Invasion

Invasion Description

1st Record: Madras region/India/Bay of Bengal (Gardner et al. 2016)

Perna perna, formerly identified as Perna indica, has a limited range in southern India and Sri Lanka. A genetic analysis indicates that P. perna was introduced to southern India from the Gulf of Oman 100+ years ago (Gardner et al. 2016).

Geographic Extent

Sri Lanka/Bay of Bengal (Siddall 1980); India/Bay of Bengal (Siddall 1980); Kalpakkam/India/Bay of Bengal (1990, Rajagopal et al. 1997, as P. indica); Kanyakumari to Tiruchendur/India/Bay of Bengal (Gardner et al. 2016, introduced from Gulf of Oman)