Ecology Summary - Umbra pygmaea
Ecologia de Umbra pygmaea
 
Ref. principal Page, L.M. and B.M. Burr, 1991
Notas Occur in quiet streams, sloughs, swamps and other wetlands over sand, mud and debris, often among dense vegetation. Juveniles also found among aquatic vegetation, often forming schools of 10-12 individuals (Ref. 39069). Wide range of occurrence with respect to the pH of the water, the habitats are characterized by low alkalinity and ionic content (Ref. 59260). Feeds on insect larvae, worms, mollusks, and crustaceans (Ref. 30578).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • zona supra-litoral
  • zona litoral
  • zona sublitoral
  • epipelágico
  • mesopelágico
  • epipelágico
  • abissalpelágico
  • hadopelágico
  • Estuários/lagunas/áreas estuarinas
  • mangais
  • pântanos
  • rios/correntes
  • lagos/lagoas
  • Grutas
  • exclusivamente
Highighted items on the list are where Umbra pygmaea may be found.

Habitat

Substrato Soft Bottom: sand; mud;
Substrato Ref.
Special habitats vegetation
Habitats especiais Ref.

Associações

Ref. Gordon, M.S., 1948
Associações schooling;
Associado a
Observações da associação
Parasitism

Alimentação

Tipo de alimentação mainly animals (troph. 2.8 and up)
Tipo de alimentação Ref. Billard, R., 1997
Hábito alimentar variable
Hábito alimentar Ref.
Trophic Level(s)
Estimation method Amostra original População virgem (não pescada) Nota
Troph s.e. Troph s.e.
Da composição da dieta
Dos itens alimentares individuais 3.25 0.39 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(ex. 9948)
(ex. oophagy)
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Comentários & correcções
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