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Scalpel
feathery green seaweed
Caulerpa scalpelliformis*
Family Caulerpaceae
updated
Aug 10
Where
seen?
This feathery green seaweed is commonly seen on our Northern shores,
growing on sandy bottoms, often on mounds of sand and sometimes on
hard surfaces. It is seasonally abundant, and can cover large areas
when it is in 'bloom'. Small patches sometimes seen on our Southern
shores.
Features: A feather-like structure
5-6cm long. The mid-rib or central 'stem' of the feathery structure
is flat and usually with a width wider or the same as the length of
the side 'branches'. The side 'branches' are short, flat and have
rounded to bluntly pointed tips. These little feathery structures
emerge along the length of a 'stem' that creeps over hard surfaces
or just under the sand.
Colours generally dull green.
Sometimes confused with other
feathery green seaweeds or with seagrasses.
Here's more on how to tell apart different
feathery green seaweeds and how to tell apart feathery
green seaweeds and seagrasses. |

A
bloom of this seaweed sometimes
covers large areas of the shore.
Chek Jawa, Aug 07
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Changi, Apr 05
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Changi, May 05
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Chek Jawa, Aug 07
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Scalpel
feathery green seaweeds on Singapore shores

Pulau Sekudu, Sep 07

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Chek Jawa, Aug 05

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Labrador, May 06

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Tanah Merah, Aug 09

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Sentosa, Apr 09

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Sentosa, Mar 09

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