Algae bloom blamed for fish kill in Marco Island canals

Collier County water quality monitors are reporting various species of dead fish and discolored water in at least two Marco Island canals.

Monitors are blaming low oxygen levels in the canals because of a bloom of non-toxic algae detected in water quality samples.

A couple hundred mullet, catfish, batfish and mojarra were spotted this week in the end of canals north of San Marco Road on the eastern side of Marco.

Red tide, a bloom of toxic algae that causes respiratory irritation in humans and kills fish, has not been found. More samples will be taken next Tuesday.

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