形態學資料 Pelvicachromis roloffi
檢索表
Abnormalities
主要參考文獻 Teugels, G.G. and D.F.E. Thys van den Audenaerde, 2003
形態描述的性別
Bones in OsteoBase

性別內容

特殊器官
不同的外表
不同的顏色
附註

稚魚與成魚的特徵描述

顯著的特徵
側面體型
橫切面
頭部背面描繪
眼的類型
口/吻尖的類型
口的位置
Type of scales
鑑別

Diagnosis: body depth 37.1-40.5% of standard length; dorsal fin with several dark spots, the last 3 ones larger and darker than the others; caudal fin with a black spot at base (Ref. 53405).

Description: relatively deep-bodied, with rounded head and rounded caudal fin (Ref. 52307). Teeth conical, outer teeth in a single row, inner teeth in 3 rows; gill rakers lanceolate and short; no micro-gillrakers; snout rounded; mouth small; pharyngeal jaw teeth bicuspid; scales cycloid; pelvic fins pointed in males, rounded in females; caudal fin rounded or slightly asymmetric in males (Ref. 53405).

Coloration: in live: males: ground colouration bright violet, belly whitish, back greyish-brown; broad longitudinal band running from snout to caudal-fin base, not always distinct; pectoral and pelvic fins transparent, pelvics dark anteriorly; dorsal, anal and caudal fins yellowish-brown; anal fin dark-edged; series of dark spots on dorsal fin, last 3 ones larger and darker than others; caudal fin covered with dark spots (Ref. 53405). Body scales with dark margins (Ref. 52307). Females: general colouration violet, lower part of body more brightly coloured than upper part; area below eye yellowish; pectoral fins transparent (Ref. 53405). Pelvics deep black (Ref. 53405) or dark violet (Ref. 52307). Dorsal, anal and caudal fins golden red; dorsal fin with series of dark spots as in males, caudal fin dark-spotted; rarely with longitudinal band on sides (Ref. 53405). Silvery iridescent zone anterior of red belly often visible (Ref. 52307).

鑑定難易度

分節特性 Pelvicachromis roloffi

側線 2 打斷: No
側線上的鱗片 27 - 28
側線上鱗片數
側生系列的鱗片
側線上的鱗片列
側線下的鱗片列
尾梗周圍的鱗片
觸鬚
鰓裂 (僅限於鯊魚/ 魟魚)
鰓耙
在下肢上 9 - 10
上枝鰓耙
總數
脊椎骨
肛門前
總數

背鰭 (s)

屬性
鰭數 1
離鰭號碼 Dorsal   0
Ventral  0
棘總數 16 - 17
軟條總數 9
脂鰭 absent

尾鰭

屬性

臀鰭 (s)

鰭數 1
棘總數 3 - 3
軟條總數 7

偶鰭

胸鰭 屬性  
脊椎     
軟條   
骨盤的 屬性  
位置    
脊椎     
軟條   
主要參考文獻 (例如 9948)
字彙 ( 例如 cephalopods )
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