General Information

Event name: NO-06-015
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: PSP: 20522-323g STX/kg, DSP: 706-124g//kg, AZA: 101g /kg)
Associated syndrome: DSP , OTHER , PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Mytilus edulis
Report the outcome of a monitoring programme: Yes (Norwegian Food Safety Autority monitoring program)
Event occurred before in this location:
Individuals to contact: Kleiven

Location & Date

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Location: Latitude: , Longitude:
General location information: Barents Sea,
HAB Area code(s): NO-01
Additional location information: Indre Kfjord (DSP), Kirby (DSP/PSP), Hammerfest (PSP/DSP).
Bloom event dates (yyyy/mm/dd): Start: 2006-06-11, End: 2006-11-26
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuta (2150 cells/L)
Hammerfest, W38
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 Azaspiracids AZA1 101g/kg Bioassay-Mouse
mytilus edulis Saxitoxins STX eq 20522g ST Bioassay-Mouse
Mytilus edulis Okadaic Acid OA 706g /kg Bioassay-Mouse
Kit used: Type of kit used:
Additional information: Kirby,W24: Mouse mortality:3. Hammerfest,W33: Mouse mortality:2 (DSP). W37: Mouse mortality: 3(DSP).
Economic losses:
Management decision: Harvesting was locally banned. The public was warned against picking toxic mussels.
Additional harmful effect information:
Created at 08:58 on 13 Jan 2015
Updated at 11:15 on 16 Jan 2015