General Information

Event name: MX-00-001
Country: MEXICO
Nature of the harmful event:
Water Discoloration , Mass mortalities
Event directly affected:
Natural Fish , 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:
Individuals to contact: Rosalba Alonso Rodriguez

Location & Date

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Location: Latitude: 24.166667, Longitude: -110.416667
General location information: La Ensenada de la Paz Shore, La Paz, B. C. S.
HAB Area code(s): GC
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2000-09-15
Start: 2000-09-15, End: 2000-09-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Cochlodinium polykrikoides (7.05 x 10^6 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Gárate-Lizárraga, I., López-Cortés, D.J., Bustillos-Guzmán, J.J., Hernández-Sandoval, F. 2000. Blooms of Cochlodinium polykrikoides (Gymnodiniaceae) in the Gulf of California, Mexico. Rev. Biol. Trop. 52 (Suppl. 1): 51-58.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 30 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information: PHOSPHATE: 0.16 - 3.25 uM
SILICATE: 1 - 35.36 uM
NITRATE + NITRITE: 0.165 -0.897 uM
Temperature Range During Event: Max: 31 °C, Min: 29 °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:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 05:47 on 3 Feb 2018
Updated at 12:47 on 6 Feb 2018