General Information

Event name: MX-22-001
Country: MEXICO
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: >352 ug OA eq. kg)
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: Rosalba Alonso Rodriguez

Location & Date

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Location: Latitude: 15.695556, Longitude: -97.109167
General location information: Bahía Altata Norte, SInaloa
HAB Area code(s): GC
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2022-11-23, End: 2023-04-24
Additional date-related information: 32 days in 2022, 113 days in 2023, 145 days

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis caudata Saville-Kent 1881 (14,295 cells/L)
2022-12-13
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.gob.mx/cms/uploads/attachment/file/790026/Cuadro_Cierres_precautorios_2022.pdf

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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Crassostrea gigas Okadaic Acid OA eq 352 ug OA eq./kg Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses: Not determinated
Management decision: sanitary closure
Additional harmful effect information: No intoxications have been registred
Created at 02:20 on 21 Feb 2023
Updated at 10:20 on 11 Dec 2023