European river lamprey
Fish
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The European river lamprey, also known as the river lamprey or lampern, is a species of freshwater lamprey. Wikipedia
Scientific name: Lampetra fluviatilis
Conservation status: Least Concern
Mass: 2.9 oz (Adult)
Class: Hyperoartia
Genus: Lampetra
Family: Petromyzontidae
Kingdom: Animalia
Source: Encyclopedia of Life