| Citation | Hölker, F., 1992, Nahrungsbiologie des Kaulbarsches (Gymnocephalus cernua L.) in der Elbe.. M.Sc. Thesis, Univ. Hamburg, Inst. Hydrobiol. Fischereiwiss. 104 p. |
| Ref. | 36786 Hölker, F., 1992 |
| Page | |
| Named Used as Valid | Gymnocephalus cernua |
| Comment | |
| Locality | |
| Distribution | |
| Quote |