Clarias liocephalus Boulenger, 1898

Smoothhead catfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Clariidae
Synonyms	Clarias submarginatus liocephalus, Clarias carsonii, Clarias neumanni, ... more
Common names	Isombe, Mokkakonnamonni, Tukpe, ... more

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Image of Clarias liocephalus (Smoothhead catfish)

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Main reference

Teugels, G.G. 1986. (Ref. 248)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 32.0 cm TL male/unsexed; (Ref. 3820)

Environment

Demersal; freshwater

Climate / Range

Tropical; 22°C - 28°C (Ref. 12468); 2°N - 12°S

Africa: Lake Victoria, Edward, George, small lakes of Uganda, Lake Kivu, smaller lakes of Rwanda, Lake Tanganyika, Bangweulu-Moero system, in Malawi, Kagera, Malagarazi, Ruzizi and Tana Rivers. Cunene, Okavango, upper Zambezi, and Kafue systems, Zambian Congo, Central Africa Great Lakes (Ref. 7248).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 67 - 79; Anal soft rays: 53 - 67; Vertebrae: 55 - 58. Pectoral fin spine with serrations on the inner and upward directed on the outer side (Ref. 34290). Head oval to rectangular dorsally; snout broadly rounded; eyes more laterally located. Frontal fontanelle intermediate between `knife-shaped' and `sole-shaped'; occipital fontanelle long and oval-shaped. Supraorbital and `dermosphenotic' bones generally joined above 150 mm SL and more dorsally placed. Tooth plates relatively broad. Pectoral spine relatively short; its outer side strongly serrated over entire length. Gill rakers short and far apart. Openings of secondary sensory canals regularly arranged on flanks.

Occurs in marginal water-lily and papyrus swamps as well as in marginal weed beds. Abundant in high mountain streams and torrents and on the bottom among stones. Not found in any situation lower than about 915 m above sea level nor in water of a higher temperature than 18 °C (Ref. 248).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (26 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Sa-a, Pascualita

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Page last modified by : elaxamana, 15 July 2009

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