S. indicus is recorded to be found in a marine environment within a reef-associated depth range of. This species is native to a tropical climate. They are found in areas of sandy or muddy bottoms of waters that are prone to currents. This species is known to bury itself in the sand.
Size
The maximum recorded length is about as an unsexed male. The common length is about as an unsexed male.
Commercial
S. indicus is sold both fresh and dried and salted in markets. This species is bred in fisheries for human commercial uses.