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| About
5cm. Spines black, short. In sandy-silty areas. Sometimes seen in
large groups. Seasonally common on Changi. |
4-5cm. Spines thick with small spines, banded pink and yellow or beige.
Sometimes seen near coral rubble on our Northern shores. |
8-10cm,
spines black sharp, up to 30cm long. On coral rubble. Sometimes seen
on many of our shores, more common in deeper waters. |
5-8cm.
Spines short, white banded maroon. Seasonally common on our Northern
shores. |
Similar
in features to the white sea urchin but with maroon spines instead.
Not as many individuals seen. Seasonally on our Northern shores. |
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| 6-8cm
long. Body teardrop-shaped, deep groove in front and tapered at the
back. Petaloid not obvious in living specimens. Sparse, long spines
banded, with many shorter spines. Sandy areas near reefs on some of
our Southern shores. Seldom seen. |
8-10cm
long. Body oval egg-shaped, without a deep groove in the front. Petaloid
large, Dense short to medium spines. Sometimes seen on Pulau Sekudu. |
About
2cm, oval mostly white with brown petaloid and brown patches. Sandy
areas near reefs. Sometimes seen on Pulau Sekamau. |
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