Ecology of Girella tricuspidata
Main Ref. Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • 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 Girella tricuspidata may be found.
Remarks Larvae inhabit seagrass beds, moving out of them into mangrove-lined creeks and estuaries during their first year (Ref. 6390). Luderick are moderately sedentary, schooling fish. They do however, move between and within estuaries and coastal lakes, with a more pronounced movement or migration occurring prior to spawning (Ref. 5962, 28604, 28605). They are daytime foragers which rove about in large groups browsing over algal beds in shallow water (Ref. 26966).


Substrate Hard Bottom: rocky;
Substrate Ref.
Special habitats Beds: sea grass;
Special habitats Ref.


Associated with
Association remarks


Feeding type mainly plants/detritus (troph. 2-2.19)
Feeding type ref Russell, B.C., 1983
Feeding habit grazing on aquatic plants
Feeding habit ref Russell, B.C., 1983
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition 2.09 0.09 2.00 0.02 Troph of adults from 2 studies.
Ref. Choat, J.H. and K.D. Clements, 1992
From individual food items 2.47 0.24 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 11.23.98
Modified by Luna, Susan M. on 05.11.01
Checked by Miranda, Lilibeth on 05.11.01
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