Ecology of Gambusia affinis
 
Main Ref. Page, L.M. and B.M. Burr, 1991
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Gambusia affinis may be found.
Remarks Inhabits standing to slow-flowing water; most common in vegetated ponds and lakes, backwaters and quiet pools of streams (Ref. 5723). Most abundant in lower reaches of streams (Ref. 44091). Frequents brackish water. Feeds on insects, zooplankton and detritus. Used as live food for carnivorous aquarium fishes (Ref. 5723).

Substrate

Substrate Soft Bottom: silt; mud;
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 Page, L.M. and B.M. Burr, 1991
Feeding habit variable
Feeding habit ref
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 3.07 0.15 3.03 0.11 Troph of juv./adults from 3 studies.
Ref. Mansfield, S. and B.H. Mcardle, 1998
From individual food items 3.22 0.41 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sa-a, Pascualita on 09.20.99
Modified by OrtaƱez, Auda Kareen on 09.22.08
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