General Information

Event name: US-15-021
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: <1.4 - 447 STX ug in Mytilus edulis)
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 Shellfish Growing Area Program: Biotoxin Monitoring)
Event occurred before in this location: Yes
Individuals to contact: Siois, Alison

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Western Maine, Eastern Maine and Pen Bay,
HAB Area code(s): US-01
Additional location information: Three regions: Western Maine WME (Rockland, Maine to Kittery, Maine) and Eastern Maine EME (Calais, Maine to Bass Harbor, Maine) and between Rockland/ Blue Hill/Stonington areas (PENBAY)
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2015-05-20, End: 2015-08-01
Additional date-related information: PENBAY shellfish did not reach quarantine


Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense (>5000 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 EME 484g WME 186g Other
Kit used: No Type of kit used:
Additional information: igh Performance Liquid Chromotography Post Column Oxidation (HPLC PCOX) used for saxitoxin detection and HPLC for domoic acid detection
Economic losses:
Management decision: Lower toxicity year for PSP monitoring and low to no detection of domoic acid ASP
Additional harmful effect information:
Created at 09:20 on 7 Feb 2017