General Information

Event name: GB-18-001
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: > 160 ug OA eq/KG)
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Food Standards Scotland Monitoring Programme)
Event occurred before in this location: Yes (See previous reports)
Individuals to contact: BRESNAN, Eileen , Davidson, Keith

Location & Date

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Location: Latitude: , Longitude:
General location information: West Coast Scotland, Argyll, Highlands and Islands
HAB Area code(s): GB-15 GB-16 GB-17 GB-18 GB-19
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2018-05-08
Start: 2018-04-11,
Quarantine levels dates (yyyy/mm/dd): First detection: 2018-05-08, End: 2018-12-06
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Dinophysis spp. (167625 cells/L)
Loch Laxford (10th July 2018)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: This bloom was mostly comprised of D. acuminata.
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 Okadaic Acid OA eq 3971 ug OA eq/KG LC-MS
Crassostrea gigas Okadaic Acid OA eq 230ug OAeq LC-MS
Kit used: Type of kit used:
Additional information: M. edulis conc/ Loch laxford,2018-06-0, C. gigas, Loch Kinaird, 2018-06-13.
Economic losses:
Management decision: Closures were widespread throughout Argyll, west coast, highlands and Islands. Highest concentrations recorded June - Aug 2018.
Additional harmful effect information:
Created at 06:44 on 6 Jan 2020