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> Siluriformes (Catfishes) > Malapteruridae (Electric catfishes)
Etymology: Malapterurus:Greek, mala = a lot of + Greek, pteron = fin + Greek, oura = tail (Ref. 45335); oguensis:The specific epithet is geographic referring to the Ogowe (Ogôoué) River where the types originated (Ref. 44050). More on author: Sauvage.
背面の脊椎 (合計) : 0; 肛門の骨: 0; 臀鰭: 8 - 10; 脊つい: 38 - 40. Diagnosis: tooth patches narrow; vertically based pectoral fin positioned near body mid-depth; 6-7 branched caudal-fin rays; 8 (rarely 7 or 9) pectoral-fin rays; 3 ventral unbranched caudal-fin rays (Ref. 44050). Dorsum, flank and head unspotted; caudal saddle and bar pattern intensely expressed with wide, dark and well defined saddle that extends onto the anal fin, with no interruption between saddle and anal-fin pigment fields (Ref. 44050, 81645)(in all other species with a caudal saddle there is a clear break in pigment between the saddle and the anal fin pigmentation)(Ref. 44050). Venter unpigmented; 38-40 vertebrae (Ref. 44050, 81645). 4-14 gill-rakers (Ref. 44050).
Body shape (shape guide): fusiform / normal; Cross section: circular.
An upland species, generally not found in lowland habitats, where it appears to be replaced by M. beninensis (Ref. 81645).
Norris, S.M., 2002. A revision of the African electric catfishes, family Malapteruridae (Teleostei, Siluriformes), with erection of a new genus and descriptions of fourteen new species, and an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 289:1-155. (Ref. 44050)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
系統多様性指数 (参照 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (参照 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref. 59153): Low vulnerability (16 of 100). 🛈