General Information

Event name: MX-15-003
Country: MEXICO
Nature of the harmful event:
Seafood toxins
Event directly affected:
Birds , Aquatic Mammals , Humans
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): wild bivalves
Report the outcome of a monitoring programme: Yes (Mareas Rojas (COFEPRIS))
Event occurred before in this location: Yes
Individuals to contact: Rosalba Alonso Rodriguez

Location & Date

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Location: Latitude: , Longitude:
General location information: Bahías San Luis, Gonzaga, Guadalupe, Los Ängeles, de las Ánimas, San Rafael, Baja California
HAB Area code(s): GC
Additional location information: in front of Angel de la Guarda Island
Bloom event dates (yyyy/mm/dd): Start: 2015-02-25, End: 2015-06-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: selective closure lasted for almost a year


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Comisión Federal para la Protección contra Riesgos Sanitarios. 2015. Medina-Elizalde J, García-Mendoza E, Turner AD, Sánchez-Bravo YA, Murillo-Martínez R (2018). Transformation and Depuration of Paralytic Shellfish Toxins in the Geoduck Clam Panopea globosa From the Northern Gulf of California. Front. Mar. Sci. 5:335. Doi 10.3389/fmars.2018.00335

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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Sanitary closure
Additional harmful effect information: 5 intoxicated persons
Created at 11:34 on 3 Jan 2019
Updated at 05:50 on 6 Dec 2021