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MBSS Fish Information
LEAST BROOK LAMPREY
Lampetra aepyptera

The Least brook lamprey is a member of the Lamprey family (Petromyzontidae). The larval stage of this species may last a decade or more, but the adult stage is short with death occurring after spawning.

The map below shows presence (green circles) of this species in the 1995-2019 MBSS dataset.
Illustration by Dave Neely

Distribution of Least brook lamprey in Maryland (MBSS data):

The MBSS has collected the following fishes in the family Petromyzontidae:

Common Name Genus & species
Sea lamprey Petromyzon marinus
Least brook lamprey Lampetra aepyptera