别内容

特殊器官 no special organs
不同的外表
不同的颜色
附注

稚鱼与成鱼的特徵描述

显着的特徵 long whip-like tail
侧面体型 elongated
横切面 compressed
头部背面描绘 more or less straight
眼的类型 more or less normal
口/吻尖的类型 other (see diagnosis)
口的位置 sub-terminal/inferior
Type of scales ctenoid scales
鉴别

Grooved lateral line present; body scales relatively small, lateral line scales over distance equal to predorsal length 39-50, scale rows between pelvic fin base and operculum 11-12, below midbase of first dorsal fin to anal fin 26-30, below origin of second dorsal fin 6-9; scale covering on gular and branchiostegal membranes extensive; teeth in both jaws relatively small, but with a distinctly enlarged outer series on premaxillary and a slightly enlarged inner series on dentary; total gill rakers on inner series of first arch 9-13, on inner and outer series of second arch 9-12. Snout protruding, angular.

鉴定难易度 likely to be confused with closely related species.

分节特性 Trachonurus yiwardaus

侧线 1 打断: No
侧联机的鳞片
侧联机鳞片数
侧生系列的鳞片
侧联机的鳞片列
侧线下的鳞片列
尾梗周围的鳞片
触须
鳃裂 (仅限于鲨鱼/ 鱼)
鳃耙
在下肢上
上枝鳃耙
总数
脊椎骨
肛门前
总数

背鳍 (s)

属性
鳍数 2
离鳍号码 Dorsal   
Ventral  
棘总数 2 - 2
软条总数
脂鳍 absent

尾鳍

属性 pointed; confluent

臀鳍 (s)

鳍数 1
棘总数
软条总数

偶鳍

胸鳍 属性  more or less normal
脊椎     0
软条   12 - 18
骨盘的 属性  more or less normal
位置    thoracic  behind origin of D1
脊椎     0
软条   6 - 7
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意见 & 订正
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  最后修订者: sortiz, 06.27.17