JENIS DAN KEPADATAN TERIPANG (Holothuroidea) DI PANTAI BALI SELATAN

Abstract

The research wasaimed to theidentifyspecies and density of sea cucumbers at southern
beach of Bali are Mertasari beach, Segara beach, and Mengening beach. The identification of
species was conducted in the Laboratorium of EcologyDepartment of Biology, Faculty of
Natural Science and Mathematics, University of Udayana from December 2013 toJanuary 2014.
A size of 1 x 1m quadrat squaretransect sampling method was employed in this research.
Identification of sea cucumbers was performed based on their morphology and shape of
spicules. GSIwas used to observed reproductionphase of sea cucumber.Two species of sea
cucumbers found ware Holothuria atra and Holothuria sp. Holothuria atra was found at
Mertasari beach, Sanur village, southern of Denpasar and Segara beach, Tuban, Kuta, Badung
while Holothuria sp. was faound atMengening beach. Segara beach showed the highest
densityof4.333 individual/m2,while Mertasari beach showed the lowest density 0.875
individual/m2. GSI Value ofMertasari, Segara, andMengening beach showed the activation
ofphase ofI andII.
Keywords: Holothuroidea, species, sea cucumber, density, GSI