Scientific Name: Gymnodoris ceylonica
Common Name: Ceylon gymnodoris

Adult Size: 20 – 40 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reefs and rocky slopes, usually seen gliding over sandy patches and rubble areas
Diet: Carnivorous; preys on other nudibranchs and small marine invertebrates, using its powerful jaws and radula to consume them whole
Reproduction: Hermaphroditic; mates reciprocally, laying spiral-shaped egg ribbons on hard surfaces or among rubble
Fun Fact: Gymnodoris ceylonica’s bright white body with red spots is both a warning and a striking display — it’s a hunter, not a grazer!

This vibrant nudibranch is a voracious predator on the reef, with a sleek, streamlined body that’s easy to spot as it hunts for prey. Its bold colors and active behavior make it a fascinating find for divers and photographers.