Bossu, C.M. and Near, T.J., 2013. Characterization of a contemporaneous hybrid zone between two darter species (Etheostoma bison and E. caeruleum) in the Buffalo River System. Genetica, 141(1), pp.75-88.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Etheostoma bison | Egg | Egg adhesiveness | Adhesive | Adhesive |