Clarias laeviceps, Catfish

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Espèces associées
- Espèces pour
  Clarias
- Espèces pour
  Clariidae
- - Classification -
- Clariidae
- Siluriformes
- Teleostei
- Chordata
- Animalia

Clarias laeviceps Gill, 1862

Catfish

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Clarias laeviceps
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Gill.

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

; eau douce démersal. Tropical; 8°N - 3°N

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Africa: C. laeviceps laeviceps: river St. John in Liberia to the Volta in Ghana; also found in the upper Niger in Guinea (Ref. 57129). Possibly also in the St. Paul River (Ref. 248, 13331). C. laeviceps dialonensis: rivers coming out of the Fouta Djalon (Konkouré, Kolenté), the upper Senegal River in Guinea and coastal basins in Sierra Leone; endemic to that region (Ref. 57129).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 31.7 cm TL mâle / non sexé; (Ref. 57129)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 74 - 93; Épines anales: 0; Rayons mous anaux: 60 - 75; Vertèbres: 65 - 69. Diagnosis: body very elongate, its depth 9.1-13.6% SL (m = 12.0)(Ref. 57129). Head short and broad (Ref. 248, 571429), oval-shaped dorsally (Ref. 248), its length 17.8-22.7% SL (m=21.1), its width 13.4-17.0% SL (m=16.0)(Ref. 57129). Snout broadly rounded; eyes more laterally placed (Ref. 248). Interorbital distance large, 44.7-54.8% HL (m = 49.5)(Ref. 57129). Tooth plates broad (Ref. 248, 57129), width of premaxillary plate 31.8-41.3% HL, width of vomerine plate 25.6-35.0% HL (Ref. 57129). Frontal fontanelle intermediate between "knife-shaped" and "sole-shaped"; occipital fontanelle rather long and oval shaped; supraorbital and "dermosphenotic" bones become joined in specimens between 80 and 100 mm TL (Ref. 248). Dorsal and anal fins very long (63.2-72.0% and 49.7-57.6% SL respectively) (Ref. 57129). Gill rakers small, slender and distantly set; suprabranchial organ partially fills chamber; pectoral spine rather thin and slightly curved (Ref. 248). Coloration: no information on colour in life (Ref. 57129). Preserved specimens: 2 types of colouration: one uniform, with back and sides blackish-brown and belly beige; and a marbled pattern with light spots against a dark background on back and sides, and pale brown on belly (Ref. 57129). Caudal fin with dark vertical bar occupying 2/3 of its base, dividing it in a dark anterior and a light posterior part (Ref. 57129).

Facultative air-breathing (Ref. 126274); Nothing is known regarding the biology of this species (Ref. 78218). Max. reported size of C. laeviceps laeviceps and C. laeviceps dialonensis is 317mm TL and 257mm TL respectively (Ref. 57129)

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Teugels, G.G., 1986. A systematic revision of the African species of the genus Clarias (Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref. 248)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

Vulnérable, voir Liste Rouge IUCN (VU) (B2ab(i,ii,iii)); Date assessed: 29 April 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Trophic ecology
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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=0.00794 (0.00357 - 0.01766), b=2.96 (2.78 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (22 of 100).

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