Comparative study of fish scale using scanning electron microscopy in two Cyprinid fishes (Neolissochilus hexagonolepis and Neolissochilus hexastichus) found in Meghalaya, North-East India.
Abstract
The scale morphology has been studied using Scanning Electron Microscope in two species of genus Neolissochilus viz. N. hexastichus and N. hexagonolepis to find out differences in scale structure and species specificity between the species. The Scanning Electron Micrograph of both the species showed the general morphological structure of a cycloid scale. Differences is more prominent in the presence of a pore in the anterior origin of the lateral line canal, the shape and distribution of tubercles, posterior filed at the base of the lateral line canal and the pattern of central regeneration pattern. Shapes of circuli, structure of lepidonts are additional distinctive tools in this comparative study. All these characteristics can be used as distinctive species specificity tool in these particular species of fishes.
Keywords: Neolissochilus hexastichus, Neolissochilus hexagonolepis, circuli, lepidonts, tubercles, chromatophores, Meghalaya.
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Copyright (c) 2020 Nongrum Raffealla, Bhuyan Rabindra Nath
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