Ecology Summary - Ituglanis passensis

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Main Ref.	Fernández, L. and M.E. Bichuette, 2002
Remarks	Occurs in small riffles with slow current 15-20 cm deep on average. Exhibits cryptobiotic habits, hiding in the gravel bottom or under limestone blocks. No observed agonistic behavior. Water temperature (19-20°C) and pH (7.6-8.4) of location inhabited by this fish from 1999-2001 vary little during the dry, or at the end of the rainy, seasons. Temperature at the epigean reach, 18.7-22.8°C, presumably as a consequence of the buffering effect of the subterranean environment (Ref. 46923).

Main Ref.

Fernández, L. and M.E. Bichuette, 2002

Remarks

Occurs in small riffles with slow current 15-20 cm deep on average. Exhibits cryptobiotic habits, hiding in the gravel bottom or under limestone blocks. No observed agonistic behavior. Water temperature (19-20°C) and pH (7.6-8.4) of location inhabited by this fish from 1999-2001 vary little during the dry, or at the end of the rainy, seasons. Temperature at the epigean reach, 18.7-22.8°C, presumably as a consequence of the buffering effect of the subterranean environment (Ref. 46923).

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	estuaries/lagoons/brackish seas mangroves marshes/swamps	rivers/streams lakes/ponds caves exclusively in caves

Highighted items on the list are where Ituglanis passensis may be found.

Habitat

Substrate	Hard Bottom;
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type
Feeding type Ref.
Feeding habit
Feeding habit Ref.

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items
Ref.

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