
Scientific Name: Jorunna parva
Common Name: Sea bunny
Adult Size: 5 – 15 mm
Depth Range: 5 – 30 m
Biotope / Habitat: Coral reefs and rocky slopes, typically seen on sponges which it feeds upon
Diet: Sponge feeder, using its radula to gently scrape and consume sponge tissue for nourishment and chemical defenses
Reproduction: Hermaphroditic; reciprocal mating occurs, with tiny, coiled egg ribbons laid on reef rubble and sponge surfaces
Fun Fact: Jorunna parva is affectionately known as the “sea bunny” because of its soft, fuzzy yellow appearance and adorable ear-like rhinophores — a must-see for any diver!
This tiny but charming nudibranch is a favorite of underwater photographers and marine enthusiasts alike, its fluffy look and delicate movement adding a dash of whimsy to the reef.