Sea lamprey identification

Two sea lamprey Petromyzon marinus ammocoetes from the River Mulkear catchment, Co Limerick. Note that pigmentation extends ventrally on the oral hood, tail is ‘sword’ rather than ‘paddle’ shaped, and pigmentation extends out into tail. We confirmed the identification by counting the trunk myomeres, before releasing these (recommended).

For more information on lampreys please see our dedicated lamprey facebook page:-

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