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> Siluriformes (Catfishes) > Malapteruridae (Electric catfishes)
Etymology: Malapterurus: Greek, mala = a lot of + Greek, pteron = fin + Greek, oura = tail (Ref. 45335); thysi: Named for the Belgian ichthyologist Dirk Thys van den Audenaerde, former director of the Royal Museum of Central Africa (Tervuren, Belgium) (Ref. 44050).

Environment: milieu / climate zone / depth range / distribution range Ekologi

; sötvatten bentopelagisk. Tropical

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Africa: Cess (=Nipoué) and Cavally rivers in Western Ivory Coast (Ref. 44050, 57130).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 24.0 cm SL (female)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 7 - 9; Ryggkotor: 38 - 41. Diagnosis: tooth patches broad, semi-circular; pectoral fins placed low on body; 7-9 anal-fin rays; 20 caudal-fin rays (arrangement ii-7-8-iii, rarely ii-7-8-ii); 1-2 gill-rakers on upper branch of first arch; 38-41 vertebrae; caudal saddle and bar strongly developed; caudal saddle generally composed of concentrations of spots and blotches; caudal bar confined to base of caudal fin, not extending onto the caudal peduncle; body brown or tan; caudal fin darkly and solidly pigmented without pale basal crescent; lower lip, underside of head and mental barbels unpigmented or lightly pigmented (Ref. 44050).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 130435)

Near Threatened (NT) ; Date assessed: 02 February 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer

Ecology
Ekologi

Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Recruitments
Abundances

Life cycle
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Egg(s)
Egg developments
Larver
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Distribution
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Anatomy
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Hjärnstorlek
Otoliths

Physiology
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Visual pigment(s)
Fiskljud
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Toxicities (LC50s)

Genetics
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Human related
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Vattenbruksprofiler
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00451 - 0.02792), 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 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (19 of 100).

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Malapterurus thysi Norris, 2002