Sandfish n. : A small marine fish of the Pacific coast of North America (Trichodon trichodon) which buries itself in the sand.

Example:
I just bought a Sandfish skink and i'm wondering if it hibernates?

Taxonomy
Sandfish, sand, Scincus scincus, species, free encyclopedia, swims, eyes, limbs, Desert Sand, swimming in sand, search, Kingdom, Phylum, Family, Genus, burrows, North Africa, pet.

Defination from the web:
sandfish originated because of its ability to move through sand as if it were swimming. Adult sandfish usually reach about 8 inches (20 ... The sandfish has developed a peculiar way of dealing with the desert heat: it possesses the ability to dive into the (soft) sand. ...