8/13/2025: Najas minor found in the Lower Big Blue Subbasin (Pottawatomie County, Kansas)
USGS Nonindigenous Aquatic Species Alert - 08/13/25 - brittle waternymph (Najas minor) was found ...
8/13/2025: Najas minor found in the Flint Subbasin (Genesee County, Michigan)
USGS Nonindigenous Aquatic Species Alert - 08/13/25 - brittle waternymph (Najas minor) was found ...
8/6/2025: Butomus umbellatus found in Oklahoma
USGS Nonindigenous Aquatic Species Alert - 08/06/25 - flowering rush (Butomus umbellatus) was fou...
8/4/2025: Nymphoides peltata found in Northumberland County (Pennsylvania)
USGS Nonindigenous Aquatic Species Alert - 08/04/25 - yellow floating-heart (Nymphoides peltata) ...
7/31/2025: Corbicula fluminea found in the Alsea Subbasin (Lincoln County, Oregon)
USGS Nonindigenous Aquatic Species Alert - 07/31/25 - freshwater golden clam (Corbicula fluminea)...
7/28/2025: Limnoperna fortunei found in the Middle Kern-Upper Tehachapi-Grapevine Subbasin (California)
USGS Nonindigenous Aquatic Species Alert - 07/28/25 - Golden Mussel (Limnoperna fortunei) was fou...
7/28/2025: Osteopilus septentrionalis found in the Upper West Fork Trinity Subbasin (Wise County, Texas)
USGS Nonindigenous Aquatic Species Alert - 07/28/25 - Cuban Treefrog (Osteopilus septentrionalis)...
7/28/2025: Cipangopaludina chinensis found in the Ohio Brush-Whiteoak Subbasin (Scioto County, Ohio)
USGS Nonindigenous Aquatic Species Alert - 07/28/25 - Chinese mysterysnail (Cipangopaludina chine...
7/24/2025: Procambarus clarkii found in Van Buren County (Michigan)
USGS Nonindigenous Aquatic Species Alert - 07/24/25 - Red Swamp Crayfish (Procambarus clarkii) wa...
7/22/2025: Faxonius rusticus found in Chittenden County (Vermont)
USGS Nonindigenous Aquatic Species Alert - 07/22/25 - Rusty Crayfish (Faxonius rusticus) was foun...
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...