Ecology Summary - Eleutheronema tetradactylum

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Ekologin hos Eleutheronema tetradactylum

Huvuddomare.	Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Anmärkningar	Occur inshore (Ref. 75154). There is little information on the life cycle movements of threadfin salmon. Tagging programs (Ref. 28741) have shown that adult blue threadfin move long distances along the coastline for at least 150 km. Blue salmon form large schools in feeding and spawning habitats in coastal shallows (Williams 1997). Feed on prawns and fish (largely members of Mugilidae, Engraulidae, and Sciaenidae) with occasional polychaetes. Frequency of crustaceans to fish in the diet varies seasonally. Larvae (7-30 mm TL) feed mainly on copepods and mysids but also take shrimps and prawn larvae (Ref. 57343). Juveniles (31-60 TL) feed on prawns shrimps and mysids (Ref. 57343).

Huvuddomare.

Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993

Anmärkningar

Occur inshore (Ref. 75154). There is little information on the life cycle movements of threadfin salmon. Tagging programs (Ref. 28741) have shown that adult blue threadfin move long distances along the coastline for at least 150 km. Blue salmon form large schools in feeding and spawning habitats in coastal shallows (Williams 1997). Feed on prawns and fish (largely members of Mugilidae, Engraulidae, and Sciaenidae) with occasional polychaetes. Frequency of crustaceans to fish in the diet varies seasonally. Larvae (7-30 mm TL) feed mainly on copepods and mysids but also take shrimps and prawn larvae (Ref. 57343). Juveniles (31-60 TL) feed on prawns shrimps and mysids (Ref. 57343).

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zon Litoralzon sublitoral zon	epipelagisk mesopelagic epipelagisk abyssopelagisk hadopelagisk	Flodmynningar/laguner/bräckta havsområden mangroveskogar myrar/sumpmarker	floder/strömmar sjöar/dammar Grottor uteslutande

Highighted items on the list are where Eleutheronema tetradactylum may be found.

Habitat

Substrat	Benthic; Soft Bottom: sand; mud;
Substrat Ref.
Särskilda livsmiljöer	Coral Reefs;
Särskilda livsmiljöer Ref.	Nguyen, N.T. and V.Q. Nguyen, 2006

Föreningar

Ref.
Föreningar
Associerad med
Anmärkningar från föreningen
Parasitism

Föda

Typ av föda	mainly animals (troph. 2.8 and up)
Typ av matning Ref.	Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Födosöksstrategi	hunting macrofauna (predator)
Utfodringsvanor Ref.	Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993

Trophic Level(s)

Estimation method	Ursprungligt prov		Ofiskad population		Kommentar
Estimation method	Troph	s.e.	Troph	s.e.	Kommentar
Från födosammansättning	4.06	0.47	4.61	0.92	Troph of juv./adults from 2 studies.
Från individuella födoämnen	4.11	0.70			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Salini, J.P., D.T. Brewer and S.J.M. Blaber, 1998

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Aquatic zones / Water bodies

Habitat

Föreningar

Föda