General Information

Event name: CA-98-005
Country: CANADA
Nature of the harmful event:
Water Discoloration , Mass mortalities
Event directly affected:
Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: MARTIN, Jennifer

Location & Date

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Location: Latitude: 45.120278, Longitude: -67.014167
General location information: Northwest Bay of Fundy, Scotia Fundy Region
HAB Area code(s): CA-22
Additional location information: Passamaquoddy Bay
Bloom event dates (yyyy/mm/dd): Event Date:1998-09-09
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Late August-Mid September.


Causative organism known: Yes
Causative Species/Genus: Mesodinium rubrum (1 553 000 cells/L)
Ciliate. September 9,1998; 95% of total phytoplankton
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: 0
Nutrient information:
Temperature Range During Event: Max: 17 °C, Min: 11 °C
Salinity Range During Event: Max: 32, Min: 31
Bloom location in the water column:
In situ
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:
Economic losses:
Management decision: Additional sampling , warning to salmonid aquaculturists.
Additional harmful effect information:
Updated at 02:09 on 26 Sep 2013