| Citation | Maitland, P.S. and R.N. Campbell, 1992, Freshwater fishes of the British Isles.. HarperCollins Publishers, London.368 p. |
| Ref. | 6258 Maitland, P.S. and R.N. Campbell, 1992 |
| Page | 222-225 |
| Named Used as Valid | Leuciscus idus |
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