favorinus tsuruganus is a species of aeolid nudibranch

aeolid anilao animal animals aquatic asia background bali beautiful biodiversity biology closeup colorful coral critter dive diving facelinidae family favorinus gastropod gastropods indonesia lembeh life macro marine molluscs mollusk natural nature nudibranch ocean orange photography reef reefs ringed scuba sea seaslug slug species tropical tsuruganus tulamben underwater underwaterphotography water wild wildlife world yellow