Anilao — 25 January 2026
- Location seen
- Anilao, Philippines
- Date seen
- 2026-01-25
Hypselodoris krakatoa
Volcano or Krakatoa nudibranch
© Di Syrett / MacroDivers.com
About this species
- Current scientific name
- Hypselodoris krakatoa
- Common name
- Volcano or Krakatoa nudibranch
- Order
- Nudibranchia - Doridoidea (Dorids)
- Type
- cryptobranchia
- Genus
- Hypselodoris
- Species
- krakatoa
- Average size
- 55 mm
- Colours
- purple, brown, red
- Pattern
- blotches
- Body shape
- Oval
- Rhinophores
- Horizontal
- Gills
- External gill plume
- Similar species
- Hypselodoris reidi
Geographic Distribution
Western Pacific Ocean.
Identification
Dorsum cream with red/brown blotches. Purple on the foot edge. The prominent feature of this nudibranch is the elevated gill pocket with the gill plumes extending from the top. They can retract into the pocket. Rhinophores lamellate and retractile.