Diagnostic Description
(
英語
)
由Fishbase提供
Diagnosis: fronto-parietal fontanel absent in adults, sometimes pore-like in juveniles; snout short, more than 3x head lenght; dorsal fin origin just behind pelvic fin insertion; sexual dimorphism affecting anal fin shape; head length/snout length 3.1-4.0; 24-30 lateral line scales; 4.5 scales between lateral line and dorsal fin; 10.5-12 predorsal scales; 12-16 anal fin branched rays; 16-25 gill rakers on lower limb of first gill arch; 8 teeth in outer premaxillary row; adults medium-sized; humeral spot always present; broad black band on flanks; most apparent part of this band reaches or extends beyond vertical through posterior base of dorsal fin (Ref. 80290).Description: fronto-parietal fontanel present in very small individuals, disappearing with growth, when specimens reach 70-80 mm SL; gill rakers short but numerous; 8 outer premaxillary teeth aligned in a single row; no adipose eyelid (Ref. 80290). Anal-fins in adult males sexually dimorphic, being rounded instead of concave as in females (Ref. 28013).Coloration: back brown, flanks silvery and belly white; body with black humeral spot; spot not present in Niari River; dark longitudinal band extending onto median rays of caudal fin to margin of caudal fork, wider and somewhat indistinct anteriorly, thinner and well pronounced posteriorly (Ref. 80290).
Morphology
(
英語
)
由Fishbase提供
Dorsal spines (total): 0; Dorsal soft rays (total): 10
Brycinus opisthotaenia: Brief Summary
(
加泰隆語
)
由wikipedia CA提供
Brycinus opisthotaenia és una espècie de peix de la família dels alèstids i de l'ordre dels caraciformes.
Brycinus opisthotaenia: Brief Summary
(
西班牙、卡斯蒂利亞西班牙語
)
由wikipedia ES提供
Brycinus opisthotaenia es una especie de peces de la familia Alestiidae en el orden de los Characiformes.
Brycinus opisthotaenia
(
巴斯克語
)
由wikipedia EU提供
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Brycinus opisthotaenia: Brief Summary
(
巴斯克語
)
由wikipedia EU提供
Brycinus opisthotaenia Brycinus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Alestidae familian.
後紋非洲脂鯉: Brief Summary
(
漢語
)
由wikipedia 中文维基百科提供
後紋非洲脂鯉為輻鰭魚綱脂鯉目脂鯉亞目鮭脂鯉科的其中一種，為熱帶淡水魚，分布於非洲喀麥隆南部沙那加河及迦納、剛果共和國的奧維克河流域，體長可達12.8公分，棲息在底中層水域，生活習性不明。
Datos: Q583273
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