Keragaman Ikan Karang Famili Chaetodontidae di Perairan Pulau Ungge Kabupaten Tapanuli Tengah

Abstract

Coral reef is one of important ecosystem for sustainability of seashore and ocean region. Coral reef has function as buffer for living of seashore and ocean`s biota such as coral fish research abaut biodeversity of coral fish. Family chaetodontidae and its relation to marine`s physical and chaemical characteristics in pulau ungge tapanuli tengah. Has been conducted on february 2015 using purpossive random sampling based on the activity difference and the position of the island. 5 species coral fish from family chactodontidae which are Chaetodon collare, Chaetodon triangulum, Chaetodon trifasciatus, Heniochus diphreutes and heniochus pleurotaenia, which there in two general are chaetodon and heniochus. The highest density of first station is in chaetodon collare in 0,023 ind/m3. In second station is heniochus pleurotaenia in 0,013ind/m3 in thrid station is heniochus pleurotaenia in 0,019 ind/m3 highest diversity index`s point shanon-wener (h`) is in frist station in 1,45 and highest similarity indeks ( E`) is in third station in 0,99 light intensity, ph and BOD5 is stronger influence for biodeversity of coral fish, famili Chaetodontidae in ungge island.