Scientific Name: Thuridilla sp.02 from NSSI2 (green, blue and orange)
Common Name: Unidentified thuridilla

Adult Size: 10 – 20 mm
Depth Range: 5 – 20 m
Biotope / Habitat: Coral reef slopes and algae-covered rocky outcrops, often seen gliding among algae and rubble patches
Diet: Feeds on green algae, using its radula to gently scrape and consume cell contents while incorporating chloroplasts (kleptoplasty)
Reproduction: Hermaphroditic; reciprocal mating occurs, with tiny, coiled egg ribbons laid in algae or on rubble
Fun Fact: Thuridilla sp.2 (green, blue and orange) is known for its striking green body with bright orange-tipped rhinophores and a bold color contrast that adds a pop of color to any reef scene!

This small but vibrant sea slug’s eye-catching green and orange hues make it a delightful find for macro photographers and algae-loving divers.