General Information

Event name: MY-15-002
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): benthic clam (Polymesoda similis)
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (2001)
Individuals to contact: Lim, Po Teen , Leaw, Chui Pin

Location & Date

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Location: Latitude: 6.231667, Longitude: 102.098889
General location information: Sungai Geting, Kelantan
HAB Area code(s): MY-1
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2015-08-30
Start: 2015-08-30, End: 2015-12-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium minutum (23000000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Lau WLS, Law IK, Liow GR, Hii KS, Usup G, Lim P.T Leaw CP. 2017. Life-history stages of natural bloom populations and the bloom dynamics of a tropical Asian ribotype of Alexandrium minutum. Harmful Algae doi:10.1016/j.hal.2017.10.006

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: Whole column
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish quarantine
Additional harmful effect information:
Created at 04:51 on 10 Apr 2018
Updated at 10:54 on 20 Oct 2019