General Information

Event name: TN-10-001
Country: TUNISIA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 1.129 g GYM/Kg)
Associated syndrome:
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: ISMAEL, Amany

Location & Date

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Location: Latitude: , Longitude:
General location information: Gulf of Gabes, Southern Mediterranean
HAB Area code(s): TN-01
Additional location information: Two sampling stations located at the south of Sfax and Boughrara lagoon
Bloom event dates (yyyy/mm/dd): Event Date:2010-04-01
Start: 2010-04-01, End: 2010-04-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Karenia selliformis Haywood et al. 2004 (88X10^3 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Naila, B.I., Hamza, A., Gdoura, R., Diogėne & De la Iglesia, P. (2012). Prevalence and persistence of gymnodimines in clams from the Gulf of Gabes (Tunisia) studied by mouse bioassay and LCMS/MS. Harmful Algae, 18: 56-64.

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
Karenia selliformis CYCLIC IMINES - Gymnodimines 1.129 g GYM/Kg LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 01:59 on 27 Jun 2017