General Information

Event name: KW-99-001
Country: KUWAIT
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Natural Fish , Aquaculture Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: QUOD, Jean-Pascal , SCHWEIBOLD Laura

Location & Date

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Location: Latitude: 29.477778, Longitude: 47.975000
General location information: Koweit Bay, Koweit Bay
HAB Area code(s): KU-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1999-09-15
Start: 1999-09-15, End: 1999-10-17
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gymnodinium sp. (>6*10^6 cells/L)
Co-Ocurring Species/Genus: Mesodinium rubrum (Lohmann 1908) Jankowski 1976 ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Heil, C.A., P.M. Gilbert, M.A. Al-Sarawi, M. Faraj, M. Behbehani, and M. Husain. 2001. First record of a fishkilling Gymnodium sp. bloom in Kuwait Bay, Arabian Sea: chronology and potential causes. Marine Ecology Progress Series 214:15-23.

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
Kit used: Type of kit used:
Additional information:
Economic losses: closure of shellfish and selected finfish markets resulted in significant economic losses to the region
Management decision: farming and fishing closures, advises against consumption for a minimum of 30 days after the event
Additional harmful effect information: around 50 tons of wild fish loss, fish kills in aquacultures (around 80000 fish)
Created at 02:36 on 1 Oct 2021