General Information

Event name: AU-07-001
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: OTHER
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Pinna bicolor
Report the outcome of a monitoring programme: Yes (South Australian Shellfish Quality Assurance Program)
Event occurred before in this location: No
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -33.715556, Longitude: 136.948056
General location information: Franklin Harbour, South Australia
HAB Area code(s): AU-10
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2007-01-01, End: 2007-01-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: precautionary closure of oyster farms


Causative organism known: Yes
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Rhodes 2011 Phycologia 50: 624-628

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
oysters CYCLIC IMINES - Pinnatoxins LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses: 60 000 AUD extra monitoring cost
Management decision: Closure of 30 oyster farms
Additional harmful effect information: Pinnatoxins ultimately were decided not to be regulated
Created at 04:32 on 31 Jan 2017
Updated at 12:07 on 24 Feb 2017