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he limiting factor in aquaculture is disease. Ectoparasites is one of the disease in grouper (Epinephelus sp.) cultivated using floating nets. In Hurun Bay Lampung, there are many grouper cultivation using  floating nets. This study aims to inventory the types of ectoparasites that infect grouper, to determine the prevalence and intensity of ectoparasites. Sampling of grouper was done on March 30 th  to 31 st  and September 29 Inventarisasi, prevalensi dan intensitas ektoparasit ….. 1 th  to 30 th  2016 in floating nets owned by Mr. Untung and Mr. Asril in Hurun Bay Lampung. Random samples were taken with 25 fishes for each Grouper population. Identification of ectoparasites was conducted in the laboratory of FQIA Regional Lampung through morphological observation using a microscope. Three types of ectoparasites that were identified are Pseudorhabdosynochus sp., Haliotrema sp. and Benedenia sp. The range of prevalence and intensity of Pseudorhabdosynochus sp., Haliotrema sp., and Benedenia sp. is respectively 0-32% (from 0 to 7.6 individu/fish), 0-28% (0-5 individu/fish), and 12% (0 to 3.33 individu/fish).

Inventory, Prevalence and Intensity of Ectoparasites at Groupers (Epinephelus sp.) in Floating Nets Hurun Bay Lampung