General Information

Event name: US-05-003
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Human poisoning events are followed up by Florida Department of Health)
Event occurred before in this location: Yes (Puffer Fish poisoning incidents from 2002-2004. 21 pufferfish poisoning cases in 2002; 3 in 2003, 4 in 2004, 0 in 2005)
Individuals to contact: LANDSBERG, Jan

Location & Date

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Location: Latitude: , Longitude:
General location information: Indian River Lagoon north, near Titusville, North East Florida Coast
HAB Area code(s): US-15
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2005-09-27, End: 2005-10-17
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Multiple sites monitored throughout the Indian River Lagoon (IRL) - affected area in the north - station lat/long provided.


Causative organism known: Yes
Causative Species/Genus: Pyrodinium bahamense (301,600 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: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mercenaria Saxitoxins 374 ug STX eq./100 g Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Puffer fish harvesting in the Indian River Lagoon has been banned by the FWC since 2002; routine PSP monitoring implemented since 2002. Saxitoxin concentrations in Mercenaria just over action limit on 9/27/05 - shellfish beds closed until below 80 ug STX/
Additional harmful effect information: