General Information

Event name: MX-17-009
Country: MEXICO
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Planktonic life , Shellfish
Toxicity detected: Yes (Approximate range: levels above legal limit 800 ug STX eq./kg mollusk tissue)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Mareas Rojas (COFEPRIS))
Event occurred before in this location: Yes (2007, 2009)
Individuals to contact: Rosalba Alonso Rodriguez , Ignacio Leyva Valencia

Location & Date

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Location: Latitude: 24.494167, Longitude: -110.584167
General location information: Bahia de La Paz, Baja California Sur
HAB Area code(s): GC
Additional location information: El Mogote, Bahía de La Paz, Baja California sur
Bloom event dates (yyyy/mm/dd): Start: 2017-06-02, End: 2017-06-28
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-06-02, End: 2017-06-28
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Myrionecta rubra Jankowski 1976 ( cells/L)
Gymnodinium catenatum ( cells/L)
Co-Ocurring Species/Genus: Myrionecta rubra Jankowski 1976 ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.gob.mx/cms/uploads/attachment/file/785933/Presencia_de_Marea_Roja_en_costas_nacionales_durante_2017.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
Saxitoxins Bioassay-Mouse
Kit used: Type of kit used:
Additional information: Official Method
Economic losses: not evaluated
Management decision: Sanitary closure for clam only
Additional harmful effect information: https://zetatijuana.com/2017/06/marea-roja-invade-bahia-de-la-paz/
Created at 01:01 on 4 Jan 2019
Updated at 08:05 on 26 Feb 2023
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES