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Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Schilbeidae (Schilbid catfishes)
More on author: Rüppell.

Environment / Climate / Range Ecology

Freshwater; pelagic; potamodromous (Ref. 51243); depth range 0 - 60 m (Ref. 34291), usually 0 - 30 m (Ref. 34291). Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Senegal, Gambia, Casamance, Corubal, Geba, Little Scarcies, Sassandra, Boubo, Bandama, Agnébi, Mé, Comoé, Tano, Pra, Volta basin, Mono, Sio, Ouémé, Ogun, entire Niger and Chad basins, Cross, Wouri and Sanaga; absent between Little Scarcies and Sassandra; further in the entire Congo River basin, Malagarasi, Luiche, Cunene, Okavango, entire Zambezi including the Kafue system, Lake Kariba, Nile, Lake Victoria basin, Webi Shebeli, Wando, Tana, Galana, Athi, Wami, Rufiji-Ruaha, Lake Rukwa, lower Sabi-Lundi, Shire below Murchison Falls, Lake Chilwa, Ruvu, Pungwe, Limpopo, Incomati and Pongola (Ref. 43912).

Length at first maturity / Size / Weight / Age

Maturity: L_m 10.0 range ? - ? cm
Max length : 50.0 cm SL male/unsexed; (Ref. 57127)

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 5-6; Anal soft rays: 41 - 66. Diagnosis: 8-13 gill rakers on lower limb of first gill arch; 41-66 branched anal-fin rays; eyes positioned laterally (Ref. 57127). In West Africa, this species usually lacks an adipose fin, but specimens with a rudimentary adipose fin may be occasionally present (Ref. 57127).

Reported to be a pelagic species (Ref. 34290). Occur mainly on shallow waters. Migrate to the surface at night (Ref. 34291). Feed on a wide range of invertebrates including terrestrial insects and whole or pieces of fish (Ref. 28714). Primarily piscivorous at 13-34 cm TL (Ref. 34291). Rarely grow to lengths greater than 30 cm SL (Ref. 34290). Spawn throughout the year peaking once (Ref. 34291). Migrate into rivers in fairly compact schools during the rainy season to spawn in floodwater pools (Ref. 34291). Oviparous, eggs are unguarded (Ref. 205). Max. total length 60.5cm (Ref. 52331).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

De Vos, L., 2003. Schilbeidae. p. 97-116 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. 57127)

IUCN Red List Status (Ref. 109396)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: ; aquaculture: commercial

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00692 (0.00415 - 0.01152), b=3.08 (2.94 - 3.22), based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic Level (Ref. 69278): 3.6 ±0.60 se; Based on food items.

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=5, probably greater; K=0.1-0.3; Fec = 18,000).

Vulnerability (Ref. 59153): High vulnerability (63 of 100) .

Price category (Ref. 80766): Unknown.

Schilbe intermedius Rüppell, 1832