Ashish Kumar*
University Department of Zoology, Magadh University, Bodh-Gaya, Bihar, India
Received : 18th January, 2025 ; Revised : 18th February, 2025
DOI:-https://doi.org/10.5281/zenodo.16132203
Abstract– The present study examines the morphological structure and surface area dynamics of the olfactory organs in Garra gotyla, a freshwater fish species. Located dorsally in olfactory pits, the paired olfactory organs exhibit structural adaptations corresponding to the fish’s growth. A positive correlation (r = 0.973, p < 0.001) was observed between the standard length of the fish and the number of lamellae in the olfactory rosette, indicating ontogenetic enhancement of olfactory capacity. The olfactory surface area was consistently found to be 450% greater than the retinal surface area, underscoring the significance of olfaction in the ecological behavior of Garra gotyla.
Keywords: Garra gotyla, ontogenetic enhancement, olfactory rosette
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