分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
Taxonomic Remarks
Affinities: B. taeniurus is close to B. opisthotaenia and especially to B. kingsleyae; however, generally B. taeniurus has no humeral spot and more numerous gill rakers on lower limb of first arch; the more discriminatory character is the longitudinal band shape which is very thin, while larger in B. opisthotaenia and B. kingsleyae (Ref. 80290).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 外洋の. Tropical
Africa: reportedly endemic to the Lower Guineawhere it is known from the rivers Ogowe, Ntem and Kribi (Kienke) (Ref. 80290) in Cameroon and Gabon (Ref. 5331, 80290), and from the Kouilou-Niari basin (Ref. 92841). However also reported from the Ngoko (Sangha drainage, middle Congo River basin) in Cameroon (Ref. 42792, 51193).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 9.8 cm SL オス/雌雄の選別がない; (Ref. 42019)
簡単な記述
検索表 | 形態学 | 形態計測学
肛門の骨: 0; 臀鰭: 18 - 20. Diagnosis: fronto-parietal fontanel absent in adults, sometimes pore-like in juveniles; snout short, more than 3x head lenght; dorsal fin origin slightly behind pelvic fin insertion; sexual dimorphism affecting anal fin shape; head length/snout length 3.4-4.3; 25-28 lateral line scales; 4.5 scales between lateral line and dorsal fin; 9.5-10 predorsal scales; 15-17 anal fin branched rays; 24-28 gill rakers on lower limb of first gill arch; 8 teeth in outer premaxillary row; humeral spot generally absent but sometimes present; narrow black band on flanks; adults medium-sized (Ref. 80290).
Body shape (shape guide): fusiform / normal.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Paugy, D. and S.A. Schaefer, 2007. Alestidae. p. 347-411. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) Poissons d'eaux douces et saumâtres de basse Guinée, ouest de l'Afrique centrale/The fresh and brackish water fishes of Lower Guinea, west-central Africa. Vol. 1. Coll. Faune et Flore tropicales 42. Istitut de recherche pour le développement, Paris, France, Muséum nationale d'histoire naturelle, Paris, France and Musée royale de l'Afrique centrale, Tervuren, Belgique. 800 p. (Ref. 80290)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
XMLをダウンロードして下さい
インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00491 - 0.02339), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (参照
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
🛈