General Information

Event name: CR-18-001
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities , Foam/Mucilage in the coast
Event directly affected:
Natural Fish , Humans
Toxicity detected: No
Associated syndrome: Aerosolized toxins effects
Unexplained toxicity: Yes (aerosolized toxins and fish kill toxins)
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Institutional commission of red tide in Costa Rica)
Event occurred before in this location: Yes (several times a year but not as strong as now)
Individuals to contact: VARGAS MONTERO MARIBELLE

Location & Date

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Location: Latitude: , Longitude:
General location information: Área de Conservación Guanacaste, Pacífico Norte
HAB Area code(s): CR-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2018-11-06
Start: 2018-11-03,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Fibrocapsa japonica ( cells/L)
not quantifiable
Co-Ocurring Species/Genus: Phaeocystis globosa ( cells/L)
not quantifiable
Scrippsiella trochoidea ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Yes 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: Whole column
In situ
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 05:24 on 11 Nov 2018