General Information

Event name: ES-17-002
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 340.9 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

[View larger map]
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:2017-04-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (1620 cells/L)
Max. at 3m; but concentrations ranging 300-1000 cells per liter between 10m and 33m (decreasing with depth).
Co-Ocurring Species/Genus: Phalacroma rotundatum (Claparčde et Lachmann) Kofoid et Michener 1911 (20 cells/L)
at 33m depth.
Chlorophyll concentration, if known: 0.11 - 0.99 µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 5.1 - 6.0 Wind velocity:
Temperature (°C): 13.1 - 13.4 Oxygen saturation %: 86.3 - 102.3 Current Direction:
Sechhi disk (m): 15 Salinity: 35.3 - 35.5 Current Velocity:
Nutrient information: AMONIUM: <1.6 µmol/L (QL)
NITRATE: <1.6 µmol/L (QL)
NITRITE: <0.4 µmol/L (QL)
PHOSPHATE: 0.20 - 0.25 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 340.9 µg/kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 11:55 on 12 Jun 2017
Updated at 02:49 on 16 Mar 2018