Anilao — 29 January 2026
- Location seen
- Anilao, Philippines
- Date seen
- 2026-01-29
Thuridilla gracilis
Slender Sap-sucking Slug
© Di Syrett / MacroDivers.com
About this species
- Current scientific name
- Thuridilla gracilis
- Common name
- Slender Sap-sucking Slug
- Previous names
- Elysia gracilis, Thuridilla bayeri, Thuradilla ratna
- Previous genera
- Elysia
- Order
- Sapsucking slugs (Sacoglossa)
- Type
- N/A
- ID confidence
- Confirmed
- Genus
- Thuridilla
- Species
- gracilis
- Average size
- 25 mm
- Colours
- white, black, blue, orange, green
- Pattern
- Spots, Stripes
- Body shape
- Elongate
- Rhinophores
- Rolled
- Gills
- Hidden
Geographic Distribution
Indian and western Pacific Oceans.
Identification
Dark with green and/or white thin lines. Some individuals also have blue spots.
Behaviour / Habitat
Usually seen crawling along the bottom.
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.