CAPE TOWN — Pictographs of the golden gills of Clanwilliam sandfish, endemic only to the Olifants-Doring River basin, stretch across rocky walls of sandstone caves in South Africa’s Cederberg ...

Sandfish migrate to the Biedouw River to spawn. They must swim through fences and over rocks, which takes a toll on them. Jeremy Shelton Sandfish are migratory freshwater fish found only in South ...

A local man shows off a sandfish at the Al Kubaisi Educational Reserve in Qatar. This is a fish that lives in sand.

It moves as quickly in sand as a fish moves through water, which is why this lizard, a species of skink (Scincus scincus) that grows to about 15 cm long and lives in the deserts of North Africa and ...