7/15/2026: Saururus cernuus found in California
USGS Nonindigenous Aquatic Species Alert - 07/15/26 - lizard's tail (Saururus cernuus) was found ...
7/10/2026: Cyperus blepharoleptos found in the Bayou Bartholomew Subbasin (Lincoln County, Arkansas)
USGS Nonindigenous Aquatic Species Alert - 07/10/26 - Cuban bulrush (Cyperus blepharoleptos) was ...
7/9/2026: Marsilea quadrifolia found in the Grand Subbasin (Ashtabula County, Ohio)
USGS Nonindigenous Aquatic Species Alert - 07/09/26 - European water-clover (Marsilea quadrifolia...
7/1/2026: Limnoperna fortunei found in California
*Bonus* USGS Nonindigenous Aquatic Species Alert - 07/01/26 - Golden Mussel (Limnoperna fortunei)...
7/1/2026: Limnoperna fortunei found in the Coyote Subbasin (Santa Clara County, California)
USGS Nonindigenous Aquatic Species Alert - 07/01/26 - Golden Mussel (Limnoperna fortunei) was fou...
7/1/2026: Limnoperna fortunei found in Yolo County (California)
USGS Nonindigenous Aquatic Species Alert - 07/01/26 - Golden Mussel (Limnoperna fortunei) was fou...
7/1/2026: Arundo donax found in the Lower White Subbasin (Arkansas County, Arkansas)
USGS Nonindigenous Aquatic Species Alert - 07/01/26 - giantreed (Arundo donax) was found in the L...
7/1/2026: Hydrilla verticillata found in Greene County (Georgia)
USGS Nonindigenous Aquatic Species Alert - 07/01/26 - whorled hydrilla (Hydrilla verticillata) 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...