Ecology Summary - Heterodontus mexicanus
Ecology of Heterodontus mexicanus
 
Main Ref. Compagno, L.J.V., 2001
Remarks Found on littoral continental waters, on rocky and sandy areas from close inshore down to at least 20 to 50 m depth. Also found on seamounts. Reported to reach 165 cm (Ref. 37955). Feeds on crabs and demersal fishes including midshipman (Porichthys, Batrachoididae) (Ref. 43278).

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 Heterodontus mexicanus may be found.

Habitat

Substrate : sand; Hard Bottom: rocky;
Substrate Ref.
Special habitats Coral Reefs;
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Compagno, L.J.V., 2001
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Compagno, L.J.V., 2001
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 4.15 0.73 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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