| Similar results have been obtained by crossing Pachon and Subterraneo cavefish. |
| Closed as a tourist attraction in 1943, Horse Cave has been successfully restored, even luring back the rare blind cavefish. |
| Southern cavefish are important members of their ecosystems and important research subjects for understanding evolution in extreme environments. |
| When the Ozark cavefish was listed as endangered in 1984, over collection was listed as one of the primary threats. |
| Researchers work in the dark caves where the Ozark cavefish evolved with no eyes. |
| However, the cavefish eye seems to develop normally up to about the hatching stage, forming a lens and optic cup. |
