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Ecology of Rhinichthys cataractae
 
Main Ref. Scott, W.B. and E.J. Crossman, 1973
Remarks Inhabit very turbulent waters; also occur inshore waters of lakes; in warm lakes, may move offshore into deep water during the heat of summer; may eat fish eggs (Ref 1998). Young up to 4 months are pelagic (Ref. 1998). Form schools (Ref. 1998). Insectivorous (Ref. 10294, 54729). Feed on mayflies, blackflies, and midges (Ref. 1998, 10294).

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 Rhinichthys cataractae may be found.

Habitat

Substrate Hard Bottom: rocky; rubble;
Substrate Ref.
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 3.20 0.40 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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