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Ecología de Rhamdia quelen
 
Referencia principal Castro, R.M.C. and L. Casatti, 1997
Observaciones 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
  • Estuarios/lagunas/mares salobres
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • Cuevas
  • exclusivamente
Highighted items on the list are where Rhamdia quelen may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Referencia
Associations
Associated with
Association remarks
Parasitism

Alimentación

Tipo De Alimentación mainly animals (troph. 2.8 and up)
Feeding type Ref. Castro, R.M.C. and L. Casatti, 1997
Hábito De Alimentación hunting macrofauna (predator)
Feeding habit Ref. Mérigoux, S. and D. Ponton, 1998
Trophic Level(s)
Estimation method Muestra original Población no pescada Observación
Troph s.e. Troph s.e.
De la composición de la dieta 3.92 0.26 3.15 0.40 Troph of juv./adults from 2 studies.
De tipos individuales de alimento 3.34 0.49 Trophic level estimated from a number of food items using a randomized resampling routine.
Referencia Castro, R.M.C. and L. Casatti, 1997
(por ej. 346)
(por ej. cnidaria)
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