GUNTERSVILLE, Ala. (AP) — A state conservation official says there was no live shark in Lake Guntersville.

Nick Nichols is assistant chief of fisheries for the Alabama Department of Conservation and Natural Resources. He said Tuesday a dead shark found by a teenager last week must have been put in the lake by someone.

State conservation officials initially identified the 3-foot shark as a bull shark, a species that sometimes travels inland along rivers.

But Nichols said he got an e-mail Tuesday morning from a state marine biologist identifying the shark as an Atlantic sharpnose, a species that isn’t known to travel in fresh water.

A Jackson County teen said he found the shark July 21 floating near a dock on Lake Guntersville. The shark had a bass lure in its mouth.

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Information from: The Birmingham News, http://www.al.com/birminghamnews