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Southern Brook Lamprey

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Ichthyomyzon gagei
Hubbs and Trautman 1937
Family Petromyzontidae

Lateral view of Southern Brook Lampreys
These Southern Brook Lampreys were collected from the Escambia River drainage in Central Florida. This specimen belongs to the Florida Museum ichthyology collection. Top: UF 237654 Bottom: UF 175180. Florida Museum photo by Zachary Randall

The Southern Brook Lamprey is a member of the lamprey family, and has an eel-like body and one slightly notched dorsal fin. This lamprey lives in gravel-and-sand bottomed riffles and runs of creeks and small rivers. The larvae live near sand bars and debris in flowing pools.

The mouth of a Southern Brook Lamprey
The Southern Brook Lamprey’s oral disc, left, and ammocoete oral hood, right. Florida Museum photo by Zachary Randall

Status & distribution

  • Status β€” Native freshwater
  • Florida Distribution β€” Western and North Central Florida drainages
  • River Drainages β€” Perdido River, Escambia River, Blackwater River, Yellow River, Choctawhatchee River, Econfina Creek, Apalachicola River and Ochlocknee River.
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Similar Species

Sea Lamprey

Contact Info

Florida Museum of Natural History
Gainesville, FL 32611
352-392-1721 (Research) or
352-846-2000 (Exhibits)

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  • Page Last Updated: 08/19/2022