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the results. (English) 1:
.Freshwater fish in India is well known and full of secrets, various kinds of fixed masks complex and some kind of latent endemic. The limitations of traditional taxonomy that results in the crypticism.
the results (Thai) 1:
.Freshwater fish in India is well known and full of secrets, various kinds of fixed masks complex and some kind of latent endemic. The limitations of traditional taxonomy that results in the crypticism.1%
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Freshwater fishes in India are poorly known and plagued by many unresolved cryptic species complexes that masks some. Latent and endemic species. Limitations in traditional taxonomy have resulted in this crypticism. Hence molecular approaches,, Like DNA barcoding are needed, to diagnose these latent species.We have analyzed 1383 barcode sequences of 175 Indian freshwater fish species available in, the databases of which 172 sequences. Of 70 species were generated. The congeneric and conspecific genetic divergences were calculated using Kimura 's 2 parameter. Distance model followed by the construction of a Neighbor Joining tree using the MEGA 5.1. DNA barcoding principle at its. First, hand approachLed to the straightforward identification of 82% of the studied species with 2.9% (S.E = 0.2) divergence between the nearest. Congeners. However after validating, some cases of synonymy and mislabeled sequences 5% more, species were found to be, valid. Sequences submitted to the database under different names were found to represent single species. On the, other handSome sequences of the species like Barilius Barna Barilius bendelisis, and Labeo Bata were submitted to the database under. A single name but were found to represent either some unexplored species or latent, Overall species.87% of the available Indian freshwater fish barcodes were diagnosed as true species in parity with the existing checklist. And can act as reference barcode for the particular taxa. For the remaining 13% (21 species) the correct species name was. Difficult to assign as they depicted some erroneous identification and cryptic species, Thus complex.These barcodes will need further assay and inclusion of barcodes of more specimens from same and sister species.
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