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Siluriformes (Catfishes) >
Schilbeidae (Schilbid catfishes)
Etymology: Irvineia: It is the name of a seaweed; voltae: Referring to the type locality of this species, the Volta River (Ref. 43912).
More on author: Trewavas.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical; 6°N - 5°N
Africa: endemic to the lower Volta in Ghana (Ref. 43912, 57127).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 19.0 cm SL オス/雌雄の選別がない; (Ref. 57127)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 1; 背鰭 (合計): 6; 臀鰭: 58 - 68. Diagnosis: posterior (=inner) side of pectoral-fin spines strongly denticulate; 58-68 branched anal-fin rays; 16-18 gill rakers on lower limb of first gill arch; barbels very short, nasal barbel extending to hind margin of eye; adipose fin always present; swim bladder extending backwards through a caecal appendix to above end of anal-fin base (Ref. 43912, 57127). Palatine teeth present (Ref. 57127). Posterior nostrils closer to each other than are anterior ones; 7-9 branched pelvic fin rays (Ref. 43912).
Probably carnivorous, feeding at least partly on small crustaceans (Ref. 43912). Oviparous, eggs are unguarded (Ref. 205).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Distinct pairing (Ref. 205).
De Vos, L., 2003. Schilbeidae. p. 97-116 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57127)
IUCNのレッドリストの状況は (Ref. 126983)
絶滅危惧 (EN) (B1ab(iii)); Date assessed: 30 November 2019
Human uses
水産業:
より多くの情報
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子の対立遺伝子頻度遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
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