Thuridilla gracilis(Risbec, 1928)
Biology:
Members of the genus Thuridilla are brightly colored but not cryptic and are found crawling on substrates other than the algae they eat (Gosliner, 1995).
Habitat:
- 2 specimens found on marine lab rock wall (diving), 2 from shallow coral rubble of Cocos lagoon (Krug, pers. observation, 2009)