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Research on Freshwater Fishes

All Catfish Species Inventory





The All Catfish Species Inventory (ACSI), funded by the U.S. National Science Foundation and headquarted at the Florida Museum of Natural History, is expected to result in the discovery and description of up to 1,750 new species of catfishes and, ultimately, in the description of between 2,300 and 4,600 new species of freshwater fishes. It will result in the completed taxonomy of a globally diverse taxon, Siluriformes, and later in the completed taxonomy of Otophysi, the clade containing over two-thirds of all freshwater fishes.

Products of ACSI will include a completed taxonomy of catfishes with up-to-date identification guides, atlases, catalogues and checklists of species, phylogenetic studies of higher-level relationships among catfishes and an improved predictive classification, large samples of freshwater fishes from poorly collected regions added to permanent collections in U.S. and foreign institutions, and enhanced international communication among fish taxonomists. For more information, see the ACSI project's website: http://silurus.acnatsci.org