Delminichthys krbavensis
Delminichthys krbavensis, the Krbava minnow, is a species of freshwater ray-finned fish belonging to the family Leuciscidae. This species is found in southeastern Europe.
It is found only in Krbavsko Polje in Croatia, in a single karstic freshwater spring.
It has disappeared from stream habitats, and is threatened by further habitat loss.