General Information

Event name: ES-17-004
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 570.9 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: Yes
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:2017-05-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (40 cells/L)
Although low cellular concentrations at this sampling date, high peaks of D. acuminata were observed during previous weeks.
Co-Ocurring Species/Genus: Phalacroma rotundatum (Claparčde et Lachmann) Kofoid et Michener 1911 (20 cells/L)
at 10m, 17m and 33m depth.
Chlorophyll concentration, if known: 0.3 - 1.4 µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 5.9 - 6.1 Wind velocity:
Temperature (°C): 13.2 - 13.8 Oxygen saturation %: 101.2 - 105.5 Current Direction:
Sechhi disk (m): 12 Salinity: 35.2 - 35.4 Current Velocity:
Nutrient information: AMONIUM: <1.6 µmol/L (QL) - 1.9 µmol/L
NITRATE: <1.6 µmol/L (QL)
NITRITE: <0.4 µmol/L (QL)
PHOSPHATE: 0.2 - 0.5 µmol/L
SILICATE: <1.6 µmol/L (QL)
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 570.9 µg/kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 12:34 on 12 Jun 2017
Updated at 02:59 on 16 Mar 2018