Overview

Comprehensive Description

Rhizosomichthys totae

SU 37074 (2 ex.) Paratypes;

  • Wolmar Benjamin Wosiacki (2004): New species of the catfish genus Trichomycterus (Siluriformes, Trichomycteridae) from the headwaters of the rio São Francisco basin, Brazil. Zootaxa 592, 1-12: 9-9, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:003431F8-DD57-4C9A-ACF9-B7F180E65729
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Distribution

Range Description

Was known only from the Lake Tota basin.
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South America: Lake Tota basin in Colombia.
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Physical Description

Size

Max. size

13.8 cm (male/unsexed; (Ref. 39970))
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Ecology

Habitat

Habitat and Ecology

Systems
  • Freshwater
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Environment

benthopelagic; freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
EX
Extinct

Red List Criteria

Version
2.3

Year Assessed
1996
  • Needs updating

Assessor/s
World Conservation Monitoring Centre

Reviewer/s

Contributor/s

History
  • 1994
    Extinct
    (Groombridge 1994)
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Threats

Extinct (EX)
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Wikipedia

Rhizosomichthys totae

Rhizosomichthys totae (sometimes known as Greasefish[2]in English) was a species of catfish (order Siluriformes) of the family Trichomycteridae, and the only species of the genus Rhizosomichthys.[3] This fish grew to about 13.8 centimetres (5.4 in) and was endemic to Colombia where it occurred in the Lake Tota basin.[4] It is listed as an extinct species by the IUCN Red List.[1]

References[edit]

  1. ^ a b World Conservation Monitoring Centre (1996). "Rhizosomichthys totae". IUCN Red List of Threatened Species. Version 2014.1. International Union for Conservation of Nature. Retrieved 8 July 2014. 
  2. ^ Gene S. Helfman: Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources Island Press, 2007 ISBN 1-55963-596-7
  3. ^ Ferraris, Carl J., Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa 1418: 1–628. 
  4. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Rhizosomichthys totae" in FishBase. February 2012 version.
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