Invasion

Invasion Description

1st Record: Bolsa Chica Ecological Reserve at end of freshwater input, Huntington Bach/CA/Blasa Chica marshes (9/24/2015, USGS Nonindigenosu Aquatic Species Program 2015, "Most specimens, which are mostly immature, appear to have smoother 'sand-blasted' shells.")

Geographic Extent

Bolsa Chica Ecological Reserve at end of freshwater input, Huntington Bach/CA/Blasa Chica marshes (9/24/2015, USGS Nonindigenosu Aquatic Species Program 2015, "Most specimens, which are mostly immature, appear to have smoother 'sand-blasted' shells.")