International Journal of Fisheries and Aquatic Studies
2025, Vol. 13, Issue 5, Part C
Morphometric analysis of fish intestines in relation to their dietary preferences
Author(s): Aqsa S Petkar and Kalim M Shaikh
Abstract: This study investigates the relationship between intestinal morphology and feeding habits in selected freshwater fish species collected from local markets in Pune, India. Seven species of freshwater fish
Oreochromis spp. (Tilapia),
Labeo rohita (Rohu),
Catla catla (Catla),
Colossoma macropomum (Tambaqui),
Pangasius sutchi (Silan),
Wallago attu (Wallago), and
Channa spp. (Channa) were categorized into herbivores, carnivores, and omnivores based on their dietary preference. For each specimen, intestinal length and weight were measured and compared with their dietary preference.
The results revealed significant variation in gut morphometry correlated with feeding habits. Herbivorous species displayed longer intestines to aid in cellulose digestion, while carnivorous species had shorter, heavier guts adapted for protein-rich diets. Omnivorous fish showed intermediate values. These findings align with established research and highlight the role of diet in shaping digestive anatomy. The results have practical implications for fish ecology, aquaculture nutrition, and species-specific feed optimization.
DOI: 10.22271/fish.2025.v13.i5c.3160Pages: 202-206 | 249 Views 193 DownloadsDownload Full Article: Click Here
