Published: Oct 12, 2011 5:31 PM EDT
Updated: Oct 12, 2011 9:48 PM EDT

FORT MYERS, Fla.- A fish kill, stretching nearly ten miles long between Lee and Charlotte Counties, is being described as moderate. Florida Fish and Wildlife officals have been testing the water near Captiva Pass and Boca Grande for the past few days. During that time, hundreds of fish have been found dead. The agency blames red tide.

Signs of the toxic algae have been spotted four miles off the coast. Tuesday, F.W.C. took a picture of a fish kill from 1200 feet in the air. All of the white spots visible on the water are dead fish. Now, F.W.C. is trying to figure out if this will wash ashore.

Bill Richardson is a research associate with F.W.C. He says the wind and tide will determine where the toxic algae and dead fish will go, but they won't know for the next few days.

Signs of red tide are popping all along the coast of Southwest Florida. Scientist say the algae that causes is red tide naturally grows in the Gulf of Mexico. Researchers say it's been almost two years since we have any red tide issues in our area.