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Phylum Mollusca > Class Gastropoda > sea slugs > Order Nudibranchia
Bohol nudibranch
Discodoris boholiensis
Family Discodoridae
updated Oct 2016
Where seen? This large flat nudibranch is often seen on many of our shores, usually near coral rubble or reefs. Sometimes, several may be seen during one visit.

Features: 6-10cm long. The hard body is broad and rather thin and flat, and covered with small brown-tipped bumps. Distinguished by the prominent hump along the centre of the otherwise flat animal. Patterns and colours are quite variable, generally brownish to black with paler markings. The flower-like gills are dark brown with white lines. Rhinophores large and thick with white stripes and bars.

It is named after the Bohol Islands in the Philippines.

Avoid handling the animal as it easily breaks off (autotomises) portions of its body (mantle skirt). Under the mantle skirt is the foot with another pair of tentacles.

What does it eat? It eats sponges.

Sentosa, Jan 06

Rhinophores.

Underside.

A pair of tentacles on the underside.

Feathery gills.

Bohol nudibranchs on Singapore shores

Photos Bohol nudibranchs for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Pulau Sekudu, Apr 03

Beting Bronok, Jun 10
Photo shared by Loh Kok Sheng on his blog.

Tuas, Jun 10
Photo shared by Toh Chay Hoon on her blog.


Seringat-Kias, Nov 14
Photo shared by Loh Kok Sheng on facebook.

Pulau Jong, Jun 12
Photo shared by Loh Kok Sheng on his blog.

Terumbu Selegie, Jun 11

Photo shared by Neo Mei Lin on her blog.


Terumbu Semakau, May 10
Photo shared by Loh Kok Sheng on his blog.

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


Terumbu Pempang Kecil, Jun 16
Photo shared by Marcus Ng on facebook.

Terumbu Pempang Tengah, May 11
Photo shared by Loh Kok Sheng on flickr.
 


Beting Bemban Besar, Nov 14
Photo shared by Marcus Ng on facebook.

Terumbu Berkas, Jan 10
Photo shared by Loh Kok Sheng on his flickr.
 

uw spectacular discodoris nudibranch @ cyrene from SgBeachBum on Vimeo.


Links
References
  • 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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