General Information

Event name: ES-89-007
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 200 µg STXeq / 100 g.)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (PSP toxicity was found in Cerastoderma tuberculata imported from Marrocco in February 1989. More information in Bravo et al, 1990, 'First report of Gymnodinium catenatum Graham on the Spanish Meditarranean Coast')
Individuals to contact: BRAVO, Isabel , REGUERA, Beatriz

Location & Date

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Location: Latitude: , Longitude:
General location information: Malaga and Bahia de Algeciras., Andalucía.
HAB Area code(s): ES-12 ES-13
Additional location information: Coast between Malaga and Bahia de Algeciras.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: January-February.


Causative organism known: No
Causative Species/Genus: Gymnodinium catenatum (3,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Between 7 February and 10 March, samples were collected at 0, 5 and 10 m. Gymnodinium catenatum was suggested as the PSP agent. Cells of this species were not isolated nor cultured in order to confirm their toxicity. No other species were found which have
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments In November 1987 PSP toxins were detected in samples of Venus verucosa from the same area.
Additional Environmental information: It might be possible that this species enter through the Straits of Gibraltar. Atlantic surface water flows into the Mediterratnean Sea through that straits, and high salinity Mediterranean waters flows into the Atlantic below it. Thus, this area is an im

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Callista chione Saxitoxins STX eq 200 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Collection and sale of bivalves was forbidden
Additional harmful effect information: