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Phylum Mollusca > Class Gastropoda > sea slugs > Order Nudibranchia
Bumpy-faced armina nudibranch
Armina sp.
Family Arminidae
updated Oct 08

Where seen? This armina nudibranch is often seen on Changi and some of our Northern shores among seagrass meadows with sea pencils.

Features: 3-4cm long. Long, narrow body with stripes and a white border on the edge of the mantle skirt. The foot is white too. The shield-shaped oral veil has finger-like bumps on it. It is often seen burrowing in sand. Debelius says the bumps is distinctive of A. japonica, Dr Bill Rudman thinks otherwise.

Sometimes mistaken for
Semper's armina nudibranch (Armina semperi) that has a more colourful oral veil and foot and lacks 'bumps' on its face.

What does it eat? As a group, the armina nudibranchs eat soft corals and sea pens. The bumpy-faced armina nudibranch is often seen near sea pencils. It is possible that they eat the sea pencils. There's so much more to learn about our shores!

Next to a sea pencil.
Changi, Jun 05
Bumps on the face.

Changi, Aug 05

Egg mass next to it?

Bumpy-faced armina nudibranch on Singapore shores

Changi, Jul 05

Changi, Jul 05

Changi, May 05


Changi, Jul 05


Chek Jawa, Apr 04
   

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