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  • Gambusia affinis
  • Gambusia affinisFemale
  • Gambusia affinisMale
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Scientific Name Gambusia affinis    (Baird & Girard, 1853)
Common Name Western Mosquito-fish
Type Locality Rio Medina and Rio Salado, Texas, U.S.A.
Synonym(s) Fundulus inurus, Gambusia affinis affinis, Gambusia affinis katruelis, Gambusia gracilis, Gambusia humilis, Gambusia patruelis, Haplochilus melanops, Heterandria affinis, Heterandria patruelis, Zygonectes brachypterus, Zygonectes gracilis, Zygonectes inurus, Zygonectes patruelis
Pronunciation ah fin iss
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Size 40mm or 1.6" SL. Find near, nearer or same sized spp.
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Distribution North and Central America: Mississippi River basin from central Indiana and Illinois in USA south to Gulf of Mexico and Gulf Slope drainages west to Mexico. One of the species with the widest range of introductions which acquired for itself a near pan-global distribution. Several countries report adverse ecological impact after introduction.
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Breeding Reports There is no breeding report.
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Reference Proceedings of the Academy of Natural Sciences of Philadelphia v. 6, pp 390
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Gambusia affinis QR code LFS label creator
ARN ref:7.32.521.3132
Last Update 2025 Jan 01 13:01 (species record created: 2011 Apr 13 08:54)