Observation of a gorged stomach in Crimson jobfish

Wilson, Livi and Ragesh, N and Pakkri Muthu, S and Kaushik, T R and Najmudeen, T M and Kizhakudan, Shoba Joe (2025) Observation of a gorged stomach in Crimson jobfish. Marine Fisheries Information Service; Technical and Extension Series (263). pp. 38-39. ISSN 0254-380X

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Abstract

Crimson jobfish (Pristipomoides filamentosus), a member of the family Lutjanidae, are known to primarily consume teleost fishes and crustaceans, particularly shrimp and crabs. However, their dietary habits can shift significantly in response to ecological and reproductive cycles. In September 2024, a specimen of crimson jobfish was collected from the Munambam Fisheries Harbour in Kochi, India (10.18267 N, 76.17041 E). which was caught by a trawler The stomach contents analysed, indicated that the diet consisted predominantly of deep-water species. The prey items were identified to the species level are summarized in Table 1. The fish had consumed a diverse range of prey, including shrimps, flatheads, threadfin breams, and crabs. This varied diet is characteristic of P. filamentosus when it forages in deeper waters, reflecting its ability to adapt to different ecological niches based on life cycle stages, highlighting its resilience and versatility as a deep-water predator. This flexibility may contribute to its survival in dynamic marine environments, where prey availability can fluctuate due to environmental changes and anthropogenic impacts. Understanding such dietary adaptations is crucial for fisheries management, as it can inform sustainable harvesting practices and conservation strategies for deepoperating at a depth of 80-200 meters off the Kochi coast, Kerala.

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