Abstract:
This research aims to know the kinds of sea cucumber. Samples were collected in the coastal waters of Natuna,
RiauIslands Province in June 2009. Samples were taken from two locations: Sepempangand Pengadah beach.
Observations in a sample using the method transek quadrant 5 x 5 m. The sample on mikrohabitat done with snorkeling.
Samples were collected later identified by virtue of differences marfology. Based on analysis of form, color, and type
spicules found 16 a species in two locations, are, 7 species of aquatic Sepempang and 10 species of aquatic pengadah and
1 species found on both location consisting of the family: Holothuriidae and Stichopodidae. Of the genus Holothuria found 4
species and of the genus Stichopus found 3 species for waters Sepempang. While for waters Pengadah of the family:
Holothuriidae found 4 genus i.e. Holothuria with 3 species, Actynopyga one species out Bohadschia 2 species,
Pearsonothuria 1 species and to the family Stichopodidae found one genus Stichopus with 3 species.
