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Phylum Mollusca > Class Gastropoda > sea slugs > Order Anaspidea
Spotted sea hare
Aplysia oculifera*
updated Oct 2016
Where seen? This large spotted sea hare is seasonally seen on many of our shores, on sandy sheltered areas among or near seagrasses.

Features: 8-10cm. Large, long, fleshy body smooth, brownish sometimes with a greenish or bluish, with mottled dark and white pattern made up of characteristic brown eye-spots all over the head an parapodia. The inner surface of the 'wings' (called parapodia) has white spots which form short thin white bars along the edges. Large flappy oral tentacles, smaller rhinophores. Sometimes with a narrow white stripe along the edges of the oral tentacles, with a white stripe in the middle.

Has been seen half buried in soft sediments. It releases a purple dye when distressed.

Changi, May 10

Changi, May 11

Tanah Merah, Jun 09

*Identification needs to be confirmed. Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.

Spotted sea hares on Singapore shores

Photos Spotted sea hares for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Beting Bronok, Jun 10
Photo shared by Loh Koh Sheng on his flickr.

Changi, May 11
Photo shared by James Koh on his blog.

Changi, Apr 15
Photo shared by Marcus Ng on facebook.

Pulau Sekudu, May 04

Tuas, Oct 12
Photo shared by Loh Kok Sheng on flickr.

Releasing purple dye.
Kusu Island, Mar 06

Half buried in sediments
Kusu Island, Mar 06

Seringat-Kias, Aug 15
Photo shared by Loh Kok Sheng on flickr.

Cyrene Reef, Jun 12
Photo shared by Russel Low on facebook.

Pulau Hantu, May 14
Photo shared by Rene Ong on facebook.

Terumbu Raya, Feb 14
Photo shared by Russel Low on facebook.

Pulau Semakau East, Jun 17
Photo shared by Dayna Cheah on facebook.

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.
  • Humann, Paul and Ned Deloach. 2010. Reef Creature Identification: Tropical Pacific New World Publications. 497pp.
  • Kuiter, Rudie H and Helmut Debelius. 2009. World Atlas of Marine Fauna. IKAN-Unterwasserachiv. 723pp.
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