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Sea Turtle mass mortalities reported near Sanibel and Captiva islands

Posted at 9:42 AM, Jul 26, 2018
and last updated 2018-07-27 08:17:09-04

LEE COUNTY, Fla. -- We're learning new information about how the red tide is affecting our marine life.  The Sanibel Captiva Conservation Foundation says that since the beginning of the current red tide bloom in October 2017, 91 sea turtles have been found stranded on the beaches or in waters near Sanibel and Captiva.

More than 50 of those 91 were found in June and July of 2018 alone.

58 were dead, and 33 were alive and taken to the CROW  wildlife clinic on Sanibel for treatment.  Of the 91 strandings, 53 have been mature adults.

"We've seen a large increase in the number of sea turtle patients affected by red tide this year, compared to last year.  This year at this time we've treated 33 sea turtles for a variety of reasons, including red tide.  Last year at this time we were only at 10 sea turtle patients. So it has significantly increased compared to last year," says a CROW representative.

The Sanibel Captiva Conservation Foundation says turtles have been sampled to help them understand how the algae blooms affect sea turtles.

You can report disoriented or stranded sea turtles to 978-728-3663 (978-SAVE-ONE).

The Florida Fish and Wildlife Conservation Commission has documented 287 sea turtle deaths in Gulf of Mexico waters along the southwest Florida coast since the toxic bloom started in October.

Allen Foley of the commission's Fish and Wildlife Research Institute said Thursday that's about double the average number of turtle deaths in those waters every year.
The bloom sometimes stretches from Tampa Bay to the Florida Keys. Foley said turtles living in the area become sick and die when their food gets contaminated by the toxins.
Loggerhead and Kemp's ridley sea turtles are the two species primarily affected by the bloom. Both are federally protected turtles.