| Event name: | US-23-001 | |
| 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: For Crassostrea virginica from 39.0 ug/100g to >95.51 ug/100g; range in Mercenaria mercenaria from positive rapid test to 42.97 ug/100g) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| 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 | |
| Individuals to contact: | HUBBARD, Katherine , ZAHARA, Meredith , MARKLEY, Laura | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Indian River Lagoon, east coast of Florida HAB Area code(s): US-15 |
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| Additional location information: | Dates represent dates beginning and ending testing of shellfish for presence of PSP toxins. IRL bloom (5,000+ cells/L) Start Date: 4/17/2023 ; End Date: 10/18/2023 Annual summertime blooms occur along the east coast in the Indian River Lagoon | |
| Bloom event dates (yyyy/mm/dd): | Start: 2023-04-17, End: 2023-10-18 | |
| Quarantine levels dates (yyyy/mm/dd): | First detection: 2023-07-19, End: 2023-09-21 | |
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pyrodinium bahamense
(4,502,004 cells/L)
on 2023-08-17 |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 35.4 °C, Min: 21.0 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 33.06, Min: 12.03 | |||||||||||||||||||||||||
| 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: | Positive Neogen rapid screen, then mouse bioassays were used for closure. Per NSSP guidelines shellfish closures initiated when shellfish toxin levels via mouse bioassay are >= 80 ug/100g. | ||||||||||||||||
| Economic losses: | |||||||||||||||||
| Management decision: | shellfish harvest closure | ||||||||||||||||
| Additional harmful effect information: | |||||||||||||||||
