Global diversity of crabs (Aeglidae: Anomura: Decapoda) in freshwater |
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| Authors: | Georgina Bond-Buckup Carlos G. Jara Marcos Pérez-Losada Ludwig Buckup Keith A. Crandall |
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| Affiliation: | (1) Departamento de Zoologia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil;(2) Instituto de Zoología, Universidad Austral de Chile, Casilla 567, Valdivia, Chile;(3) Department of Biology, Brigham Young University, Provo, Utah 84602-5181, USA;(4) Monte L. Bean Life Science Museum, Brigham Young University, Provo, Utah 84602-5181, USA |
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| Abstract: | The freshwater anomuran crabs of the family Aeglidae are all restricted to southern South America occurring in Chile, Brazil, Bolivia, Uruguay, Paraguay, and Argentina. The family consists of a single genus, Aegla, containing 63 currently described species. There are another 5–10 known yet undescribed species to complement this diversity. The aeglids occur in freshwater lakes, streams, rivers, and in caves with freshwater. The origin of the family appears to be from marine ancestors from the Pacific invading streams in Chile about 75 mya radiating both in Chile and again on the eastern side of the Andes, particularly in Brazil. Of the 63 species, 23 or 36.5% are considered under threat and are in need of conservation action. Guest editors: E. V. Balian, C. Lévêque, H. Segers & K. Martens Freshwater Animal Diversity Assessment |
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| Keywords: | Conservation Freshwater biology Crab Decapoda Anomura Aeglidae Diversity South America |
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