Dictyotales, Dictyotaceae
Dictyota mertensii (Martius) Kützing

In natural habitat.
Photo Data
- Place
- : Sukorn Island, Trang.
- Depth
- : 3.5 m
The plants are erect, bushy and grow up to 6-15 cm in height. The branches are
strap-shaped and divided
alternate-
dichotomously. They are 3-5 mm wide, with
entire margins and
aculeate tips. This seaweed is similar to
D. spinulosa however no
spines are observed on the
blade surface of this
alga. It is found on rocks and
gravel in lower
intertidal to
subtidal zones along moderately wave exposed shorelines.

Fresh specimen.

Close-up view of strap-shaped branches with aculeate tips and smooth surface.