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Group
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Sub-group
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Family
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Genus
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Common namesPolonthelissa (S) Merrem’s hump-nosed viper (E)
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Habitat
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OriginEndemic
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National conservation statusEN-Endangered
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Legal statusProtected
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Similar species
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All vernacular names
![Hypnale nepa Laurenti, 1768](https://faunaofsrilanka.com/uploads/species/resized/species_1694223784_H nepa (2).jpg)