Follow CBSMIAMI.COM: Facebook | Twitter

NAPLES (CBSMiami) — Tens of thousands of pounds of dead fish were removed from a bay in southwest Florida.

READ MORE: Thousands Of Haitians Gather Under Border Bridge, Hoping To Gain US Entrance, As Deportations Continue

People who live in Naples say the smell was overwhelming and some of the fish were still alive and gasping for oxygen.

READ MORE: Panel Makes Building Safety Recommendations As More Condo Owners See Their Buildings In Different Light After Surfside

Naples officials believe the deaths are possibly caused by red tide that leads to a lack of oxygen in the water and a thick gooey substance that clogs the gills of fish.

A contractor hired by the county used nets to clean up the mess.

MORE NEWS: Miami Dolphins Wide Receiver Will Fuller To Miss Home Opener

So far, they collected more than 32-thousand-pounds of dead fish.