形态学资料 Dagetichthys lusitanicus
检索表
Abnormalities
主要参考文献 Desoutter, M., 2003
形态描述的性别
Bones in OsteoBase

性别内容

特殊器官
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 flatfish
侧面体型 other (see Diagnosis
横切面 flattened
头部背面描绘 clearly convex
眼的类型 more or less normal
口/吻尖的类型 more or less normal
口的位置 sub-terminal/inferior
Type of scales
鉴别

Diagnosis: body oval, elongate, flat and asymmetric (Ref. 57416), hind part tapering (Ref. 4710). Eyes located on right side of head, except in reversed individuals (Ref. 57416). Upper eye its own diameter or more from dorsal profile of head; anterior nostril on blind side not enlarged; anterior nostril on eyed side with backward-pointing tube not reaching front border of lower eye (Ref. 4710). Preopercle covered by skin and opercle entirely scaled; mouth arched and inferior; dorsal and anal fins lacking spinous rays and confluent with caudal fin, no distinct caudal peduncle; last dorsal and anal rays not shorter than preceding rays and broadly united to outer caudal rays; dorsal fin originating on anterior profile of head; pectoral fins present on both sides with 6-10 rays; straight part of lateral line visible, supratemporal part slightly arched above eyes; body covered with ctenoid scales (Ref. 57416).

Description: lower lip ornamented with cirri (Ref. 57416).

Colouration: eyed side greyish-brown, with irregular black spots tending to form longitudinal series; these spots are better developed along lateral line (Ref. 4710, 57416). Dorsal and anal fins of same colour as body; pectoral fin darker near tip; blind side whitish (Ref. 57416).

鉴定难易度

分节特性 Dagetichthys lusitanicus

侧线 1 打断: No
侧联机的鳞片
侧联机鳞片数 100 - 123
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 extending over most of the back length
鳍数 1
离鳍号码 Dorsal   0 - 0
Ventral  0 - 0
棘总数 0 - 0
软条总数 73 - 83
脂鳍 absent

尾鳍

属性 more or less truncate; confluent

臀鳍 (s)

鳍数 1
棘总数 0 - 0
软条总数 57 - 67

偶鳍

胸鳍 属性  more or less normal
脊椎     0
软条   6 - 10
骨盘的 属性  
位置    
脊椎     
软条   
主要参考文献 (例如 9948)
字汇 ( 例如 cephalopods )
Comments & Corrections
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