Invasion

Invasion Description

1st Record: New Haven/CT/New Haven Harbor ('occurs in abundance on southern oysters which are planted here; whether it is naturalized is doubtful'; 1869, Perkins 1871)

Geographic Extent

New Haven/CT/New Haven Harbor (1869, Perkins 1871); Norwalk Point/CT/Long Island Sound (1911, USNM 225304); CT-NY/Long Island Sound (1934, USNM 407179)