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Phylum Mollusca > Class Gastropoda > sea slugs > Family Onchidiidae
Long onch slug
awaiting identification*
Family Onchidiidae
updated Jun 2020
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

Eyes on stalks.


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

Long onch slugs on Singapore shores
On wildsingapore flickr
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