Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Malapteruridae
Etymology: Malapterurus: Greek, mala = a lot of + Greek, pteron = fin + Greek, oura = tail (Ref. 45335); beninensis: The specific epithet is geographic, in general reference to southern Nigeria, where the types originated (Ref. 44050).
Environment / Climate / Range
Freshwater; benthopelagic. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.3 cm SL male/unsexed; (Ref. 34006)
Morphology | Morphometrics
soft rays: 8 - 11;
Vertebrae: 33 - 38. Diagnosis: body cylindrical; tooth patches narrow; vertically oriented pectoral fins, placed near body mid-depth; 6-7 branched caudal-fin rays; pectoral-fin rays usually 8, rarely 7 or 9; 34-38 vertebrae; eyes relatively small, interorbital space relatively broad; caudal saddle and bar pattern quite distinct in juveniles and young and usually apparent in adults; dorsum and flank nearly always spotted, sometimes extensively; commonly 10-15 gill rakers on first arch (total range 4-22); caudal saddle and anal-fin pigmentation not continuous (Ref. 44050).
Africa: distributed along the coastal plain of west and central Africa from the lower Volta River (Ghana) to the Shiloango system (Angola and Congo DR), and on the Island of Fernando Po (Ref. 44050).
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.
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01200 (0.00482 - 0.02986), b=3.02 (2.81 - 3.23), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (17 of 100) .