Scientific Name: Phyllidia alyta
Common Name: Alyta’s phyllidia

Adult Size: 20 – 40 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reef slopes and rocky outcrops, often seen on sponges which it feeds upon
Diet: Sponge feeder, using its radula to gently scrape and consume sponge tissue for nutrition and chemical defense
Reproduction: Hermaphroditic; mates reciprocally, laying coiled, ribbon-like egg masses in hidden reef crevices
Fun Fact: Phyllidia alyta’s distinctive tubercles and blue body create a striking appearance that is instantly recognizable among the reef’s vibrant sponges!

This robust nudibranch’s contrasting colors and bumpy textures make it a standout in the reef environment, a favorite for macro photographers and marine enthusiasts alike.