In the rivers and lakes of Turkey, ten species of loaches of the genus Cobi
tis occur, viz. C. fahireae, C. varderensis, C. splendens, C. kellei, C. pu
ncticulata, C. strumicae, C. levantina, C. turcica, C. simplicispina and C.
bilseli. Cobitis bilseli is separated into a new subgenus, Beyshehiria.