General Information

Event name: US-11-009
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: N/D - 3191 g stx eq/100g (Mytilus))
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Maine Department of Marine Resources Biotoxin Monitoring Program)
Event occurred before in this location: Yes (Maine experiences PSP events on an annual basis.)
Individuals to contact: COUTURE, Darcie A.

Location & Date

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Location: Latitude: , Longitude:
General location information: western Maine coast (New Hampshire to Penobscot Bay), Gulf of Maine
HAB Area code(s): US-02
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2011-05-09, End: 2011-06-28
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense ( 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: °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
Mytilus edulis Saxitoxins STX eq 3191 g Bioassay-Mouse
Modiolus modiolus Saxitoxins STX eq 49 g Bioassay-Mouse
Mya arenaria Saxitoxins STX eq 198 g Bioassay-Mouse
Spisula solidissima Saxitoxins STX eq 341 g Bioassay-Mouse
Placopecten magellanicus Saxitoxins STX eq 43 g Bioassay-Mouse
Homarus americanus Saxitoxins STX eq 271 g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: There were multiple shellfish harvesting closures throughout this area of Maine due to PSP in 2011.
Additional harmful effect information: