Ecology Summary - Percilia irwini

Langue:

Réf. Princ.	Ruiz, V.H. and T.M. Berra, 1994
Remarques	Exhibits a gradient of abundance from low numbers in rithral/transitional habitats in headwater areas to higher numbers in potamal areas in the middle-lower reaches in rivers. Bentho-pelagic ?sh inhabiting shallow (<1 m) and slow waters of lakes (Laja, Icalma and Galletue´ ) and rivers. They occur over boulders or a mixed substrate of boulders, gravel and sand patches. Feeds mainly on chironomid larvae and other aquatic insects (may?ies, caddis?ies) and small mollusks (Ref. 58887).

Réf. Princ.

Ruiz, V.H. and T.M. Berra, 1994

Remarques

Exhibits a gradient of abundance from low numbers in rithral/transitional habitats in headwater areas to higher numbers in potamal areas in the middle-lower reaches in rivers. Bentho-pelagic ?sh inhabiting shallow (<1 m) and slow waters of lakes (Laja, Icalma and Galletue´ ) and rivers. They occur over boulders or a mixed substrate of boulders, gravel and sand patches. Feeds mainly on chironomid larvae and other aquatic insects (may?ies, caddis?ies) and small mollusks (Ref. 58887).

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	Estuaires/lagons/zones saumâtres mangroves marais	rivers/streams lakes/ponds Grottes exclusivement

Highighted items on the list are where Percilia irwini may be found.

Habitat

Substrat	: sand; Hard Bottom: rocky;
Substrate Ref.
Habitats spéciaux
Special habitats Ref.

Associations

Réf.
Associations
Associé avec
Remarques sur les associations
Parasitisme

Prise alimentaire

Type de prise alimentaire	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Habit, E. and M.C. Belk, 2007
Habitude alimentaire	hunting macrofauna (predator)
Feeding habit Ref.	Habit, E. and M.C. Belk, 2007

Trophic Level(s)

Estimation method	Échantillon original		Population non pêchée		Remarque
Estimation method	Troph	s.e.	Troph	s.e.	Remarque
À partir du régime alimentaire
À partir des éléments alimentaires	3.30	0.43			Trophic level estimated from a number of food items using a randomized resampling routine.
Réf.

Vers Recherche

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