General Information

Event name: US-07-006
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): PSP and saxitoxin puffer fish poisoning (SPFP) prevention is managed by state -- no food poisoning incidents reported in 2007
Report the outcome of a monitoring programme: Yes (State of Florida HAB Monitoring Program)
Event occurred before in this location: Yes (There are yearly Pyrodinium blooms and saxitoxins detected in multiple species since the SPFP incidents that started in 2002.)
Individuals to contact: LANDSBERG, Jan

Location & Date

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Location: Latitude: , Longitude:
General location information: Florida East Coast, Indian River Lagoon
HAB Area code(s): US-15
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Pyrodinium bahamense (49667 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 6.2 Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 31.5 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Hard clam Mercenaria sp. Saxitoxins 159.24 ug/100g Bioassay-Mouse
Kit used: Yes Type of kit used: ELISA Ridascreen, RDA
Additional information: Assay data available
Economic losses: Closed Shellfish beds, no estimate of loss.
Management decision: Followed Biotoxin Control Plan -- closed shellfish harvesting areas affected; opened when <80ug STX eq./100g tissue. Puffer fish ban still in place since 2002.
Additional harmful effect information: