Taxonomic revision, ecology and endangerment categorization of the Andean catfish Astroblepus ubidiai (Teleostei: Astroblepidae)

Taxonomic revision, ecology and endangerment categorization of the Andean catfish Astroblepus... Categorizing a species of concern as endangered requires basic information about habitat, population trends, life history, metapopulation structure, and geographic distribution. The Red List and Red Data books of the World Conservation Union (IUCN) are among the most widely used tools to identify species levels of threat. The aim of this paper is to evaluate the endangerment status of the Andean catfish Astroblepus ubidiai (Pellegrin, 1931) based on data about population growth rates, effective population size, abundance, area of occupancy, extent of occurrence, number of subpopulations, and habitat quality assessed through the IUCN criteria. All studied populations of A. ubidiai were categorized as “critically endangered” based on the area of occupancy criterion. However threats exist from the perspective of other criteria such as habitat quality, number of adults in the population and effective population size. This paper clarifies some aspects of the taxonomy and the geographic range of this unique high-altitude Andean Siluriforme, and also provides the first description of its basic ecology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

Taxonomic revision, ecology and endangerment categorization of the Andean catfish Astroblepus ubidiai (Teleostei: Astroblepidae)

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2003 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Zoology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1007/s11160-004-1096-8
Publisher site
See Article on Publisher Site

Abstract

Categorizing a species of concern as endangered requires basic information about habitat, population trends, life history, metapopulation structure, and geographic distribution. The Red List and Red Data books of the World Conservation Union (IUCN) are among the most widely used tools to identify species levels of threat. The aim of this paper is to evaluate the endangerment status of the Andean catfish Astroblepus ubidiai (Pellegrin, 1931) based on data about population growth rates, effective population size, abundance, area of occupancy, extent of occurrence, number of subpopulations, and habitat quality assessed through the IUCN criteria. All studied populations of A. ubidiai were categorized as “critically endangered” based on the area of occupancy criterion. However threats exist from the perspective of other criteria such as habitat quality, number of adults in the population and effective population size. This paper clarifies some aspects of the taxonomy and the geographic range of this unique high-altitude Andean Siluriforme, and also provides the first description of its basic ecology.

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Dec 30, 2004

References

  • Making consistent IUCN classifications under uncertainty
    Akcakaya, H.R.; Ferson, S.; Burgman, M.A.; Keith, D.A.; Mace, G.M.; Todd, C.A.
  • Comparative phylogeography of neotropical freshwater fishes: testing shared history to infer the evolutionary landscape of lower Central America
    Bermingham, E.; Martin, A.P.

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