形态学资料 Nandus andrewi
检索表
Abnormalities
主要参考文献 Ng, H.H. and Z. Jaafar, 2008
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 none
侧面体型 fusiform / normal
横切面 compressed
头部背面描绘 clearly concave
眼的类型 more or less normal
口/吻尖的类型 clearly protrusible
口的位置
Type of scales ctenoid scales
鉴别

This species differs from its congeners by its pale bluish-white body color in life (vs. mottled brown); differs from Nandus nandus, the only South Asian congener, in having body depth 24.3-29.1% SL (vs. 28.2-34.3); pelvic fin length 16.2-18.9% SL (vs. 18.0-21.2); from Nandus nebulosus, Nandus oxyrhynchus and Nandus prolixus by the presence (vs. absence) of dark spot on the caudal peduncle, by having lateral line scales 45-52 (vs. 24-37) and body depth 24.3-29.1% SL (vs. 30.7-44.1) (Ref. 75197).

鉴定难易度

分节特性 Nandus andrewi

侧线 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 4 - 6
侧线下的鳞片列 15 - 17
尾梗周围的鳞片 18 - 21
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   
Ventral  
棘总数 12 - 14
软条总数 11 - 14
脂鳍 absent

尾鳍

属性 more or less truncate

臀鳍 (s)

鳍数
棘总数 3 - 3
软条总数 7 - 8

偶鳍

胸鳍 属性  more or less normal
脊椎     0
软条   14 - 16
骨盘的 属性  
位置    behind origin of D1
脊椎     1
软条   5 - 6
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Comments & Corrections
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  最后修订者: sortiz, 06.27.17