Definition of sandfish:
(n) :
Any of several marine fishes that burrow into sandy seabeds
(n) :
Any of genus Gonorynchus (also called beaked sandfishes), long, thin ray-finned fishes (family Gonorychidae)
(n) :
of species Malacanthus plumieri (sand tilefish, family Malacanthidae)
(n) :
of species Diplectrum formosum (sand perch, family Serranidae)
(n) :
of species Awaous tajasica, usually sand fish, a species of goby fish (family Gobiidae)
(n) :
in Trichodontidae, a family of perch-like fish