Data from Fisheries and Maritime Affairs Thousand Islands goverment in 2009 there were 1722 people living as fishermen, with 299 people living as muroami fishermen. Muroami Fishermen is one of the informal sector jobs which have high dangers of occupational health and safety, until now the fishermen don’t know the danger of their jobs.The study is descriptive with the approach of this qualitative analysis, aims to find the description on the danger of muroami fishing activities catch of fish, in Kelurahan Panggang Island, Thousand Islands District. This study only observed without intervention to the compressor divers as subjects of research. Hazard identification methods used Job Hazard Analysis. The results obtained OHS hazard description of fishing activities, consisting of: stage of preparation, 2. Stages Stage diving and handling of the arrest. Based on these stages, found the picture hazards can be classified into 2, namely: a danger to the safety of workers (the waves, the ship slippery floors, thorn fish, stuck, compressor fuel, corrosive fire hose, air pressure in the tube compressor machines, lever regardless, the coral, marine biota bites, the bent hose, the hose is disconnected, the hose is leaking and body caught in the propeller ship) and health hazards (ergonomics, noise, extreme pressure, cold temperatures, hot temperatures, and fish stings toxic reef, gas CO, CO2 and nitrogen).