Ecology Summary - Hypopygus ortegai

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Main Ref.	de Santana, C.D. and W.G.R. Crampton, 2011
Remarks	Hypopygus ortegai occurs in small rainforest creeks – primarily in dense mats of tree roots along the edge of streams, especially in undercut banks. Stomach contents (N = 5) included a variety of autochthonous aquatic invertebrates – mostly larvae of Chironomidae, Trichoptera, Coleoptera, and Ephemeroptera, and some remains of small shrimps. Hypopygus ortegai occurs syntopically with H. lepturus. Whereas H. lepturus is found in groups of up to several dozen individuals, H. ortegai is usually only found in groups of no more than three or four individuals. Additionally, whereas H. lepturus is found in streams both under rainforest canopy and in open areas (e.g. cleared farmland), H. ortegai is restricted to streams under dense forest canopy (Ref. 88778).

Main Ref.

de Santana, C.D. and W.G.R. Crampton, 2011

Remarks

Hypopygus ortegai occurs in small rainforest creeks – primarily in dense mats of tree roots along the edge of streams, especially in undercut banks. Stomach contents (N = 5) included a variety of autochthonous aquatic invertebrates – mostly larvae of Chironomidae, Trichoptera, Coleoptera, and Ephemeroptera, and some remains of small shrimps. Hypopygus ortegai occurs syntopically with H. lepturus. Whereas H. lepturus is found in groups of up to several dozen individuals, H. ortegai is usually only found in groups of no more than three or four individuals. Additionally, whereas H. lepturus is found in streams both under rainforest canopy and in open areas (e.g. cleared farmland), H. ortegai is restricted to streams under dense forest canopy (Ref. 88778).

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 Hypopygus ortegai may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	de Santana, C.D. and W.G.R. Crampton, 2011
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	de Santana, C.D. and W.G.R. Crampton, 2011

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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Aquatic zones / Water bodies

Habitat

Associations

Feeding