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Africa: present from Senegal to Cameroon, in Lake Chad basin and Nile River (Ref. 81638). Reported in the Senegal (Ref. 7094, 86396), Niger, Volta, Ogun, Chad (Ref. 2936, 86396), Cross (Ref. 2936, 7094, 81638, 86396) and Wouri (Ref. 2936, 7094) River basins.
サイズ / 重さ / 年齢
成熟: Lm? range ? - ? cm Max length : 40.0 cm SL オス/雌雄の選別がない; (Ref. 2936); 最大公表体重: 1.5 kg (Ref. 3799)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 20 - 28; 肛門の骨: 0; 臀鰭: 13 - 17. Diagnosis: mouth inferior; body depth 2.6-3.4x and head length 4.0-5.4x SL; caudal peduncle length <= its depth; eye diameter 3.5 (juveniles)-5.7x head length; 11-12 scales between lateral line and scaly process at bases of pelvic fins; juveniles with numerous small, dark, eye-sized, spots on sides (Ref. 2936, 86396). No round humeral spot, no vertical bars (Ref. 81638). 73-86 (Ref. 81638) or 75-86 (Ref. 86396) lateral line scales. 14-16 (Ref. 81638) or 15.5-16.5 (Ref. 86396) scales between dorsal fin and lateral line. 20-28 (Ref. 81638) or 22-27 (Ref. 86396) total dorsal fin rays. 13-17 (Ref. 81638) or 13-16 (Ref. 86396) total anal fin rays.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Maximum TL was recorded at 50 cm; prefers flowing water over rocky bottoms (Ref. 7094). Feeds on vegetation and periphyton (Ref. 28714).
Gosse, J.-P. and E.J. Coenen, 1990. Distichodontidae. p. 237-260. 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 and O.R.S.T.O.M., Paris, 384 p. (Ref. 2936)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
系統多様性指数 (参照 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00793 - 0.02634), b=3.03 (2.87 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
栄養段階 (参照 69278): 2.0 ±0.00 se; based on food items.
漁業の脆弱性 (Ref. 59153): Moderate vulnerability (39 of 100). 🛈
