General Information

Event name: US-19-019
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (FWC/FWRI HAB Monitoring Program)
Event occurred before in this location: Yes (Since 2016)
Individuals to contact: HUBBARD, Katherine

Location & Date

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Location: Latitude: , Longitude:
General location information: Southwest Florida, West coast of Florida
HAB Area code(s): US-16
Additional location information: bloom primarily spanned inshore and coastal waters but was spatially and temporally patchy
Bloom event dates (yyyy/mm/dd): Start: 2019-06-11, End: 2019-08-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Overlapped with seasonal closure


Causative organism known: Yes
Causative Species/Genus: Pyrodinium bahamense (323,427 cells/L)
PSP producer
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: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mercenaria mercenaria, Crasseotrea virginica Saxitoxins N/a Bioassay-Mouse
Kit used: Type of kit used:
Additional information: seasonal closure already in place; testing conducted prior to reopening
Economic losses:
Management decision: Seasonal closure ended on time
Additional harmful effect information:
Created at 04:48 on 8 Apr 2020
Updated at 04:50 on 8 Apr 2020