Wanzenböck, J. and Lahnsteiner, B. and Maier, K. (2000) Pelagic early life of the bullhead in a freshwater lake. Journal of fish biology, pp. 1553-1557
| Species | Development state | Trait | Primary Data | Secondary Data |
| Cottus gobio | Larvae | Larvae behaviour | On hatching, larvae become planktonic in the stream eastuary or in lakes and do not take up a bottom-dwelling or benthic life until about 32-35 days after hatching | Demersal |
| Cottus gobio | Spawning conditions | Spawning period duration | Normally the spawning time lasts from April to May but can be until early June in alpine streams and lakes | No data |