General Information

Event name: CL-14-001
Country: CHILE
Nature of the harmful event:
Mass mortalities , Other ( Fish gill damage)
Event directly affected:
Aquaculture Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: Yes (Fish gill damage)
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (POAS-Plancton Andino)
Event occurred before in this location: No
Individuals to contact: Jorge I. Mardones

Location & Date

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Location: Latitude: , Longitude:
General location information: AysÚn Fjord, AysÚn
HAB Area code(s): CL-06
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2014-11-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Thalassiosira pseudonana (>500000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Clement, A.(Pers. Commun.)

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:
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: Salmon mortality evidencing gill damage.
Management decision:
Additional harmful effect information:
Created at 08:06 on 4 Dec 2017
Updated at 10:49 on 22 Nov 2019