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Phylum Arthropoda > Subphylum Crustacea > Class Cirripedia
Sponge barnacle
Membranobalanus longirostrum
Family Archaeobalanidae
updated Mar 2020

Where seen? The tiny feathery feet of this barnacle is sometimes seen in Chocolate sponges.

Features: Feet 0.5cm long extended out of holes in the sponge, transparent with tiny white spots. Shell embedded in the sponge and not visible.

Pulau Hantu, May 05

Sentosa, Sep 08

Sisters Island, May 08

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

Sponge barnacles on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Cyrene Reef, Aug 12
Photo shared by Marcus Ng on flickr.

Pulau Tekukor, Sep 19
Photo shared by Marcus Ng on facebook.

Terumbu Pempang Tengah, May 23
Photo shared by Marcus Ng on facebook.

Terumbu Pempang Tengah, Jul 19
Cyrene Reef, Aug 12
Sponge commensals

Links References
  • Lim Swee Cheng, Nicole de Voogd and Tan Koh Siang. 2008. A Guide to Sponges of Singapore. Singapore Science Centre. 173pp.
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