Ecology of Gasterosteus aculeatus
 
Main Ref. Banister, K., 1986
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 Gasterosteus aculeatus may be found.
Remarks Shoaling species outside the breeding season, especially when young. Inhabits vegetated areas, usually over mud or sand (Ref. 5723). In the sea, confined to coastal waters. Forms schools. Eggs are found in nests constructed from plant material (Ref. 41678). Anadromous and nerito-pelagic (Ref. 58426). Feeds on worms, crustaceans, larvae and adult aquatic insects, drowned aerial insects, and small fishes; has also been reported to feed on their own fry and eggs (Ref. 1998). Length in freshwater is 8 cm while in saltwater is 11 cm (Ref. 35388). Preyed upon by American mergansers.

Substrate

Substrate Soft Bottom: sand; mud;
Substrate Ref. Page, L.M. and B.M. Burr, 1991
Special habitats vegetation
Special habitats Ref. Page, L.M. and B.M. Burr, 1991

Associations

Ref. Scott, W.B. and M.G. Scott, 1988
Associations
Associated with Young associated with drifting seaweed (Ref. 12114, 12115). Parasites of the species include 5 protozoans, 2 myxosporidians, 4 monogeneans, 12 trematodes, 7 cestodes, 4 nematodes, 2 acanthocephalans, 1 mollusc, 1 branchiuran and 2 copepods (Ref. 5951).
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type ref Blegvad, H., 1917
Feeding habit hunting macrofauna (predator)
Feeding habit ref Blegvad, H., 1917
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 3.31 0.18 3.41 0.39 Troph of adults from 2 studies.
Ref. Blegvad, H., 1917
From individual food items 3.38 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Luna, Susan M. on 03.05.91
Modified by Pablico, Grace Tolentino on 08.01.07
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