Ecology of Gymnocanthus tricuspis
 
Main Ref. Fedorov, V.V., 1986
Remarks Burrows into sand and sand-mud bottoms with salinities of 32-35 ppt, sometimes as low as 16-30 ppt (Ref. 4698). Benthic (Ref. 58426). Feeds on small benthic amphipods and polychaetes (Ref. 4698). Preyed upon by black guillemots and harp seal, Phoca groenlandica. Parasite found on the fins was Diocus gobinus (Ref. 5951).

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 Gymnocanthus tricuspis may be found.

Habitat

Substrate Soft Bottom
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. Fedorov, V.V., 1986
Feeding habit hunting macrofauna (predator)
Feeding habit Ref.
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition 3.28 0.43 Troph of juv./adults.
From individual food items 3.42 0.52 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Gray, B.P., B.L. Norcross, A.H. Beaudreau, A.L. Blanchard and A.C. Seitz, 2017
(e.g. 346)
(e.g. cnidaria)
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