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Clarotes laticeps (Rüppell, 1829)

Widehead catfish
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Clarotes laticeps
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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Siluriformes (Catfish) > Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Clarotes: Greek, klarotes, a term for slaves, people with bent necks; in reference to the morphology of the head.  More on author: Rüppell.

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

; sötvatten bottenlevande; anadrom (Ref. 51243).   Tropical; 20°C - 26°C (Ref. 2059); 17°N - 3°N

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Africa: present in all Nilo-Sudanese basins (Chad, Benue, Niger, Senegal, Volta)(Ref. 57126). Also in East Africa and the Nile (Ref. 3236).

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?, range 28 - ? cm
Max length : 80.0 cm SL hane/ej könsbestämd; (Ref. 4967); publicerad maxvikt: 10.0 kg (Ref. 3799)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 2; Mjukstrålar i ryggfenan (totalt): 5-7; Taggstrålar i analfenan 0. Diagnosis: adipose fin rayed in adults, 1st ray forming a spine (not visible in juveniles); adipose-fin rays becoming visible at sizes of 90-100 mm SL, and the spine at 200 mm; dentition very well developed: premaxillary tooth plate broad (38-45% of head length), palatine dentition consisting of an elongate vomerine plate and of a dermo-palatine plate in young individuals (60-70 mm SL); palatine tooth plates narrow and long with much weaker dentition; nasal barbel long, reaching at least to anterior part of orbit; maxillary barbel very long, exceeding at least the anterior part of dorsal fin and often reaching to adipose fin; caudal-fin lobes marked by a dark band; cranial bones well developed; length of occipital process usually less than 1.4 times its width (Ref. 57126).

Biologi     Ordlista (t.ex. epibenthic)

Inhabits rivers (Ref 4967). Feeds on crustaceans, insects, mollusks and fish (Ref. 28714).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Risch, L.M., 2003. Claroteidae. p. 60-96 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. 57126)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 01 May 2009

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell
FAO(Publication : search) | FishSource |

Ytterligare information

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00675 - 0.02347), b=3.06 (2.89 - 3.23), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.1   ±0.43 se; Based on food items.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  High vulnerability (56 of 100) .
Price category (Ref. 80766):   Unknown.