1/14/2025: Xenostrobus securis found in United States (California)
USGS Nonindigenous Aquatic Species Alert - 01/14/25 - axe-head mussel (Xenostrobus securis) was f...
1/3/2025: Myocastor coypus found in Mississippi
*Bonus* USGS Nonindigenous Aquatic Species Alert - 01/03/25 - nutria (Myocastor coypus) was found...
12/30/2024: Charybdis hellerii found in the Salkehatchie Subbasin (South Carolina)
USGS Nonindigenous Aquatic Species Alert - 12/30/24 - Indo-Pacific swimming crab (Charybdis helle...
12/19/2024: Faxonius virilis found in the Lehigh Subbasin (Carbon County, Pennsylvania)
USGS Nonindigenous Aquatic Species Alert - 12/19/24 - Virile Crayfish (Faxonius virilis) was foun...
11/20/2024: Vieja maculicauda found in PR
USGS Nonindigenous Aquatic Species Alert - 11/20/24 - Blackbelt Cichlid (Vieja maculicauda) was f...
11/19/2024: Oreochromis sp. found in the Eastern Louisiana Coastal Subbasin (Jefferson County, Louisiana)
USGS Nonindigenous Aquatic Species Alert - 11/19/24 - tilapia (Oreochromis sp.) was found in the ...
11/15/2024: Hoplosternum littorale found in the Lower Suwannee Subbasin (Lafayette County, Florida)
USGS Nonindigenous Aquatic Species Alert - 11/15/24 - Brown Hoplo (Hoplosternum littorale) was fo...
11/8/2024: Dreissena polymorpha found in Polk County (Iowa)
USGS Nonindigenous Aquatic Species Alert - 11/08/24 - zebra mussel (Dreissena polymorpha) was fou...
11/5/2024: Hydrocleys nymphoides found in California
USGS Nonindigenous Aquatic Species Alert - 11/05/24 - waterpoppy (Hydrocleys nymphoides) was foun...
11/5/2024: Procambarus clarkii found in Gwinnett County (Georgia)
USGS Nonindigenous Aquatic Species Alert - 11/05/24 - Red Swamp Crayfish (Procambarus clarkii) wa...
6/13/2019: Alligator mississippiensis found in the Upper Ohio Subbasin (Pennsylvania)
USGS Nonindigenous Aquatic Species Alert - 06/13/19 - American alligator (Alligator mississippien...
6/11/2019: Xiphophorus maculatus found in Martin County (Florida)
USGS Nonindigenous Aquatic Species Alert - 06/11/19 - Southern Platyfish (Xiphophorus maculatus) ...
6/11/2019: Monopterus albus found in New York
USGS Nonindigenous Aquatic Species Alert - 06/11/19 - Asian Swamp Eel (Monopterus albus) was foun...
6/10/2019: Cipangopaludina chinensis found in the Cohansey-Maurice Subbasin (Salem County, New Jersey)
USGS Nonindigenous Aquatic Species Alert - 06/10/19 - Chinese mysterysnail (Cipangopaludina chine...
6/7/2019: Mylopharyngodon piceus found in the Highland-Pigeon Subbasin (Union County, Kentucky)
USGS Nonindigenous Aquatic Species Alert - 06/07/19 - Black Carp (Mylopharyngodon piceus) was fou...
6/6/2019: Proterorhinus semilunaris found in the Cheboygan Subbasin (Cheboygan County, Michigan)
USGS Nonindigenous Aquatic Species Alert - 06/06/19 - Freshwater Tubenose Goby (Proterorhinus sem...
6/4/2019: Potamopyrgus antipodarum found in New Mexico
USGS Nonindigenous Aquatic Species Alert - 06/04/19 - New Zealand mudsnail (Potamopyrgus antipoda...
6/3/2019: Cipangopaludina chinensis found in the Lower White Subbasin (Monroe County, Indiana)
USGS Nonindigenous Aquatic Species Alert - 06/03/19 - Chinese mysterysnail (Cipangopaludina chine...
5/31/2019: Piaractus brachypomus found in the Medina Subbasin (Bandera County, Texas)
USGS Nonindigenous Aquatic Species Alert - 05/31/19 - pirapatinga, red-bellied pacu (Piaractus br...
5/31/2019: Trachemys scripta found in Virginia Beach City County (Virginia)
USGS Nonindigenous Aquatic Species Alert - 05/31/19 - Red-eared Slider (Trachemys scripta) was fo...