General Information

Event name: MX-14-001
Country: MEXICO
Nature of the harmful event:
Water Discoloration
Event directly affected:
Planktonic life
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity:
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: 24.416667, Longitude: -110.533056
General location information: Bahia de la Paz, Baja California
HAB Area code(s): GC
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Gyrodinium instriatum Freudenthal et Lee 1963 (1.6 x 10^5 cells/L)
Levanderina fissa
Co-Ocurring Species/Genus: Polykrikos hartmannii Zimmerman (1.6 x 10^4 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Gárate-Lizárraga, I. 2014. Proliferation of Levanderina fissa and Polykrikos hartmannii (Dinophyceae: Gymnodiniales) in Bahía de la Paz, Gulf of California, México. CICIMAR Oceánides 29 (2): 25-35.

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: 31 °C, Min: 29.5 °C
Salinity Range During Event: Max: 34.82, Min: 34.4
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 09:16 on 3 Feb 2018
Updated at 08:56 on 19 Jan 2019