• [Wiki] http://en.wikipedia.org/wiki/Padogobius_nigricans.
• [fishbase] https://fishbase.mnhn.fr/summary/Padogobius-nigricans.html.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [PompGian2016a] Pompei, L., Giannetto, D., and Lorenzoni, M. (2016a). First information on age and growth of Padogobius bonelli (Bonaparte, 1846) outside of its native range: River Aggia (Central Italy). Knowledge and Managementof Aquatic Ecosystems, 417:1--8. doi:10.1051/kmae/2016013.
• [PompGian2016] Pompei, L., Giannetto, D., and Lorenzoni, M. (2016b). Reproductive parameters in native and non-native areas of Padogobius bonelli and comparison with P. nigricans (Actynopterigii, Gobiidae). Hydrobiologia, 779(1):173–182. doi:10.1007/s10750-016-2812-9.