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Phylum Mollusca > Class Gastropoda > sea slugs > Family Onchidiidae
Long onch slug
awaiting identification*
Family Onchidiidae
updated Jan 11
Where seen? This small long slug is often seen on mangrove trees, usually at night, crawling along leaves or branches.

Features: 2-3cm. Body hard, long and narrow and rounded. Skin smooth with regular bumps. Generally greyish or brown. Sometimes with spots. One seen had opaque white spots which made it look powdery. Eyes on long thin stalks. Underside and narrow foot are white.

Lim Chu Kang, Aug 05

Underside

Closeup of upperside.

Eyes on stalks.

Long onch slugs on Singapore shores

Sungei Buloh Wetland Reserve, Nov 03

Pasir Ris Park, Dec 03

Lim Chu Kang, Aug 05
Underside


Karnji, Dec 10

Karnji, Dec 08

Kranji Nature Trail, Jan 11


Pulau Semakau, Dec 08

Karnji, Dec 08


Sungei Buloh Besar, Apr 11

Sungei Buloh Besar, Apr 11

*Species are difficult to positively identify without close examination.
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