YEAR

LOCATION

CAUSATIVE SPECIES

CONSEQUENCES

1981

Tamil Nadu

-

Paralytic shellfish poisoning (PSP), 85 hospitalized, 3 died due to the consumption of bloom affected mussel Meretrix casta

1983

Mangalore, Karnataka

-

Paralytic shell poisoning (PSP)

1996

Mangalore, Karnataka

Gymnodinium catenatum

-

1997

Kerala

-

PSP in 3 villages of Kerala, 3 died, over 500 hospitalised following consumption of mussel Perna indica

2001

Goa

Cochlodinium polykrikoides

A toxic algal bloom in Goa waters by hitherto unreported dinoflagellate Cochlodinium polykrikoides, fish mortality observed, cause not identified

2004

Kerala

-

A bloom in 3-4 villages along Kerala coast, 200 hospitalized, large fish kills reported