Abstract
Morphological abnormalities were observed for five specimens of Indian ring skate, Orbiraja powelli (Alcock, 1898) collected in the southwest coast of India. These abnormalities included an extra dorsal fin situated almost at the middle of the tail, a pouched skin fold at the tip of ventral snout, absence of caudal fin, presence of a tissue growth on the ventral side of disc and short tail without second dorsal fin and caudal fin. Morphological and molecular methods did not show variations in the specimens collected.




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Acknowledgments
We thank Dr. William Toby White, Ichthyologist CSIRO Oceans & Atmosphere Flagship, who helped us in confirming the molecular identity of the species. The first author is grateful to University of Kerala and Worldwide Fund for Nature for the financial support.
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Bhagyalekshmi, V., Kumar, A.B. Morphological Abnormalities of Indian Ring Skate, Orbiraja powelli (Alcock, 1898) (Rajiformes: Rajidae) Collected in the Southwest Coast of India. Thalassas 36, 193–200 (2020). https://doi.org/10.1007/s41208-019-00167-x
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DOI: https://doi.org/10.1007/s41208-019-00167-x