Siphonocladales, Shiphonocladaceae
Boergesenia forbesii (Harvey) Feldmann

In natural habitat.
Photo Data
- Place
- : Samui Island, Surat Thani.
- Depth
- : 1.0 m
These plants are slightly curved, cudgel-shaped, fluid-filled, light greenish and transparent in color, and grow up to 3-5 cm long. This species forms clumps on rocks that are occasionally covered with sand in lower intertidal to subtidal zones along calm shorelines such as reef flats.

Fresh specimen.