General Information

Event name: MX-11-015
Country: MEXICO
Nature of the harmful event:
Other ( dermatitis)
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP , Cyanobacterial toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector): water
Report the outcome of a monitoring programme: Yes (Institutional projects CIBNOR)
Event occurred before in this location: No
Individuals to contact: Erick Julian Nunez Vazquez

Location & Date

[View larger map]
Location: Latitude: 24.311667, Longitude: -110.328889
General location information: Caleta Balandra, Baja California Sur
HAB Area code(s): GCS
Additional location information: Playa Balandra
Bloom event dates (yyyy/mm/dd): Event Date:2011-01-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: the species was found there since 2010


Causative organism known: Yes
Causative Species/Genus: Lyngbya majuscula Harvey in Hooker 1833 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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
Stylocueilus striatus Lyngbyatoxins Bioassay-Mouse
Stylocueilus striatus Aplysiatoxins Bioassay-Mouse
Stylocueilus striatus Saxitoxins LC-FD
Kit used: Type of kit used:
Additional information: the opisthobranch S. striatus feeds on Lyngbya
Economic losses: not reported
Management decision:
Additional harmful effect information:
Created at 07:38 on 6 Dec 2021
Updated at 07:43 on 6 Dec 2021