nudibranchs text index | photo index
Phylum Mollusca > Class Gastropoda > sea slugs > Order Nudibranchia > Genus Hypselodoris
Maritima hypselodoris nudibranch
Hypselodoris maritima
Family Chromodorididae
updated May 2020
Where seen? This small boldly patterned nudibranch is sometimes seen on some of our shores.

Features: 2-3cm. Body oval. White body with black marks all over - large blotches or smaller spots. Along the inner margin, yellow or orange wide smudged line or series of spots. Outer margin black spots on pale blue to bright blue line or spots. Large flower-like gills on the back and large rhinophores (relative to the body size). Gills white edged in red or orange. Rhinophores white, tipped with red or orange.

Tuas, Jul 05

Maritima hypselodoris nudibranchs on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Changi, May 21
Photo shared by Jianlin Liu on facebook.

Pulau Sekudu, May 12
Photo shared by James Koh on his blog.

Pulau Sekudu, Jul 19
Photo shared by Marcus Ng on facebook.

Pulau Sekudu, Jul 19
Photo shared by Rene Ong on facebook.

Beting Bronok, Jun 14
Photo shared by Loh Kok Sheng on his blog.

Beting Bronok, Jun 21
Photo shared by Jianlin Liu on facebook.

Tuas, Mar 15
Photo shared by Marcus Ng on facebook.

Thanks to Toh Chay Hoon for sorting out the Hypselodoris from the Chromodoris photos.


  • Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist of The Molluscs of Singapore (pdf), Raffles Museum of Biodiversity Research, National University of Singapore.
  • Chou, L. M., 1998. A Guide to the Coral Reef Life of Singapore. Singapore Science Centre. 128 pages.
  • Debelius, Helmut, 2001. Nudibranchs and Sea Snails: Indo-Pacific Field Guide IKAN-Unterwasserachiv, Frankfurt. 321 pp.
  • Wells, Fred E. and Clayton W. Bryce. 2000. Slugs of Western Australia: A guide to the species from the Indian to West Pacific Oceans. Western Australian Museum. 184 pp.
  • Coleman, Neville. 2001. 1001 Nudibranchs: Catalogue of Indo-Pacific Sea Slugs. Neville Coleman's Underwater Geographic Pty Ltd, Australia.144pp.
  • Coleman, Neville, 1989. Nudibranchs of the South Pacific Vol 1. 64 pp.
  • Humann, Paul and Ned Deloach. 2010. Reef Creature Identification: Tropical Pacific New World Publications. 497pp.
  • Gosliner, Terrence M., David W. Behrens and Gary C. Williams. 1996. Coral Reef Animals of the Indo-Pacific: Animal life from Africa to Hawaii exclusive of the vertebrates Sea Challengers. 314pp.
links | references | about | email Ria
Spot errors? Have a question? Want to share your sightings? email Ria I'll be glad to hear from you!
wildfactsheets website©ria tan 2008