Overview

Comprehensive Description

T. alterus ,

FML 2085, 19 specimens (C&S).

  • Luis Fernández, Roberto Quispe Chuquihuamani (2007): A new species of Trichomycterus (Siluriformes: Trichomycteridae) from the Andean Cordillera of Perú with comments on relationships within the genus. Zootaxa 1545, 49-57: 50-50, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:B3AF9BBA-6758-47E5-AF1F-9CF7209B3E9C
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Biology

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 (Ref. 43677).
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Distribution

South America: Humahuaca (Jujuy), Los Sauces River, Valle Guanchin (La Rioja) in Argentina.
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Humahuaca (Jujuy), Los Sauces River and Valle Guanchis (La Rioja), Argentina.
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Physical Description

Morphology

Dorsal soft rays (total): 10 - 13; Analsoft rays: 9 - 10
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Size

Max. size

9.3 cm NG (male/unsexed; (Ref. 39970))
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Trophic Strategy

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).
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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