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Siphonocladales, Valoniaceae

Valonia utricularis (Roth) C. Agardh

Valonia utricularis (Roth) C. Agardh photoIn natural habitat.
Photo Data
: Samui Island, Surat Thani.
: 1.5 m
These plants are composed of fluid-filled, dark greenish cylindrical and branched segments that are narrow, 1-2 mm in diameter and 1.5-2.0 cm long. This seaweed creeps on rocks that are covered with a thin sand layer in lower intertidal zones along shorelines with calm water movement such as reef flats or in tidal pools.

Valonia utricularis (Roth) C. Agardh photo2
Close-up view of branched segment of fresh specimen.