River Lamprey Lampetra fluviatilis Length to 30cm<br />
A migratory species, adults moving upstream from the sea in winter and spring to spawn on gravel beds in rivers. After spawning, the adults die and the larvae that hatch from the eggs live for several years buried in river silt; following metamorphosis to the adult stage, they move to sea until maturity and the cycle is then repeated. Adult River Lampreys attach to other fish using the sucker and feed on blood; they also feed on carrion.
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111997
River Lamprey Lampetra fluviatilis Length to 30cm
A migratory species, adults moving upstream from the sea in winter and spring to spawn on gravel beds in rivers. After spawning, the adults die and the larvae that hatch from the eggs live for several years buried in river silt; following metamorphosis to the adult stage, they move to sea until maturity and the cycle is then repeated. Adult River Lampreys attach to other fish using the sucker and feed on blood; they also feed on carrion.

Filename: 111997.jpg
Size: 3543x2367 / 7.6MB
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Date: 15 Jul 2013
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Credit: PAUL STERRY/NPL
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Model Release: No
Property Release: No
Restrictions: Nature Photographers Ltd., West Wit, New Road, Little London, Tadley, Hampshire, RG26 5EU. Tel: +44(0)1256 850661 web: www.naturephotographers.co.uk
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