Spotted Nudibranch Head Close Up in Bali

A macro photo shows a Goniobranchus tryoni nudibranch sea slug. Two textured rhinophore tentacles extend upward from its rounded head. Black spots with purple rings dot its smooth tan mantle. A bright purple and blue margin edges its soft body. Dark volcanic sand creates a high-contrast background underwater in Bali. Sharp focus highlights delicate anatomical features of the marine mollusk. Ideal for marine biology textbooks and nature editorial content.