Scientific Name: Goniobranchus albonares
Common Name: Yellow-margined goniobranchus

Adult Size: 20 – 35 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reef slopes and rocky outcrops, often seen gliding over sponges and hard substrates
Diet: Feeds on specific sponges, using its radula to graze on the sponge tissue for nutrition and defense
Reproduction: Hermaphroditic; reciprocal mating occurs, with delicate, coiled egg ribbons laid in crevices or on hard surfaces
Fun Fact: Goniobranchus albonares is instantly recognizable by its vibrant yellow and orange mantle margin, contrasting beautifully with its creamy white body — a true gem of the reef!

This elegant nudibranch adds a splash of color to coral reefs with its white body and vivd orange/yellow border. A favorite of underwater photographers and keen-eyed divers, it’s a dazzling reminder of reef diversity.