Ecology Summary - Eleutheronema tetradactylum
Ecologia de Eleutheronema tetradactylum
 
Ref. principal Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Notas 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 zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • Estuários/lagunas/áreas estuarinas
  • manguezais
  • pântanos/brejos
  • rivers/streams
  • lakes/ponds
  • Cavernas
  • exclusivamente
Highighted items on the list are where Eleutheronema tetradactylum may be found.

Habitat

Substrato Benthic; Soft Bottom: sand; mud;
Substrate Ref.
Habitats especiais Coral Reefs;
Special habitats Ref. Nguyen, N.T. and V.Q. Nguyen, 2006

Associações

Ref.
Associações
Associada com
Comentários sobre associação
Parasitismo

Alimentação

Tipo de alimentação mainly animals (troph. 2.8 and up)
Feeding type Ref. Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Hábito alimentar hunting macrofauna (predator)
Feeding habit Ref. Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993
Trophic Level(s)
Estimation method Amostra original População virgem (não pescada) Nota
Troph s.e. Troph s.e.
Da composição da dieta 4.06 0.47 4.61 0.92 Troph of juv./adults from 2 studies.
Dos itens alimentares individuais 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
(p.ex. 346)
(p.ex. oophagy)
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Comentários & Correções
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