A study on the presence of recent ostracoda in the offshore sediment had been done at Pulau Tioman, Pahang. A total of 12 sediment samples were taken for this study. 34 species, 28 genera and 14 families had been identified from a total of 1,985 ostracoda specimens. Station ST4 recorded the highest abundance of ostracoda with 442 specimens and followed by station ST5 with 322 specimens while station ST12 recoded the lowest abundance with only 29 species. From the 34 species discovered, Loxoconcha paiki was the most dominant species with 198 individuals, followed by Pistocythereis bradyi with 192 individuals and Venericythere papuensis with 188 individuals. As for the family, Trachyleberididae is the most dominant family with a total of 478 specimens (representing 24.08% of the total specimens).
Keywords: Offshore sediment; Pulau Tioman; recent ostracoda