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European River Lamprey (Lampetra fluviatilis) - Wiki latin dict size=27   common dict size=512
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Subject European River Lamprey (Lampetra fluviatilis) - Wiki

European River Lamprey (Lampetra fluviatilis) - Wiki; Image ONLY
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European River Lamprey (Lampetra fluviatilis) - Wiki

European river lamprey
From Wikipedia, the free encyclopedia

[Photo] European river lamprey (Lampetra fluviatilis). Lampetra fluviatilis from the german northsea. Author M.Buschmann

The European river lamprey, also known as the river lamprey, is a jawless lamprey, scientific name Lampetra fluviatilis. It is found in coastal waters around almost all of Europe from the north-west Mediterranean Sea up to the lakes of Finland, Scotland, Norway (Lake Mjosa) and Russia, including river in the Alps. It feeds on ectoparasites and parasites of other fish. It has a reproduction cycle similar to that of a salmon. River lampreys (Lampetra fluviatilis) belong to the same genus as brook lamprey and are thought to be very closely related. Current thinking suggests that european brook and river lampreys are a paired-species, which means the river lamprey represents the anadromous (sea going) form of the resident brook lamprey. However, this is an area that is still being actively researched.

River lampreys migrate upstream from the sea to spawning grounds in autumn/winter. Spawning activity is greatest in the springtime (like brook lamprey) and river lamprey ammocoetes also spend several years in soft sediment before migrating to sea as adults. It is not currently known how long these fish spend in marine habitats before making the return trip to spawn.

As ammocoetes, because of their close similarity to brook lamprey, it is very difficult to identify these fish beyond genus level (Lampetra). These fish average 30cm in length as adults but some may be considerably smaller (20cm) but in each case they are distinctly larger than adult brook lamprey (12-14cm). They are generally 150 g in mass, and their maximum life span is roughly 10 years.
The text in this page is based on the copyrighted Wikipedia article shown in above URL. It is used under the GNU Free Documentation License. You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.

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what is this a fish or an alien?........:)
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