Ecology Summary - Bathynomus giganteus

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Ecology of Bathynomus giganteus

Main Ref.	Schotte, M., B.F. Kensley and S. Shilling, 1995
Remarks	Believed to be a scavenger because of its high incidence in bycatch of trap fisheries (e.g., golden crab, Chaceon fenneri, trap fishery in Northern Gulf of Mexico; see Ref. 80748).

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 Bathynomus giganteus may be found.

Habitat

Substrate	Benthic: mobile; macrobenthos;
Substrate Ref.	Briones-Fourzán, P. and E. Lozano-Alvarez, 1991
Special habitats
Special habitats Ref.

Associations

Ref.	Briones-Fourzán, P. and E. Lozano-Alvarez, 1991
Associations
Associated with	Host to: cirripede, Octolasmis aymonini geryonophila (most abundant ephiphytes); gastropod, Mitrella amphisella var. rushii; tube worms, branchiurans and hydrozoans.
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Briones-Fourzán, P. and E. Lozano-Alvarez, 1991
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Briones-Fourzán, P. and E. Lozano-Alvarez, 1991

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	4.28	0.72	4.04	0.58	Troph of adults.
From individual food items	3.40	0.44			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Barradas-Ortiz, C., P. Briones-Fourzán and E. Lozano-Álvarez, 2003

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