Lampetra planeri (European Brook Lamprey) is a species of lampreys in the family northern lampreys. It is associated with freshwater habitat. Individuals can grow to 20.5 cm. Reproduction is dioecious.
Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body
Definition: A description of the geographic distribution, or range, of the taxon. Includes descriptions of global, regional, or political aspects of range and whether the taxon is native or introduced in portions of the range and endemicity.