| |
Schulz, M. & Freyhof, J. 2003. Coregonus fontanae, a new spring-spawning cisco from Lake Stechlin, northern Germany (Salmoniformes: Coregonidae). Ichthyological Exploration of Freshwaters, 14: 209-214. |
| |
Freyhof, J. 2003. Sewellia albisuera, a new balitorid loach from Central Vietnam (Cypriniformes: Balitoridae). Ichthyological Exploration of Freshwaters, 14: 225-230. |
| |
Ng, H. H. & Freyhof, J. 2003. Akysis clavulus, a new species of catfish (Teleostei: Akysidae) from Central Vietnam. Ichthyological Exploration of Freshwaters, 14: 311-316. |
| |
Sindilariu, P. D. & Freyhof, J. 2003. Food overlap of benthic fishes in the Danube Delta, with special respect to two invasive gobiids (Teleostei: Gobiidae, Percidae, Cyprinidae). Lauterbornia, 46: 149-157. |
| |
Freyhof, J. 2003. Immigration and potential impacts of invasive freshwater fishes in Germany. Berichte des IGB, 17: 51-58. |
