Scientific Name: Phyllidiopsis xishaensis
Common Name: Xisha phyllidiopsis

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 safe reef crevices
Fun Fact: Phyllidiopsis xishaensis is distinguished by its soft, pale body with unique black to dark purple lines and small tubercles, making it a subtle but striking presence on the reef.

This rare and distinctive nudibranch is a fascinating find for keen-eyed divers and macro photographers, offering a refined elegance to the vibrant coral kingdom.