Adults mostly observed singly on sandy bottoms, whilst juveniles observed in small groups in sheltered waters near reefs or over boulders. Study in Japan reported that all females and males are sexually mature at around 14.3 cm and 13.6 cm (Standard Length) respectively. Can live up to 6 years for male fish, whereas females reach 8 years. Feeds on small crustaceans and worms on sandy bottoms.