Trinchesia sibogae

Trinchesia sibogae is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Trinchesiidae.

Distribution
This species was described from Kangean Island, Indonesia. Trinchesia sibogae is widespread throughout the tropical waters of the Indo-West Pacific region. This species is large for this family, with a maximum size of 35 mm length.