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Siluriformes (Catfishes) >
Claroteidae (Claroteid catfishes)
Etymology: Chrysichthys: Greek, chrysos = golden + Greek, ichthys = fish (Ref. 45335).
Eponymy: Dr Christian Lévêque is a French ichthyologist and hydrobiologist who is Professor Emeritus at IRD (formerly ORSTOM). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
Africa: endemic to the Samou River (Konkouré basin) in Guinea (Ref. 57126).
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 16.2 cm SL جنس نر / بدون خواص جنسي; (Ref. 57126)
خارهاي باله پشتي (کل) : 2; شعاع نرم باله پشتي (کل) : 6; خارهاي باله مخرجي: 0. Diagnosis: mouth broad; premaxillary tooth plate broad and unnotched, its width 27.5-33.9% of head length, and 5-7.5 times as broad as long; head not swollen; vomerine tooth plate not interrupted on the vomer (adults); palatine tooth plates poorly developed, confined to one dermo-palatine band, forming a small band (on each side) confluent with the vomerine plate; nasal barbel long, as long as (juveniles) or twice as long as (adults) eye diameter; mandibular barbels stout; 13-14 crenulated gill rakers on lower limb of first arch; chin papillose (Ref. 57126).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Risch, L.M., 2003. Claroteidae. p. 60-96 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. 57126)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).