General Information

Event name: US-22-008
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish , Humans
Toxicity detected: Yes (Approximate range: 49.29 g/100g tissue)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Crassostrea virginica
Report the outcome of a monitoring programme: Yes (Florida Fish and Wildlife Conservation Commission-Fish and Wildlife Research Institute /Florida Department of Agriculture and Consumer Services)
Event occurred before in this location: Yes (annually)
Individuals to contact: HUBBARD, Katherine

Location & Date

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Location: Latitude: , Longitude:
General location information: Indian River Lagoon (IRL) and Mosquito Lagoon, East Coast of Florida
HAB Area code(s): US-15
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2022-07-18
Quarantine levels dates (yyyy/mm/dd): End: 2022-12-01
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Pyrodinium bahamense (2063336 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): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 34.6 °C, Min: 24.1 °C
Salinity Range During Event: Max: 34.4, Min: 13.8
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
Crassostrea virginica Saxitoxins 49.29 g/100g tissue Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting closures
Additional harmful effect information:
Created at 05:45 on 5 Apr 2023