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Ecología de Gymnocephalus cernua
 
Referencia principal Novoselov, A.P., 1987
Distribución
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
 Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
 Brackishwater
  • Estuarios/lagunas/mares salobres
  • mangroves
  • marshes/swamps
 Freshwater
  • rivers/streams
  • lakes/ponds
  • Cuevas
  • exclusivamente
Highighted items on the list are where Gymnocephalus cernua may be found.
Observaciones Inhabits lakes, quiet pools and margins of streams. Prefers deep water with deposits of sand and gravel (Ref. 9696). The membranous external walls of the head canals of this species provide high directional sensitivity; can feed at night in the dark using the lateral line system; feeds on zooplankton, chironomids, oligochaetes and amphipods (Ref. 10999).

Substrate

Substrate Soft Bottom: sand; Hard Bottom: rocky;
Substrate Ref. Vostradovsky, J., 1973
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 Novoselov, A.P., 1987
Hábito De Alimentación variable
Feeding habit ref Novoselov, A.P., 1987
Nivel(es) trófico(s)
Muestra original Población no pescada Observación
Método de estimación Troph s.e. Troph s.e.
De la composición de la dieta 3.32 0.28
Referencia Novoselov, A.P., 1987
De tipos individuales de alimento 3.26 0.57 Trophic level estimated from a number of food items using a randomized resampling routine.
(por ej. 346)
(por ej. cnidaria)
Entrado por Sa-a, Pascualita on 03.31.95
Modificado por Luna, Susan M. on 03.23.15
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