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Phylum Mollusca > Class Gastropoda > sea slugs > Order Sacoglossa > Family Elysiidae
Woolly leaf slug
Elysia cf. verrucosa*
Family Elysiidae
updated Aug 10
Where seen? This tiny slug appears woolly or fuzzy. It is sometimes seen on many of our shores, usually on green seaweeds. Sometimes, they occur in large numbers.

Features: 1.5-2cm. Tiny slug with a pair of 'wings' (called parapodia) often held in ruffles. The body texture of tiny bumps gives it a fuzzy or woolly appearance. There is a pair of 'rolled up' tentacles: look like rolls of tissue with a hollow centre, not solid tentacles like other slugs. Generally pinkish with black spots. Some have a black border around the parapodia. Some are very fast moving.

It appears to feed on Bee hoon green seaweed (Chaetomorpha sp.). It is also abundant on Hairy green seaweed (Bryopsis sp.).

About 1cm long. Seen on
Coin green seaweed
(Halimeda sp.)
Labrador, Jul 05

Woolly leaf slugs on Singapore shores


Sisters Islands, Sep 05


Sentosa, Nov 10

Sentosa, Nov 10

Sentosa, Nov 10


Chek Jawa, Jul 05

Chek Jawa, Jul 05

Chek Jawa, Jul 05

more photos of woolly leaf slugs on Singapore shores
northern shores | southern shores


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

References

  • Sacoglossa (Mollusca: Gastropoda: Opisthobranchia) from Singapore. Kathe R. Jensen. Pp. 207-223. [pdf, 2.31 MB]
  • 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.
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