The prevalence of benedeniasis in humpback grouper (Cromileptes altivelis) in floating net cages in Situbondo Regency, East Java, Indonesia

Humpback groupers (Cromileptes altivelis) are a high value commodity that consumers demand at both the national and international level, including in places such as Hong Kong, Singapore, Japan, Taiwan and Thailand. They mainly desire juveniles (3-5 cm) as ornamental fish. The ideal consumption size (400- 800 g) is desired as a supply of seafood for restaurants. This study aimed to determine the prevalence of Benedeniasis in humpback grouper in floating net cages in Situbondo Regency, East Java. The method used in this research was a survey method. The prevalence of Benedeniasis in the form of worms in floating net cage systems was 10%. The frequency of the infestation was classified as Often. There were differences in the prevalence of ectoparasites among the worms in the districts of Bungatan, Kendit and Panarukan.