Difference between revisions of "Arctic Life/Arctic Animals/Fish/Species/Lampreys"

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Latest revision as of 17:24, 20 March 2020

Lampreys — Petromyzontidae

Lampreys are elongate, tapered, eel-like, slimy, and scaleless. These fishes have one or two dorsal fins and a caudal fin, but no paired fins. Although jawless, they have a ventral, cup-shaped, suctorial mouth that is lined with horny teeth. Some lamprey species are free-living, but others are parasitic and attach themselves to live fish with their sharp teeth. The majority of lampreys are anadromous, spending most of their adult life in the ocean and returning to freshwater streams to spawn, but there are some species that have a strictly freshwater existence.

One lamprey species frequents the Canadian Arctic: