Ecology Summary - Gila alutacea
Ecology of Gila alutacea
 
Main Ref. Scott, W.B. and E.J. Crossman, 1973
Remarks Inhabits flowing pools and runs over sand and gravel in creeks and small to medium rivers; also in margins of lakes. Adults feed mainly on diatoms, also on filamentous algae; young feed on surface insects (Ref. 1998). Aggressive behavior (chasing and biting) observed between adults approaching within 45cm on from another, and to a lesser extend in juveniles at distances of approximately 10cm (Ref. 52680).

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 Gila alutacea may be found.

Habitat

Substrate Soft Bottom: sand; Hard Bottom: rocky;
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 plants/detritus+animals (troph. 2.2-2.79)
Feeding type Ref. Scott, W.B. and E.J. Crossman, 1973
Feeding habit grazing on aquatic plants
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 2.13 0.03 Troph of adults from 5 studies.
From individual food items 2.40 0.21 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 9948)
(e.g. oophagy)
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