seen? These tiny nondescript snails are sometimes seen near
mangroves or in silty parts of seagrass areas on some of our shores.
Often seen in groups, it is more active at night.
Features: About 1cm. Shell thin
and oval, usually a dull colour. The body of the snail can expand
to be much larger than the shell. Some release a sticky purple secretion
when disturbed. Like other headshield
snails it has a shield over the front of the body which is used
to plough through the sediments. It has a pair of wing-like extensions
of the body (called parapodia) which envelope the shell. It lacks
tentacles and an operculum.
Chek Jawa, Apr 04
Releasing purple secretion.
Chek Jawa, Feb 07
|What does it eat? It grazes on
algae growing on mangrove mud, usually feeding in shady parts of the
Human uses: Some bubble-shell
snails are eaten, preserved in soya sauce and fermented bean paste.
The Malay name for a Haminoea species is Siput Bawang or Onion
Chek Jawa, Jan 10
Chek Jawa, Feb 07
Sometimes seen in a row.
Chek Jawa, Apr 08
|Bubble-shell snails on Singapore shores
|Other sightings on Singapore shores
Pasir Ris Park, Dec 09
shared by James Koh on his blog.
Pulau Sekudu, Jul 16
shared by Neo Mei Lin on facebook.
Tuas, Dec 14
shared by Toh Chay Hoon on facebook.
Lazarus Island, Nov 19
shared by Jianlin Liu on facebook.
Haminoeidae recorded for Singapore
Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist
of The Molluscs of Singapore.
+Other additions (Singapore Biodiversity Record, etc)
Atys naucum (White nut sheath bubble shell)
Haminoea sp. (Mangrove bubble-shell
- Toh Chay Hoon & Tan Siong Kiat. 10 July 2015. White nut sheath bubble shell Atys naucum at Pulau Hantu. Singapore Biodiversity Records 2015: 91
- Toh Chay Hoon & Tan Siong Kiat. 10 July 2015. First record of bubble snail Limulatys okamotoi in Singapore. Singapore Biodiversity Records 2015: 94
- 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.
Neville. 2008. Nudibranchs
Encyclopedia - Catalogue of Asia/Indo Pacific sea slugs.
Neville Coleman's World of Water, Australia. 415pp.
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.
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.