Ictalurus punctatus (Rafinesque, 1818)

Channel catfish, channel cat
Ictalurus_punctatus_01 Ictalurus_punctatus_02

Description 1

Robust, cylindrical body without scales, that is up to 1.5 m long and 25 kg in weight. Variable colourings (blue, olive, grey or black on the dorsal), many dark marks on the flanks and a white chest. Wide, flattened head with a large terminal mouth and a protruding upper jaw. 8 large and unequal barbels around the mouth. The front dorsal, pectoral and ventral fins have strong spines.

Biology 1

A nocturnal species that feeds on small fish, crustaceans, snails and molluscs. They spawn at the end of spring or the beginning of summer (when the water is between 16-24 oC), in a place selected by the male, this area is protected for between 5-10 days until the eggs hatch (several thousand per laying).

Habitat 1

Inhabits deep, clear waters with slow or moderate currents, tolerating a certain level of salinity.

Sources 1

Spanish Catalogue of Exotic Invasive Species and Document sheets of the Exotic Invasive Species Act 630/2013. (GEIB), CABI

Spanish Catalogue of Exotic Invasive Species - Fishes 1

http://www.mapama.gob.es/es/biodiversidad/temas/conservacion-de-especies/especies-exoticas-invasoras/ce_eei_peces.aspx

Fuentes y Créditos

  1. Adaptado por INVASORES - administrador de un trabajo de (c) cartotragsatec, algunos derechos reservados (CC BY), http://natusfera.gbif.es/guide_taxa/1821

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