Something strange is happening in the Florida Keys. Fish of different species are spinning in circles, unable to control their movements. This unusual behavior continues for hours until they weaken ...

Thousands of dead fish appeared on a beach in Arica, Chile on January 25. Authorities investigating the mass die-off suspect hypoxia, or low levels of oxygen in the water.

Hypoxia reduction remains a critical component of CPRA efforts, aiming to decrease the size of the Gulf's "dead zone," an area of low oxygen that can kill fish and other marine life ...

The bill focuses on advancing scientific understanding of harmful algal blooms and hypoxia, which are critical ... individuals or communities utilize fish, wildlife, or other natural resources ...