形態學資料 Enteromius nounensis
檢索表
Abnormalities
主要參考文獻 Van den Bergh, E.C. and G.G. Teugels, 1998
形態描述的性別
Bones in OsteoBase

性別內容

特殊器官 no special organs
不同的外表 always different morphology between mature adults
不同的顏色
附註 For the males the pectoral fins usually reach the ventral-fin base, for females they do not (Ref. 27690).

稚魚與成魚的特徵描述

顯著的特徵 none
側面體型 fusiform / normal
橫切面
頭部背面描繪 more or less straight
眼的類型 more or less normal
口/吻尖的類型 more or less normal
口的位置 sub-terminal/inferior
Type of scales
鑑別

Diagnosis: mouth subterminal; barbels absent; lateral line incomplete with 4-6 perforated scales; 21-25 scales in lateral line; 10-12 circumpeduncular scales; 2.5-3 scales between lateral line and pelvic fin insertion; gill rakers present along lower limb of first gill arch; dorsal fin with straight posterior margin; last simple ray of dorsal fin forming unserrated spine (Ref. 27690, 81639).

Description: small-sized, dorsal profile convex (Ref. 81639). Scales with divergent striae; lateral line incomplete: with 4-6 perforated scales; 21-25 scales in lateral line; 3.5-4 scales between lateral line and dorsal fin origin; 4.5-5.5 scales between lateral line and mid-belly; D:III,8; A:III,5; P:14-15; V:7-8; dorsal fin with straight border; last simple ray ossified, not serrated (Ref. 27690, 81639).

Coloration: ground color silvery white, with a faint dark mid-lateral band (Ref. 27690, 81639) from above pored scales to base of caudal fin (Ref. 27690). Upper part of back olive yellow; black spot behind opercle; ventrally thin black line from anal fin to caudal fin base; dorsal, pectoral and caudal fins with red tint; specimens from turbid waters generally darker (Ref. 27690, 81639).

鑑定難易度

分節特性 Enteromius nounensis

側線 打斷: No
側線上的鱗片 21 - 25
側線上鱗片數 4 - 6
側生系列的鱗片
側線上的鱗片列 3.5 - 4
側線下的鱗片列 4.5 - 5.5
尾梗周圍的鱗片 10 - 12
觸鬚 0
鰓裂 (僅限於鯊魚/ 魟魚)
鰓耙
在下肢上
上枝鰓耙
總數
脊椎骨
肛門前
總數 32 - 33

背鰭 (s)

屬性 no striking attributes
鰭數 1
離鰭號碼 Dorsal   
Ventral  
棘總數 1 - 1
軟條總數 10 - 10
脂鰭 absent

尾鰭

屬性 forked; more or less normal

臀鰭 (s)

鰭數
棘總數
軟條總數 8 - 8

偶鰭

胸鰭 屬性  more or less normal
脊椎     
軟條   14 - 15
骨盤的 屬性  more or less normal
位置    abdominal  beneath origin of D1
脊椎     
軟條   7 - 8
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