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Phylum Mollusca > Class Gastropoda > sea slugs > Order Nudibranchia > Family Phyllidiidae
Pimply phyllid nudibranch
Phyllidiella pustulosa
Family Phyllidiidae
updated Sep 12

Where seen? This nudibranch with clusters of bumps is often encountered on our Southern shores, on coral rubble and reefs.

Features: 4-5 cm long, small ones about 1cm can be quite common on some shores. Body long, hard with bumps (called tubercles) that are clustered in groups. The bumps may be pink, red, grey, green or blue. There is a coloured margin around the edge of the body. The short rhinophores are black. There is no stripe along the underside of the foot. The black background forms more of a networked pattern. In other similar looking phyllid nudibranchs, the black background forms lines.

Kusu Island, May 05

Pulau Hantu, Feb 06

Gills on the sides of the body.

Coloured margin around the body edge.

Tiny ones about 1cm are sometimes seen.
Pulau Hantu, Mar 06

Some have pink bumps.
Pulau Hantu, Mar 06

Terumbu Raya, Jul 11
Photo shared by Lok Kok Sheng on his blog.

Terumbu Raya, Jul 11

Eating a sponge?

Pimply phyllid nudibranchs on Singapore shores

Photos of Pimply phyllid nudibranchs for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Terumbu Raya, May 10
Photo shared by Geraldine Lee on her blog.

Terumbu Pempang Darat, Jun 10
Photo shared by James Koh on his blog.

Terumbu Bemban, Jun 15
Photo shared by Loh Kok Sheng on facebook.

Pulau Biola, May 10

Pulau Pawai, Dec 09
Photo shared by Loh Kok Sheng on his flickr.

Terumbu Raya, Jun 15
Photo shared by Juria Toramae on facebook.

phyllidia nudibranch @ tBembanBesar 22Apr2011 from SgBeachBum on Vimeo.

  • 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.
  • 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.
  • 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.
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