Dead fish floating belly up surround a pleasure boat docked in a canal near Casey Key after dying from a red tide in the Gulf of Mexico on the west coast of Florida, USA. A red tide is a higher-than-normal concentration of a microscopic alga that produces toxic chemicals harmful to both marine life and humans. In addition to its unpleasant smell, a red tide can create airborne toxins that cause serious illness in people with severe or chronic respiratory conditions, such as emphysema or asthma. Red tides have been documented along Florida's Gulf coast since the 1840s.


Dead fish floating belly up surround a pleasure boat docked in a canal near Casey Key after dying from a red tide in the Gulf of Mexico on the west coast of Florida, USA. A red tide is a higher-than-normal concentration of a microscopic alga that produces toxic chemicals harmful to both marine life and humans. In addition to its unpleasant smell, a red tide can create airborne toxins that cause serious illness in people with severe or chronic respiratory conditions, such as emphysema or asthma. Red tides have been documented along Florida's Gulf coast as far back as the 1840s; these fish were among the thousands killed by red tides in 2021.


Size: 3300px × 2475px
Location: Osprey Harbor Village, Osprey, Sarasota County, Florida, USA
Photo credit: © Michele and Tom Grimm / Alamy / Afripics
License: Licensed
Model Released: No

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