Ecology Summary - Alosa chrysochloris

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Main Ref.	Whitehead, P.J.P., 1985
Remarks	Euryhaline, entering brackish- and freshwaters, but perhaps not always or not consistently anadromous (Ref. 188), although strongly migratory within rivers (Ref. 10294), mostly in fast-flowing water where they are renowned for leaping (Ref. 188). Juveniles feed on zooplankton, insect larvae and small fishes. Adults on small gizzard and threadfin shad. Spawning occur in the spring, with adults often making long migrations upstream (Ref. 10294). Adults serve as hosts to the larvae (glochidia) of the economically valuable pearly mussel (Fusconaia ebena) of the Mississippi basin.

Main Ref.

Whitehead, P.J.P., 1985

Remarks

Euryhaline, entering brackish- and freshwaters, but perhaps not always or not consistently anadromous (Ref. 188), although strongly migratory within rivers (Ref. 10294), mostly in fast-flowing water where they are renowned for leaping (Ref. 188). Juveniles feed on zooplankton, insect larvae and small fishes. Adults on small gizzard and threadfin shad. Spawning occur in the spring, with adults often making long migrations upstream (Ref. 10294). Adults serve as hosts to the larvae (glochidia) of the economically valuable pearly mussel (Fusconaia ebena) of the Mississippi basin.

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 Alosa chrysochloris may be found.

Habitat

Substrate
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.	Whitehead, P.J.P., 1985
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Whitehead, P.J.P., 1985

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	3.89	0.63			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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