The Red Tide in the Gulf

In 1564, Spanish explorers off Sarasota’s coast recorded outbreaks of coughing and respiratory distress in their ships’ logs. Native Americans in the area told them about periodic giant fish kills. Patches of microscopic marine algae—Karenia brevis—that cause red tide are always floating somewhere in the Gulf; periodically, they proliferate, or “bloom, This bloom release toxins … Continue reading The Red Tide in the Gulf