Scientific Name: Phyllidiella rosans
Common Name: Rosy phyllidiella

Adult Size: 20 – 40 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reef slopes and rocky outcrops, typically seen on or 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; reciprocal mating occurs, with small, coiled egg ribbons laid in hidden reef areas
Fun Fact: Phyllidiella rosans stands out with its stunning bright pink ridges and contrasting black background, making it one of the most colorful phyllidiid nudibranchs!

This dazzling nudibranch’s bright coloration and elegant undulating movements make it a favorite for underwater photographers and a highlight for divers exploring vibrant reefs.