4521 Gambusia holbrooki Girard, 1859 Poeciliidae Poeciliids Poeciliinae Cyprinodontiformes Teleostei Eastern mosquitofish Introduced worldwide in tropical and subtropical countries. North America: Atlantic and Gulf Slope drainages from New Jersey south to Alabama in USA (Ref. 5723). Established throughout southern Europe (Ref. 59043). Introduced for mosquito control, but had rare to non-existing effects on mosquitoes, and negative to perhaps neutral impact on native fishes (Ref. 12217). Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki UBC 550092 29 N 81 W Gambusia affinis holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki AMNH 19767 Gambusia holbrooki AMNH 5225 Gambusia holbrooki P 84047.001584047.0024 31 N 5 E Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki Gambusia holbrooki AMNH 4249 1912 Gambusia holbrooki AMNH 4079 1912 Gambusia holbrooki AMNH 4041 1912 Gambusia holbrooki AMNH 218316 1951 Gambusia holbrooki AMNH 218323 1951 Gambusia holbrooki AMNH 218329 1951 Gambusia holbrooki AMNH 218344 1952 Gambusia holbrooki AMNH 218366 1952 Gambusia holbrooki AMNH 218405 1953 Gambusia holbrooki AMNH 218383 1953 Gambusia holbrooki AMNH 218389 1953 Gambusia holbrooki AMNH 218426 1953 Gambusia holbrooki AMNH 218461 1954 Gambusia holbrooki AMNH 218439 1954 Gambusia holbrooki AMNH 218526 1954 Gambusia holbrooki AMNH 218507 1954 Gambusia holbrooki AMNH 220174 1955 Gambusia holbrooki AMNH 220173 1955 Gambusia holbrooki AMNH 220271 1956 Gambusia holbrooki AMNH 220261 1956 Gambusia holbrooki AMNH 220288 1957 Gambusia holbrooki AMNH 220325 1958 Gambusia holbrooki AMNH 220329 1958 Gambusia holbrooki AMNH 39701 1964 Gambusia holbrooki AMNH 52245 1976 Gambusia holbrooki AMNH 58434 1986 Gambusia holbrooki AMNH 58447 1986 Gambusia holbrooki GCRL 26708 1995 Gambusia holbrooki GCRL 26729 1995 Gambusia holbrooki 1 m GCRL 26776 1995 Gambusia holbrooki 1 m GCRL 26785 1995 Gambusia holbrooki GCRL 26800 1995 Gambusia holbrooki AMNH 228065 1998 Gambusia holbrooki