分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; pH range: 6.8 - 7.8. 熱帶; 23°C - 27°C (Ref. 12468)
Africa: Southern Ghana and southern Nigeria (Lagos and Bénoué basin) (Ref. 2880, 81279). Also recorded in Sanaga River basin, Cameroon (Ref. 52331).
非洲: 南方迦納與奈及利亞 (拉哥斯 與 Benoue 流域) 南部.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 31256); 最大体重: 300.00 g (Ref. 3799)
臀棘: 0; 臀鳍软条: 16 - 18. Diagnosis: parietal fontanella absent in adults and porelinke in juveniles, disappearing with growth; snout long, comprised three times in head length; dorsal-fin origin distincly behind pelvic-fin insertions; head broad; adults large-sized; no sexual dimorphism affecting anal-fin shape in adult males; body depth less than three times in the standard length in adults; 8-12 teeth in outer premaxillary row; 4.5 scales above lateral line; 21-23 lateral line scales; 13-15 anal fin branched rays; 18-20 gill rakers on lower part of first branchial arch (Ref. 2880, 81279).
成鱼有没有囟门。 长的吻， 3个 x 头长, 大的头部。 大的成鱼大小。 臀鳍的没有性同种二形。 身体纵深, 对于成鱼的 <3 x SL。 全身褐色的背面, 银色的侧边与白色的腹面。
Affinities: B. macrocephalus
分类相关: B. macrocephalus
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 南方迦納與奈及利亞 (拉哥斯 與 Benoue 流域) 南部.
Paugy, D., 1990. Characidae. p. 195-236. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
濒危 (EN) (B2ab(iii)); Date assessed: 12 August 2019
人类利用
渔业: 低经济
工具
特别资料
下载 XML
网络资源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00496 - 0.02540), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
