AI Article Synopsis
- Fish from the genus Bleeker (1860) are predominantly found in the rivers of the Western Ghats in India and are unique to the southern Indian peninsular freshwaters.
- The article focuses on four abnormal specimens of a specific fish species collected in 2022, showcasing deformities such as pughead, pelvic fin, pectoral fin issues, and enlarged scales.
- A genetic study confirmed the species identity using the gene, revealing less than 1% genetic divergence between the normal and abnormal specimens.
Article Abstract
Fish of the genus (Bleeker 1860) are widely dispersed in the rivers of the Western Ghats in India and endemic to southern Indian peninsular freshwaters. These are small- to medium-sized fishes of the family Cyprinidae. Although fish with deformed bodies or body parts are rare in natural waters, this article deals with four abnormal specimens of (Hamilton 1807) collected from the rivers Tunga, Bhadra, and Kali during 2022. The abnormalities observed in four different individuals are pughead deformity, pelvic fin deformity, pectoral fin deformity, and enlarged scales. The morphological comparison of normal individuals of (Hamilton 1807) with abnormal specimens revealed variation. Using the gene, species identity was confirmed and the mean genetic divergence between the normal and abnormal specimens was estimated to be less than 1%.
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