A genetic method to differentiate Petromyzon marinus ammocoetes from those of the paired species Lampetra fluviatilis and L . planeri

Maria C. Urdaci, Catherine Taverny, Anne-Marie Elie & Pierre Élie
Petromyzon marinus and Lampetra sp. are protected by international conventions (Bern, 1979; Habitats directive, 1992). To estimate the abundance, and thus the precariousness of each population, it is advisable to distinguish the larvae of each species, because they may use the same environments in rivers. However, these larvae were indistinguishable on morphological criteria (oral disk, pigmentation, myomeres,…). We used a molecular method for discriminating between P. marinus and Lampetra sp. A 560 bp DNA fragment...
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