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| NAS - Nonindigenous Aquatic Species |
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Common Name: Raphael catfish
Synonyms and Other Names: striped raphael, chocolate catfish, bacu.
Taxonomy: available through 
Identification: Higuchi (1992) gave a brief diagnosis of the genus. Keys to doradid genera and species were given by Eigenmann (1925) and a key to doradid genera appeared in Burgess (1989); however, the information should be considered dated or suspect. A few distinguishing characteristics and color photographs of live fish appeared in Burgess (1989). A photograph of the species also appeared in Sands (1984) and Ferraris (1991).
Size: To about 15 cm SL.
Native Range:
Tropical America. South America, from Venezuela and Guianas to Argentina (Robins et al. 1991b).
Nonindigenous Occurrences: This species was reported from an unspecified locality in Florida (Courtenay et al. 1984; Courtenay and Stauffer 1990; Courtenay et al. 1991; Robins et al. 1991b). The record was probably from the period 1979 to 1984.
Means of Introduction: This fish was probably an aquarium release.
Status: Reported from Florida.
Impact of Introduction: Unknown.
Remarks: This species is one of the more common doradids in the aquarium trade. There are no known voucher specimens.
Burgess, W. E. 1989. An atlas of freshwater and marine catfishes: a preliminary survey of the Siluriformes. Tropical Fish Hobbyist Publications, Inc., Neptune City, NJ.
Courtenay, W. R., Jr., and J. R. Stauffer, Jr.. 1990. The introduced fish problem and the aquarium fish industry. Journal of the World Aquaculture Society 21(3):145-159.
Courtenay, W. R., Jr., D. A. Hensley, J. N. Taylor, and J. A. McCann. 1984. Distribution of exotic fishes in the continental United States. Pages 41-77 in W. R. Courtenay, Jr., and J. R. Stauffer, Jr., editors. Distribution, biology and management of exotic fishes. Johns Hopkins University Press, Baltimore, MD.
Courtenay, W. R., Jr., D. P. Jennings, and J. D. Williams. 1991. Appendix 2: exotic fishes. Pages 97-107 in Robins, C. R., R. M. Bailey, C. E. Bond, J. R. Brooker, E. A. Lachner, R. N. Lea, and W. B. Scott. Common and scientific names of fishes from the United States and Canada, 5th edition. American Fisheries Society Special Publication 20. American Fisheries Society, Bethesda, MD.
Ferraris, C. J., Jr. 1991. Catfish in the aquarium. Tetra Press, Morris Plains, NJ.
Robins, C. R., R. M. Bailey, C. E. Bond, J. R. Brooker, E. A. Lachner, R. N. Lea, and W. B. Scott. 1991b. World fishes important to North Americans exclusive of species from the continental waters of the United States and Canada. American Fisheries Society Special Publication 21. American Fisheries Society, Bethesda, MD. 243 pp.
Other Resources:
FishBase Fact Sheet
Author: Leo Nico
Revision Date: 6/23/2004 Citation for this information:
Leo Nico. 2009. Platydoras costatus. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
<http://nas.er.usgs.gov/queries/FactSheet.asp?speciesID=665> Revision Date: 6/23/2004
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