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Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Ichthyborus: Greek, ichthyboros, -os, -on = that eats fishes (Ref. 45335).
Eponymy: Théodore André Monod (1902–2000) was a French naturalist, humanist and philosopher who was most well-known for his treks through the Sahara Desert. [...] (Ref. 128868), visit book page.
More on author: Pellegrin.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين سطح زی. Tropical; 24°C - 27°C (Ref. 12468)
Africa: this species has been reported from the Niger Delta (Nigeria), the Lower Ouémé (Benin) (Ref. 2936, 86396), the Cross River (Ref. 2936, 51193, 81638, 86396) (Nigeria, Cameroon) and the Wouri River (Cameroon) (Ref. 51193, 81638).
اندازه / وزن / سن
بلوغ: Lm ? range ? - ? cm
Max length : 20.8 cm SL جنس نر / بدون خواص جنسي; (Ref. 31256)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 13 - 17; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 15 - 18. Diagnosis: snout longer than half the head length (southern Nigeria and Cameroon); body depth 5.25-7x and head length 2.8-3x SL; head 3.75-4.85x longer than wide; snout more than half of head length (53-58%); scale formula 11.5-13.5/95-100/11-13 (Ref. 2936, 86396). 92-104 (Ref. 81638) or 95-100 (Ref. 2936, 86396) lateral line scales.
Body shape (shape guide): elongated; Cross section: compressed.
Maximum TL was recorded at 23 cm (Ref. 7094).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
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): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00186 - 0.01072), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (15 of 100).
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