General Information

Event name: IND-04-001
Country: INDIA
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities , Other ( respiratory problems)
Event directly affected:
Natural Fish , Humans
Toxicity detected: No
Associated syndrome: Aerosolized toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: QUOD, Jean-Pascal , SCHWEIBOLD Laura

Location & Date

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Location: Latitude: 10.933333, Longitude: 75.706111
General location information: Kerala coast, South India
HAB Area code(s): IN-04
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2004-07-15
Start: 2004-07-15, End: 2004-09-23
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Karenia mikimotoi (Mikaye et Kominami ex Oda) Hansen et Moestrup 2000 (9*10^4 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Harmful algae News no.37, September 2008, Karenia mikimotoi bloom in Arabian Sea

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:
Additional harmful effect information: Mass mortality of fish, noxious odour and respiratory problems among children on the coast
Created at 02:58 on 1 Oct 2021