9/8/2026: Pylodictis olivaris found in the Canoochee Subbasin (Georgia)
USGS Nonindigenous Aquatic Species Alert - 09/08/26 - Flathead Catfish (Pylodictis olivaris) was ...
8/28/2026: Limnoperna fortunei found in California
*Bonus* USGS Nonindigenous Aquatic Species Alert - 08/28/26 - Golden Mussel (Limnoperna fortunei)...
8/27/2026: Potamopyrgus antipodarum found in the Big Thompson Subbasin (Colorado)
USGS Nonindigenous Aquatic Species Alert - 08/27/26 - New Zealand mudsnail (Potamopyrgus antipoda...
8/27/2026: Pomacea maculata found in the Red Chute Subbasin (Bossier County, Louisiana)
USGS Nonindigenous Aquatic Species Alert - 08/27/26 - giant applesnail (Pomacea maculata) was fou...
8/24/2026: Limnoperna fortunei found in California
*Bonus* USGS Nonindigenous Aquatic Species Alert - 08/24/26 - Golden Mussel (Limnoperna fortunei)...
8/21/2026: Limnoperna fortunei found in the Suisun Bay Subbasin (Solano County, California)
*Bonus* USGS Nonindigenous Aquatic Species Alert - 08/21/26 - Golden Mussel (Limnoperna fortunei)...
8/19/2026: Faxonius rusticus found in the Ausable River Subbasin (Essex County, New York)
USGS Nonindigenous Aquatic Species Alert - 08/19/26 - Rusty Crayfish (Faxonius rusticus) was foun...
8/19/2026: Faxonius rusticus found in Luzerne County (Pennsylvania)
USGS Nonindigenous Aquatic Species Alert - 08/19/26 - Rusty Crayfish (Faxonius rusticus) was foun...
7/21/2026: Cipangopaludina chinensis found in Schuylkill County (Pennsylvania)
USGS Nonindigenous Aquatic Species Alert - 07/21/26 - Chinese mysterysnail (Cipangopaludina chine...
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...