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Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
Eponymy: Dr Otto Koller (1872–1950) of the Vienna Natural History Museum was an Austrian biologist and zoologist who was the first ichthyologist to examine specimens on which the species Gobiobotia kolleri is based (1927). [...] (Ref. 128868), visit book page.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين سطح زی. Tropical
Africa: Lower Guinea endemic, only occuring in the Sanaga River basin, Cameroon (Ref. 7094, 51193, 81638).
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 19.5 cm SL جنس نر / بدون خواص جنسي; (Ref. 81638)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 21 - 27; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 13 - 18. Diagnosis: 46-49 pored lateral line scales, followed by several smaller, unpored scales on caudal fin base; total dorsal rays 21-27; dorsal fin becoming increasingly elongate ontogenetically, tip of dorsal fin reaching beyond base of caudal fin in larger individuals (Ref. 81638).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Maximum TL was recorded at 21.5 cm (Ref. 7094).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01660 (0.00691 - 0.03983), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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0 |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |