General Information

Event name: ES-15-001
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 131.7-199.7 µg/kg)
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: REVIILLA, Marta , SOLAUN, Oihana , Muńiz, Oihane

Location & Date

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Location: Latitude: 43.356667, Longitude: -2.448056
General location information: Longline Mendexa, Basque Country
HAB Area code(s): ES-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2015-04-21
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (540 cells/L)
Max detected at 3m depth, Lower concentrations at 17m depth.
Co-Ocurring Species/Genus: Phalacroma rotundatum (Claparčde et Lachmann) Kofoid et Michener 1911 (40 cells/L)
At 17m depth.
Chlorophyll concentration, if known: 0.25 - 1.63 µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 4.9 - 6.9 Wind velocity:
Temperature (°C): 12.2 - 14.3 Oxygen saturation %: 81.3 - 117.8 Current Direction:
Sechhi disk (m): 6 Salinity: 33.1 - 35.5 Current Velocity:
Nutrient information: AMONIUM: 0.9 - 1.3 µmol/L
NITRATE: 0.5 - 5.9 µmol/L
NITRITE: 0.3 - 0.4 µmol/L
PHOSPHATE: 0.15 - 0.25 µmol/L
SILICATE: 1.6 - 2.6 µmol/L
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 galloprovincialis Okadaic Acid OA eq 199.7 µg/kg LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 10:09 on 12 Jun 2017
Updated at 10:25 on 13 Jun 2017