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Ecologia de Trichomycterus alterus
 
Ref. principal Fernández, L. and R.P. Vari, 2002
Notas Collected from mountainous rivers and streams generally 0.5-4 m wide and 0.2-1 m deep, with clear waters running over sandy and rock-pebble substrates, at elevations of about 500-2,500 m. Stomach contents include dipteran larvae (Chironomidae and Ceratopogonidae), coleopterans (Elmidae), and ostracod crustaceans. Diet of autochthonous benthic macroinvertebrates (Ref. 43677).

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 Trichomycterus alterus may be found.

Habitat

Substrato
Substrate Ref.
Habitats especiais
Special habitats Ref.

Associações

Ref.
Associações
Associada com
Comentários sobre associação
Parasitismo

Alimentação

Tipo de alimentação mainly animals (troph. 2.8 and up)
Feeding type Ref.
Hábito alimentar hunting macrofauna (predator)
Feeding habit 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 3.28 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(p.ex. 346)
(p.ex. cnidaria)
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cfm script by eagbayani,  ,  php script by rolavides, 2/5/2008 ,  modificado pela última vez por mbactong, 10/24/19