General Information

Event name: OMN-00-002
Country: Oman
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Natural 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: 23.773333, Longitude: 57.898056
General location information: Barka, Gulf of Oman
HAB Area code(s): OMN-002
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2000-09-01
Start: 2000-09-01, End: 2000-09-04
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Coscinodiscus sp. (10^8 cells/L)
several Coscinodiscus species: apiculatus, perforatus, janischii, gigas, jonesianus
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Thangaraja, M., Al-Aisry, A., & Al-Kharusi, L. (2007). Harmful algal blooms and their impacts in the middle and outer ROPME sea area. International Journal of Oceans and Oceanography, 2(1), 85-98.

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: at least 37 tons of dead fish stranded on the coast
Management decision:
Additional harmful effect information:
Created at 08:53 on 13 Sep 2021