By Name

Causative Organism Syndrome Affected Areas
Alexandrium spp. Paralytic shellfish poisoning
(PSP)
U.S. west coast including Alaska
New England coastal states
Canada
Chile
Brazil
Europe
South Africa
Asia
Australia
New Zealand
Dinophysis spp. Diarrhetic shellfish poisoning (DSP) Europe
Japan
Atlantic Canada
South Africa
Chile
Thailand
New Zealand
Australia
Gambierdiscus toxicus Ciguatera fish poisoning
(CFP)
Hawaii
Gulf of Mexico
Puerto Rico
Caribbean
Australia
many Pacific islands
Gymnodinium catenatum Paralytic shellfish poisoning
(PSP)
U.S. west coast
New England coastal states
Canada
Chile
Brazil
Europe
South Africa
Asia
Australia
New Zealand
Karenia brevis
Karenia brevisulcatum
Neurotoxic shellfish poisoning
(NSP)
U.S. Gulf coast
New Zealand
Karlodinium veneficum  fish kills
U.S. mid Atlantic coast
US southeast coast
US Gulf coast
Australia
South Africa
Lyngbya Swimmer's itch
Dermatitis
Australia
Florida
Worldwide throughout the tropics and subtropics
Pfiesteria piscicda
Pfiesteria spp.
Possible estuary-associated syndrome
(PEAS)
North Carolina
Maryland
Delaware
Prorocentrum lima Diarrhetic shellfish poisoning
(DSP)
Europe
Japan
Atlantic Canada
South Africa
Chile
Thailand
New Zealand
Australia
Protoperidinium crassipes Azaspiracid shellfish poisoning
(AZP)
England
Scotland
Ireland
France
Spain
Morocco
Norway
Pseudo-nitzchia spp. Amnesic shellfish poisoning
(ASP)
U.S. west coast including Alaska
Georges Bank
Atlantic Canada
Chile
United Kingdom
Australia
New Zealand
Pyrodinium bahamense var. compressum Paralytic shellfish poisoning
(PSP)
U.S. west coast including Alaska
New england coastal states
Canada
Chile
Brazil
Europe
South Africa
Asia
Australia
New Zealand

Fish Killing Species

Causative Organism Syndrome Affected Areas
Heterosigma akashiwo Fish kills Puget Sound 
British Columbia
Chile 
Scotland
Spain
Japan
China
Tasmania 
New Zealand
Karlondinium veneficum fish kills  U.S. mid Atlantic coast
US southeast coast
US Gulf coast
Australia
South Africa


Last updated: May 16, 2013