2 literature references:

Author: Billard, R.
Year: 1997
Title: Les poissons d'eau douce des rivières de France. Identification, inventaire et répartition des 83 espèces.
Source: Lausanne, Delachaux & Niestlé, 192p.
Author: FAO-FIES
Year: 2008
Title: Aquatic Sciences and Fisheries Information System (ASFIS) species list.
Source: Retrieved from http://www.fao.org/fishery/collection/asfis, 29 April 2008.