Ecology Summary - Malacoraja senta

Language:

Main Ref.	Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
Remarks	Inhabits soft mud and clay bottoms of the deeper troughs and basins, sands, sands and shells, gravel and pebbles of the offshore fishing banks (Ref. 6902). Salinity ranges from 32.6 to 35.4 (Ref. 6902). This species is confined to deep water. No occurrence has been found in less than 8 m of water (Ref. 6902). Feeds on decapod crustaceans and euphausiids, with mysids being more important. Parasites of the species include blood parasite, Haemogregarina delagei (protozoan) and Zyxibothrium kamienae (cestode) (Ref. 5951).

Main Ref.

Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000

Remarks

Inhabits soft mud and clay bottoms of the deeper troughs and basins, sands, sands and shells, gravel and pebbles of the offshore fishing banks (Ref. 6902). Salinity ranges from 32.6 to 35.4 (Ref. 6902). This species is confined to deep water. No occurrence has been found in less than 8 m of water (Ref. 6902). Feeds on decapod crustaceans and euphausiids, with mysids being more important. Parasites of the species include blood parasite, Haemogregarina delagei (protozoan) and Zyxibothrium kamienae (cestode) (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 Malacoraja senta may be found.

Habitat

Substrate	Soft Bottom
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations	shoaling;
Associated with
Association remarks	NEFSC bottom trawl surveys report juvenile concentrations found near the Northeast Peak (Canadian side) of Georges Bank and Northeast Channel in winter, and in spring, heavily concentrated in the Gulf of Maine (Ref. 49750). Deposit single fertilized egg in capsule; diet restricted in diversity of prey and habitat occupied by prey (Ref. 86779).
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.47	0.21	3.40	0.40	Troph of adults from 5 studies.
From individual food items
Ref.	Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000

Back to Search

cfm script by eagbayani, , php script by rolavides, 2/5/2008 , last modified by mbactong, 10/24/19