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Ecologia de Rhamdia quelen
 
Ref. principal Castro, R.M.C. and L. Casatti, 1997
Notas Ratio of digestive tube length/standard length: 1.1. Feeds mainly on insects (Ref. 28681). When feeding, they use their barbels to search for prey on the bottom, although they don't turn over the substrate (Ref. 27701).

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
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Grutas
  • exclusivamente
Highighted items on the list are where Rhamdia quelen may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Alimentação

Tipo de alimentação mainly animals (troph. 2.8 and up)
Feeding type Ref. Castro, R.M.C. and L. Casatti, 1997
Hábito alimentar hunting macrofauna (predator)
Feeding habit Ref. Mérigoux, S. and D. Ponton, 1998
Trophic Level(s)
Estimation method Amostra original População virgem (não pescada) Nota
Troph s.e. Troph s.e.
Da composição da dieta 3.92 0.26 3.15 0.40 Troph of juv./adults from 2 studies.
Dos itens alimentares individuais 3.34 0.49 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref. Castro, R.M.C. and L. Casatti, 1997
(ex. 346)
(ex. cnidaria)
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