| Citation | Maitland, P.S. and R.N. Campbell, 1992, Freshwater fishes of the British Isles.. HarperCollins Publishers, London.368 p. |
| Ref. | Maitland, P.S. and R.N. Campbell, 1992 |
| Page | 287 |
| Named Used as Valid | Gymnocephalus cernua |
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