Koc, H.T. and Erdogan, Z. and Tincki, M. and Treer, T. (2007) Age, growth and reproductive characteristics of chub, Leuciscus cephalus (L., 1758) in the Ikizcetepeler dam lake (Balikesir), Turkey. Journal of Applied Ichthyology [J. Appl. Ichthyol./Z. Angew. Ichthyol.], pp. 19-24
| Species | Development state | Trait | Primary Data | Secondary Data |
| Leuciscus cephalus | Female | Intensifying oogenesis activity | During spring (March-May), an obviously rapid growth of gonads occurred until the next spawning. Differences between values according to months, especially Apriln are statistically significant | ['March', 'April', 'May', 'June'] |
| Leuciscus cephalus | Spawning conditions | Spawning season | Spawning occurred between April and May […] Other studies : mainly in May and June, but also as late as September (in Kizilirmak River), or as early as April | ['April', 'May', 'June', 'September'] |
| Leuciscus cephalus | Spawning conditions | Spawning temperature | In various areas: 12-28°C (Müceldi Stream), 15-23°C (Savur Stream), 16-23°C (Aras River); 14-19°C (Oltu Stream) and 16-18°C (Ikizcetepeler Dam Lake) | 20.0 °C |