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| 2-4cm.
Shell round with brown or black spots. Sandy areas. Sometimes seen
on our Northern shores. |
3-4cm.
Shell round with fine pale brown lines. Body is plain white with brown
underside. Sandy areas among seagrasses. Seen once on Changi. |
2-2.5cm.
Shell round without patterns. Body pale with lots of dark spots. Sandy
areas in calm lagoon near reefs. Sometimes seen on our Southern shores.
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| 2-3cm.
Shell round plain orangey brown. Body reddish in front, foot with
white margin and pattern of bars and red spots. Sandy areas near seagrasses.
Sometimes seen on some of our shores. |
1.5-2cm.
Shell round with 5 rows of brown spots. Body in front with four rows
of orange or pink spots, foot with pattern of white bars. Seen on
Cyrene Reef. |
About
2cm. Shell round, brown with a zig-zag pattern in white. On coral
rubble. Seen once on St. John's Island. |
3-4cm.
Shell spherical with orangey brown bands, a small depression on the
underside. Operculum is chalky and white with a dark spot. Sandy shores.
Sometimes seen on our Northern shores. |
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| 3-5cm.
Shell semi-spherical, plain white sometimes with darker blotches.
A brownish patch on the underside near the shell opening. Operculum
is amber brown. Sandy shores. Commonly seen on our Northern shores. |
5-6cm.
Shell breast-shaped, plain white. Often large bump on the underside
near the shell opening. Operculum is amber brown. Sandy shores. Commonly
seen on our Southern shores. |
4-6cm.
Shell heavy, globular, very flat, smooth and glossy, plain cream or
pale yellow to brown. Deep U-shaped depression on the white underside.
Operculum reddish or yellowish brown. Sandy area near seagrasses.
Sometimes seen on some of our shores.. |
5cm.
Shell heavy, globular, not very flat. Broad white spiral band at spire.
A deep half U-shaped depression underside. Operculum reddish. Sandy
area near seagrasses. Seen once on Cyrene Reef. |
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| The
animal can be 10cm long. Shell small (2cm) thin, white and flat with
a large shell opening and is usually completely covered by the living
animal. Seagrass meadows. Sometimes seen on our shores. |
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