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Phylum Mollusca > Class Gastropoda > sea slugs > Order Nudibranchia
Phidiana nudibranch
Phidiana militaris
Family Facelinidae
updated Oct 2016
Where seen? This pretty nudibranch was seen once, at Changi.

Features: About 2cm long. Long, narrow, soft body with
many long finger-like structures (called cerata) arranged in rows across the body. It is identified by the orange lines running along the side of the body over the head and along the long oral tentacles. The oral tentacles, the corners of the foot and rhinophores are tipped yellow and the oral tentacles have orange stripes.

Changi, Apr 05

Striped long oral tentacles,
shorter rhinophores with orange tips.

Phidiana nudibranchs on Singapore shores

Photos of Phidiana nudibranchs for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Pulau Sekudu, Jun 17
Photo shared by Toh Chay Hoon on facebook.

  • 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.
  • Coleman, Neville. 2001. 1001 Nudibranchs: Catalogue of Indo-Pacific Sea Slugs. Neville Coleman's Underwater Geographic Pty Ltd, Australia.144pp.
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