General Information

Event name: AU-00-003
Nature of the harmful event:
High Phyto concentration , Freshwater , Other ( benthic mats)
Event directly affected:
Aquatic Mammals , Humans
Toxicity detected: Yes
Associated syndrome: OTHER , Cyanobacterial toxins effects
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: -27.249167, Longitude: 153.221944
General location information: Moreton Bay, Queensland
HAB Area code(s): AU-20
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2000-01-01, End: 2000-01-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Lyngbya majuscula Harvey in Hooker 1833 ( cells/L)
misspelling of "majuscula" !
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Hallegraeff 2015 Aquaculturists' guide for harmful Australian marine microalgae.

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
Lyngbya majuscula Lyngbyatoxins Lyngbyatoxin A LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses: fishermen suffered from severe skin and eye irritation ('swimmers itch")
Management decision: avoidance of the area for fishing and recreation, public warnings
Additional harmful effect information:
Created at 05:30 on 14 Feb 2017
Updated at 05:34 on 14 Feb 2017