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Seaweeds > Division Chlorophyta > Family Caulerpaceae > genus Caulerpa
Mexican feathery green seaweed
Caulerpa mexicana*
Family Caulerpaceae
updated Aug 10

Where seen? This short green seaweed is commonly seen on our Southern shores among coral rubble.

Features: A feathery structure 1-3cm long. The central 'stem' of the feathery structure is flat. The side 'branches' of the feathery structure are short, flat, broad (about the same width as the central 'stem') and have 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.

Its scientific name is mexicana because the seaweed was originally described from specimens from Mexico.

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.

Tuas, Apr 05

Turns transparent after releasing spores?
Pulau Jong, Jul 06

Releasing spores?
Pulau Jong, Jul 06

Mexican feathery green seaweeds on Singapore shores

St. John's Island, Sep 04

Sentosa, Jul 05

Raffles Lighthouse, May 04


Terumbu Pempang Laut, Aug 10

Sisters Islands, Jul 04

Terumbu Selegie, Jun 11

more photos of mexican seaweeds on Singapore shores
northern shores | southern shores

*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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