It prefers sandy or muddy substrates with occasional rocks .
Callionymus erythraeus , the Smallhead dragonet , is a species of dragonet native to the western Indian Ocean where it occurs at depths of from 1 to 10 metres ( 3.3 to 32.8 ft ) .
Smallhead dragonet prefers sandy or muddy substrates with occasional rocks .
Callionymus erythraeus , the Smallhead dragonet , is a species of dragonet native to the western Indian Ocean where it occurs at depths of from 1 to 10 metres ( 3.3 to 32.8 ft ) .