Ecology of Cottus bairdii
 
Main Ref. Scott, W.B. and E.J. Crossman, 1973
Remarks Occurs in rubble and gravel riffles, less often in sand-gravel runs of headwaters, creeks and small rivers. Also found in springs and their effluents and rocky shores of lakes. Feeds mainly on aquatic insect larvae, but also on crustaceans, annelids, fishes, fish eggs, and plant material (Ref. 1998). Feeds on fish, plants and benthic invertebrates (Ref. 1998).

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 Cottus bairdii may be found.

Habitat

Substrate Hard Bottom: rocky; rubble;
Substrate Ref. Scott, W.B. and E.J. Crossman, 1973
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Scott, W.B. and E.J. Crossman, 1973
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Scott, W.B. and E.J. Crossman, 1973
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.29 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
Comments & Corrections
 
 
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