The Description Osteichthyes in the Mangrove ecosystem area Teunom District Aceh Jaya

This study aims to determine the description of Osteichthyes in Mangrove Ecosystem, Teunom District, Aceh Jaya Regency. The data collection this research was conducted January 2020, and used a survey method with purposive sampling technique. location is set at three stations, namely Lung Gayo divided into 2 Station 1 3 located Rantoe Meureu. Description using Saanin fish identification key book meanwhile. results obtained were that there 20 species, 11 orders, 19 families genera from class mangrove ecosystem, species which found have generally large body shape dark color. conclusion osteichthyes has different characteristics for each species.