Scientific Name: Hypselodoris tryoni
Common Name: Tryon’s hypselodoris

Adult Size: 20 – 50 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reef slopes and rocky outcrops, often seen gliding over sponges and coral rubble
Diet: Sponge feeder, using its radula to gently scrape and consume sponge tissue for nutrition and chemical defense
Reproduction: Hermaphroditic; reciprocal mating occurs, with delicate, coiled egg ribbons laid in safe reef crevices
Fun Fact: Hypselodoris tryoni’s creamy body is covered in striking purple or brown spots, with elegant purple-lined edges and bright purple-tipped gills and rhinophores — a true standout on any tropical reef!

This elegant nudibranch’s soft, creamy base and intricate spot patterns make it a highlight for divers and underwater photographers exploring vibrant reef ecosystems.