This website uses cookies to enhance your browsing experience and ensure the functionality of our site. For more detailed information about the types of cookies we use and how we protect your privacy, please visit our Privacy Information page..
×
Cookie Settings
This website uses different types of cookies to enhance your experience. Please select your preferences below:
Performance
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. For example, we use Google Analytics to generate web statistics, which helps us improve our website's performance and user experience. These cookies may track information such as the pages visited, time spent on the site, and any errors encountered.
Teleostei > Siluriformes (Catfishes) > Claroteidae (Claroteid catfishes)
Etymology: Chrysichthys:Greek, chrysos = golden + Greek, ichthys = fish (Ref. 45335). Eponymy: Robert Bruce Napoleon ‘Brucie’ Walker FRGS, FAS, FGS, CMZS (1832–1901) was a West African trader, explorer, anthropologist and natural history and ethnography collector. [...] (Ref. 128868), visit book page. More on author: Günther.
Environment: milieu / climate zone / 深度上下限 / distribution range 生態學
Africa: endemic to the Pra basin in Ghana; other reports from West Africa unconfirmed (Ref. 7324, 57126). Identifications of C. walkeri in Lower Guinea appear to be misidentifications of mature male of C. auratus, or of C. aluuensis or
C. thysi (Ref. 81642). 非洲: 迦納到卡賓達,安哥拉。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm Max length : 11.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 57126)
背棘 (總數) : 2; 背的軟條 (總數) : 6; 臀棘: 0. Diagnosis: nasal barbell long, reaching to anterior margin of orbit; first branched dorsal-fin ray longest, but never filamentous; adipose fin long, its base longer than that of dorsal fin; 9 branched rays in pectoral fin; 12-13(15) gill rakers on lower limb of first gill arch (Ref. 57126).
Body shape (shape guide): fusiform / normal.
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)
Phylogenetic diversity index (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00531 - 0.01797), b=3.01 (2.86 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.2 ±0.40 se; based on food items.