General Information

Event name: MY-91-001
Nature of the harmful event:
Event directly affected:
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Blue mussels
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: Leaw, Chui Pin , Lim, Po Teen

Location & Date

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Location: Latitude: 2.091667, Longitude: 102.486111
General location information: Sebatu, Malacca
HAB Area code(s): MY-4
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1991-09-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: The exact date is not traceable.


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamiyavanichii Balech 1994 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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
Alexanrium tamiyavanichii Saxitoxins STX eq LC-FD
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish farm closure
Additional harmful effect information:
Created at 11:06 on 20 Oct 2019