Vainikka, A. and Kortet, R. and Paukku, S. and Rantala, M.J. and Pirhonen, J. (2005) What do male tench, Tinca tinca, advertise with morphological ornaments?. Acta Ethologica, pp. 70-78
| Species | Development state | Trait | Primary Data | Secondary Data |
| Tinca tinca | Male | Male sexual dimorphism | In contrast to females, tench Tinca tinca (L.) males have large pelvic fins with a thickened and bent second ray. Males also produce notable ventral protuberances during breeding, but the function of these male ornaments is not known | Absent |
| Tinca tinca | Spawning conditions | Mating system | Tench usually spawn in groups of three, with two males competing for a female | Polyandry |