sandfish

Short definition from Wiktionary

Noun

1. 1
   Any of genus Gonorynchus (also called beaked sandfishes), long, thin ray-finned fishes (family Gonorychidae)
2. 2
   Any of several marine fishes that burrow into sandy seabeds: in Trichodontidae, a family of perch-like fish
3. 3
   Any of several marine fishes that burrow into sandy seabeds: of species Awaous tajasica, usually sand fish, a species of goby fish (family Gobiidae)
4. 4
   Any of several marine fishes that burrow into sandy seabeds: of species Malacanthus plumieri (sand tilefish, family Malacanthidae)
5. 5
   Any of several marine fishes that burrow into sandy seabeds: of species Diplectrum formosum (sand perch, family Serranidae)
6. 6
   Other animals that notably burrow in sand: sandfish skink (Scincus scincus), a land-dwelling lizard that swims in sand
7. 7
   Other animals that notably burrow in sand: a sea cucumber of species Holothuria scabra or Thelenota ananas.