| Event name: | US-24-007 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
Seafood toxins | |
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Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes (Approximate range: Crassostrea virginica from 37.44 ug/100g to 107.23 ug/100g - Charlotte Harbor; range for Argopecten irradians was 42.25 ug/100g to 241.99 ug/100g - Pasco Zone) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Florida Fish and Wildlife Conservation Commission-Fish and Wildlife Research Institute /Florida Department of Agriculture and Consumer Services) | |
| Event occurred before in this location: | Yes (Blooms of Pyrodinium bahamense with shellfish closures occur every few years in parts of Charlotte Harbor since 2016. This was the first closure along northern Pinellas/Pasco County) | |
| Individuals to contact: | HUBBARD, Katherine , ZAHARA, Meredith | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Pasco Zone for recreational scallop harvest and Charlotte Harbor area, West coast of Florida HAB Area code(s): US-16 |
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| Additional location information: | Two impacted areas: Charlotte Harbor area and along northern Pinellas and Pasco County (in the Pasco Zone for recreational scallop harvesting) Above dates represent shellfish toxin testing for presence of PSP toxins. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pyrodinium bahamense
(11,000 (7/16/24 in Pasco Co.) cells/L)
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| Co-Ocurring Species/Genus: |
Pyrodinium bahamense
(131,000 (7/19/24 in Charlotte Co.) cells/L)
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 32.3 °C, Min: 29.3 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 36.08, Min: 21.5 | |||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||||||||||||
| Additional information: | AquaBC rapid tests were used to screen for presence/absence of PSP toxins in shellfish. Postitive mouse bioassays >= 80 ug/100g were used for harvest closure per NSSP guidelines | ||||||||||||||||
| Economic losses: | |||||||||||||||||
| Management decision: | harvesting closures in both locations | ||||||||||||||||
| Additional harmful effect information: | |||||||||||||||||
