General Information

Event name: US-08-024
Nature of the harmful event:
Mass mortalities
Event directly affected:
Aquatic Mammals
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: LANDSBERG, Jan

Location & Date

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Location: Latitude: , Longitude:
General location information: Texas coastal waters, Gulf of Mexico
HAB Area code(s): US-18
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2008-02-01, End: 2008-04-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis ovum Schütt, 1895 ( cells/L)
Co-Ocurring Species/Genus: Pseudo-nitzschia pungens ( cells/L)
Karenia brevis ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Fire, S. E., Wang, Z. H., Byrd, M., Whitehead, H. R., Paternoster, J., Morton, S. L., 2011. Co-occurrence of multiple classes of harmful algal toxins in bottlenose dolphins (Tursiops truncatus) stranding during an unusual mortality event in Texas, USA. Harmful Algae 10, 330–336.

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:
Created at 02:10 on 24 Jul 2020