General Information

Event name: AU-96-001
Nature of the harmful event:
Mass mortalities , Other ( Aquaculture fish mortality)
Event directly affected:
Aquaculture Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -34.729444, Longitude: 135.909167
General location information: Port Lincoln, South Australia
HAB Area code(s): AU-03
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1996-04-14
Start: 1996-04-12, End: 1996-04-23
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Chattonella marina (66 000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Marshall J. A., Nichols P. D., Hamilton B., Lewis R. J. & Hallegraeff, G. M., 2003. Ichthyotoxicity of Chattonella marina (Raphidophyceae) to damselfish (Acanthochromis polycanthus): the synergistic role of reactive oxygen species and free fatty acids. Harmful Algae 2 : 273281.

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: fish bioassays (damselfish; fish gill cell line)
Economic losses: 45M AUD aquacultured bluefin tuna loss
Management decision: towing away of cages outside Boston Bay
Additional harmful effect information: Ichthyotoxins detected,comprising ROS and EPA synergism
Created at 05:23 on 30 Jan 2017
Updated at 08:00 on 18 Apr 2018