General Information

Event name: PT-13-033
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: CFP (Ciguatera Fish Poisoning)
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Seriola sp., Sparisoma cretense, Serranus atricauda, Bodianus scrofa, Balistes capriscus, Pagrus pagrus
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: BRANCO, Maria Ana

Location & Date

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Location: Latitude: , Longitude:
General location information: Central-eastern Atlantic, Madeira
HAB Area code(s): PT-10
Additional location information: Selvagem islands
Bloom event dates (yyyy/mm/dd): Event Date:2008-07-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gambierdiscus spp. ( 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: Whole column
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Seriola dumerili Ciguatoxins positive Immunoassay
Seriola dumerili Ciguatoxins C-CTX1 1111.6 m/z LC-MS
Seriola dumerili Ciguatoxins positive Cytotoxicity
Kit used: Yes Type of kit used: Cigua-CheckŪ Fish Poison Test Kit (Oceanit)
Additional information: positive immunoassay kit result positive for the functional method using cerebellar granule cells
Economic losses:
Management decision: Publication of an edict by the Captaincy of the Port of Funchal, which forbids fishing in the Selvagens Islands up to the 200 m bathymetric; Reinforcement of surveillance at unloading ports; Purchase of rapid diagnostic kits for ciguatoxins
Additional harmful effect information: neurological and diarrheal symptoms. Hospital internment
Created at 11:26 on 25 Sep 2020
Updated at 01:39 on 25 Sep 2020