Ecology Summary - Balaenoptera edeni

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Ecology Summary - Balaenoptera edeni

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Ecology of Balaenoptera edeni

Main Ref.	Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Remarks	Found both offshore, near the coast in many areas (Ref. 1394) and shelf waters (Ref. 122680). Commonly in groups of 10 to 20 individuals on feeding grounds (Ref. 801). They are active lunge feeders (Ref. 1394). Known as 'gulpers,' feeding in separate events, often lunging at large schools of fish (Ref. 122680). Feeds primarily on fish, but they also take invertebrates (Ref. 1394) like krill (Ref. 122680). Oceanodromous (Ref. 75906).

Main Ref.

Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993

Remarks

Found both offshore, near the coast in many areas (Ref. 1394) and shelf waters (Ref. 122680). Commonly in groups of 10 to 20 individuals on feeding grounds (Ref. 801). They are active lunge feeders (Ref. 1394). Known as 'gulpers,' feeding in separate events, often lunging at large schools of fish (Ref. 122680). Feeds primarily on fish, but they also take invertebrates (Ref. 1394) like krill (Ref. 122680). Oceanodromous (Ref. 75906).

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 Balaenoptera edeni may be found.

Habitat

Substrate	Pelagic;
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.	Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Best, P.B., 2001
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	4.10	0.70			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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