Scientific Name: Hypselodoris bertschi
Common Name: Bertsch’s hypselodoris

Adult Size: 20 – 40 mm
Depth Range: 5 – 25 m
Biotope / Habitat: Coral reef slopes and rocky outcrops, typically found near sponges which it feeds upon
Diet: Sponge feeder, using its radula to scrape and consume sponge tissue for nutrition and chemical defense
Reproduction: Hermaphroditic; mates reciprocally, with delicate, coiled egg ribbons laid in sheltered reef crevices
Fun Fact: Hypselodoris bertschi’s white body adorned with dark purple lines and yellow-tipped gills and rhinophores make it a striking sight for any keen-eyed diver.

This vivid nudibranch glides gracefully over reef rubble and sponges, its elegant color patterns making it a favorite among macro photographers and reef explorers.