Augustine Everglades Florida Southeast Coast Hillsborough Kissimmee Kissimmee Lake Okeechobee Little Manatee Lower St. Lower Tallapoosa Patsaliga South Atlantic-Gulf Regionīill Williams Lake Mead Lower Colorado Lower Gila Lower Salt Middle Gila Upper Gila-San Carlos Reservoir Upper San Pedro Upper Santa CruzĪlafia Apalachicola Big Cypress Swamp Caloosahatchee Cape Canaveral Charlotte Harbor Crystal-Pithlachascotee Daytona-St. The list of references for all nonindigenous occurrences of Oreochromis aureus are found here. Names and dates are hyperlinked to their relevant specimen records. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Interactive maps: Point Distribution Maps These two species can generally be distinguished by the following characteristics (Trewavas 1983):
aureus, likely imported from Israel, before the two species were shown to be distinct (Trewavas 1983).īlue Tilapia is closely related to, and often confused with, Nile Tilapia ( O. Many or most accounts of " Tilapia nilotica" in U.S. Color photographs were presented in Axelrod et al. Illustrations and diagnoses of larval and small juveniles of introduced populations were given by McGowan (1988). continuous in centrarchids).ĭistinguishing characteristics, synonyms, photographs, keys, and discussion of hybrids were provided in Trewavas (1983) for identification also see Page and Burr (1991), and Skelton (1993). two in centrarchids) and the presence of a discontinuous or two-part lateral line (vs. Cichlids can be distinguished from centrarchids by a single nostril opening on each side of the head (vs. Identification: In general, cichlids (Cichlidae) are superficially similar to sunfishes and black basses ( Lepomis and Micropterus family Centrarchidae).
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