Ecology of Ictalurus punctatus
 
Main Ref. Turner, J.L., 1966
Remarks Inhabits lakes and deep pools and runs over sand or rocks in small to large rivers (Ref. 86798). Adults occur in rivers and streams and prefer clean, well oxygenated water (Ref. 9988), but also in ponds and reservoirs (Ref. 10294, 44091). Recorded as having been or being farmed in rice fields (Ref. 119549). They feed primarily on small fish, crustaceans (e.g. crayfish), clams and snails; also feed on aquatic insects and small mammals (Ref. 9669, 10294, 44091).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Ictalurus punctatus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref. Halwart, M. and M.V. Gupta, 2004

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Turner, J.L., 1966
Feeding habit variable
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 4.16 0.28 4.02 0.68 Troph of juv./adults from 2 studies.
From individual food items 3.40 0.54 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Turner, J.L., 1966
(e.g. 346)
(e.g. cnidaria)
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