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Research Article Open access CC BY 4.0

Helminth Parasites and Gut Microbiota in Marine Fish: A Comprehensive Review

Fatimah S. Alharbi, Nesreen H. Aljahdali, Amaal Hassan

Annual Research & Review in Biology · pp. 82–90 · Published 10 Mar 2025

10.9734/arrb/2025/v40i32213

Abstract

A fish's gut contains many types of bacteria that are important for digestion, food absorption, and immunity. Marine parasites, such as trematodes, cestodes, and nematodes, affect the gut microbiota and cause histopathological alterations in marine fish. However, the gut microbiota and helminth parasites share a habitat. There are several mechanisms of interactions between microbiota and parasites in the gut, such as physical changes to the gastrointestinal microbial environment and innate immunity. So, managing fisheries and improving fish health depend on understanding these consequences. Further research is needed to better understand the underlying mechanisms as well as their larger implications.

Marine fish marine helminth parasites histopathology gut microbiota

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