Lamprey

Geotriinae

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Mordaciinae

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Petromyzontinae

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A lamprey is a jawless fish with a toothed, funnel-like sucking mouth, with which most species bore into the flesh of other fishes to suck their blood. In zoology, lampreys are not considered to be true fish because of their vastly different morphology and physiology.

Related Topics:
Fish - Suck their blood - Zoology

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