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Table 2 Direction of hybridisation in roach × bream hybrids

From: Hybridisation between two cyprinid fishes in a novel habitat: genetics, morphology and life-history traits

 

Bream

Roach

L. Ramor

40

0

Leixlip Res.

36

4

Ross L.

40

0

L. Corrib

39

1

  1. Mitochondrial DNA exhibited by roach × bream hybrids, 40 hybrids were screened from each lake. Presence of mitochondrial DNA indicates which species was maternal during hybridisation.