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Siluriformes (Catfishes) >
Malapteruridae (Electric catfishes)
Etymology: Malapterurus: Greek, mala = a lot of + Greek, pteron = fin + Greek, oura = tail (Ref. 45335); occidentalis: From the Latin "occidentalis" = west, in reference to the far west African distribution (Ref. 44050).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
Africa: (middle) Gambia and Géba Rivers in Gambia and Guinea-Bissau respectively (Ref. 44050, 57130).
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 32.0 cm SL hane/ej könsbestämd; (Ref. 57130)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 9 - 11; Ryggkotor: 36 - 38. Diagnosis: tooth patches narrow; vertically based pectoral fin positioned near body mid-depth; 7-8 branched caudal-fin rays; eye relatively large; interorbital space relatively narrow; 8-9 pectoral-fin rays; 36-38 vertebrae; young tan or brown; caudal saddle and bar pattern present in juveniles but poorly developed in adults; flank and dorsum marked with small spots but no large blotches; caudal fin not heavily marked with spots or blotches (Ref. 44050).
Body shape (shape guide): fusiform / normal; Cross section: circular.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00474 - 0.02910), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (29 of 100).
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