'Hairy
olives' sponge
Stelletta clavosa*
Family Ancorinidae
updated
Oct 2016
Where
seen?
This tiny spherical olive-coloured and olive-shaped sponges with fine
filaments are sometimes seen sprinkled on coral rubble or even on
other sponges. This sponge is highly tolerant of silt and can be found
on most reefs.
Features: About 2cm in diameter, spherical covered with
short, fine spines. May be slightly flattened at the top. There is
a single large hole at the top. Called the oscule, this is where water
is expelled from the tiny sponge. Colour usually dull olive green,
may also be yellow.
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Terumbu Berkas, Jan 10
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Cyrene Reef, Jul 10
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Pulau Hantu, Apr 10
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Beting Bemban Besar, Mar 12
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Pulau Salu, Jun 10
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Pulau Senang, Jun 10
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Terumbu Berkas, May 10
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*Sponge
species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of
display.
'Hairy
olives' sponges on Singapore shores |
Other sightings on Singapore shores |
Pulau Jong, Aug 20
Photo shared by Joleen Chan on facebook. |
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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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