Issue
Junior synonym Nannocharax seyboldi Schultz, 1942 is valid according to
Environment: milieu / climate zone / пределы глубины / distribution range
экология
; пресноводный пелагический; pH range: 6.0 - 7.5; dH range: 7 - 15; мигрирует в реке (Ref. 51243). Tropical; 22°C - 27°C (Ref. 1672)
Africa: widespread, known from Senegal to Cameroon, including the Lake Chad basin (Ref. 2936, 80507, 81638, 86396). Also in the Dja and Bumba rivers (middle Congo River basin) in Cameroon (Ref. 46233). Reported from Ntem and Kribi Rivers (Ref. 51193), but not confirmed in Ref. 81638. Holotype from Gabon (Ref. 93570), without further specifications.
Size / Вес / Возраст
половая зрелость: Lm ? range ? - ? cm
Max length : 6.6 cm SL самец/пол неопределен; (Ref. 2936)
колючие лучи спинного плавника (общее число) : 0; членистые (мягкие) лучи спинного плавника (общее число) : 11 - 14; колючие лучи анального плавника: 0; членистые (мягкие) лучи анального плавника: 8 - 12. Diagnosis: body slightly elongate; head length 3.7-4.3x SL; 2.5-6 scales between anus and anal-fin base; 12-16 scales around caudal peduncle; 12-18 pectoral branched rays; 8-10 pelvic branched rays; series of separate spots along lateral line, not always distinct (frequently suffused by marbled color pattern on sides); scale formula 4-5.5/40-46 (Ref. 2936, 86396). 43-46 pored (except terminal 1-2) lateral line scales (Ref. 81638). Tip of pelvic fin extending distinctly beyond vent; dorsal portions of body with distinct dark, vertically oriented dark marks forming saddle-shaped pigmentation pattern; various dark marks on lateral surface of body without prominent, horizontally elongate dark spots on mid-lateral surface of body; dark pigmentation on body above horizontal through base of pectoral fin (Ref. 81638). 12-14 (Ref. 81638) or 11-14 (Ref. 2936, 86396) total dorsal fin branched rays. 10-12 (Ref. 81638) or 8-12 (Ref. 2936, 86396) total anal fin branched rays.
Body shape (shape guide): elongated.
Maximum TL was recorded at 7.8 cm (Ref. 7094). Feeds on small invertebrates (Ref. 13614).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
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)
Статус Красного Списка МСОП (Ref. 130435: Version 2025-1)
Угроза для людей
Harmless
Использование человеком
рыболовство: коммерческий; аквариум: коммерческий
дополнительная информация
инструменты
Специальные отчеты
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ресурсы в Интернет
Estimates based on models
Phylogenetic diversity index (ссылка
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00296 - 0.01020), b=3.22 (3.05 - 3.39), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (ссылка
69278): 3.4 ±0.45 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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