Microbial communities have been documented as playing many pivotal roles, and contributing to the growth or health performance of animal hosts. Thus, many studies are currently looking for potential beneficial bacteria “probiotics” from diverse environments, including wild species. The present study aimed to investigate the diversity and potential metabolic functions of bacterial communities in the gastrointestinal tract of wi...

Yersiniosis of cultured Atlantic salmon is a recurrent fish health management challenge in many continents. The causative organism, Yersinia ruckeri , can reside latently in the gut and lead to acute infection and disease during hatchery and sea‐transfer stages. One potential prevention approach is the administration of probiotic bacteria to suppress gut colonization of Y . ruckeri . Our study aimed to isolate and identify ant...

The marine leech, Zeylanicobdella arugamensis , is a major threat to aquaculture in grouper‐producing countries including Indonesia. This study aimed at investigating prevalence, intensity and histopathology of the ectoparasite in humpback and hybrid groupers cultured in different rearing systems. A total of 260 groupers (60 humpback groupers and 200 hybrid groupers) were used for samples. The marine leech was observed on skin...