Lembeh — 12 September 2025
- Location seen
- Lembeh, Indonesia
- Date seen
- 2025-09-12
Rostanga sp
© Di Syrett / MacroDivers.com
About this species
- Current scientific name
- Rostanga sp
- Order
- Nudibranchia - Doridoidea (Dorids)
- Type
- Cryptobranchia (Cryptobranch dorids)
- ID confidence
- Probable
- Genus
- Rostanga
- Species
- sp
- Colours
- orange, cream
- Body shape
- Oval
- Rhinophores
- Horizontal
- Gills
- External gill plume
Geographic Distribution
Indo-west Pacific.
Identification
Small squat nudibranchs with single circular gills and lamellate rhinophores.
Behaviour / Habitat
Very cryptic nudibranchs and hard to find. Often found on a branch of coral of almost identical colour.
General Notes
Have not managed to confirm the species of this Rostanga but it could be Rostanga sp 7 in the book Nudibranch & Sea Slug Identification Indo-Pacific 2nd Edition. Rostanga sp 7 is found in Indonesia and is a similar colour. The majority of Rostanga are a deeper shade of orange.
Our Sighting
About our records
All sightings and photographs on this page are from our own dives. Locations shown are places where we have personally recorded this species. About MacroDivers.