Scientific Name: Hypselodoris bullockii
Common Name: Bullock’s hypselodoris
Adult Size: 20 – 50 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reefs and rocky slopes, often seen gliding over sponges and coral rubble
Diet: Sponge feeder, using its radula to consume sponge tissue for nourishment and chemical defense
Reproduction: Hermaphroditic; mates reciprocally, laying delicate, coiled egg ribbons on sheltered reef surfaces
Fun Fact: Hypselodoris bullockii is instantly recognizable by its smooth, violet to pinkish mantle and bright orange gills and rhinophores, making it a favorite subject for underwater photographers.
This striking nudibranch’s vibrant colors and smooth body make it stand out against the reef, offering a brilliant pop of color in the coral kingdom.