List Reptiles Recorded From Sundarbans Aquatic species: Order: Chelonia Sl. Species Scientific Name No. 1 Northern river Terrapin Batagur baska 2 Flap shell turtle Lissemys punctata 3 Chitra Turtle Chitra indica 4 Indian roofed turtle Kachuga tecta 5 Olive Ridley Turtle Lepidochelys olivacea 6 Green Turtle Chelonia mydas 7 Hawksbill Turtle Eretmochelys imbricata Order : Squamata Sl. No. Species Scientfic Name 1 Common Checkered Xenochrophis piscator Keelback 2 Common smooth Enhydris enhydris water snake 3 Dog faced Water Cerberus rhynchops Snake 4 Wart Snake or file Acrochordus granulatus snake 5 Glossy Marsh snake Gerarda prevostiana 6 Sea-snake Enhylrina schistose 7 Estuarine Sea-snake Hydrophis obscurus 8 Black banded Sea- Hydrophis nigrocintus snake 9 Blue Sea-snake Hydrophis caerulescens 10 Sea-snake Microcephalophis gracilis 11 Sea-snake Microcephalophis cantoris 12 Estuarine Crocodile Crocodylus porosus 13 Tokay gecko Gekko gecko 14 Mouse Gecko Hemidactylus frinatas 15 House Gecko Hemidactylus flaviridis 16 Brook’s House Hemidactylus brookii Gecko 17 Indian Garden Lizard Calotes versicolor 18 Indian Chameleon Chamaeleon zeylanicus 19 Riopa punctata 20 Water Monitor Varanus salavator 21 Monitor Lizard Varanus flavescens 22 Ornate Flying Snake Chrysopelea ornata or Gliding Snake 23 Blind Snake Typhlops porrectus 24 Common Blind Typhlops braminus snake 25 Indian Rock Python Python molurus 26 Common Sand Boa Gongylophis conicus 27 Trinket Snake Elaphe helena 28 Indian Rat Snake Ptyas mucosa 29 Banded kukri Snake Oligodon arnensis 30 Common vine snake Ahaetulla nasuta 31 Common wolf snake Lycodon aulicus 32 Striped Keelback Amphiesma stolatum 33 Olivaceous Keelback Atretium schistosum 34 Bronze-back Derdreluphis ahactulla 35 Common Indian Dendrelaphis tristis Bronzeback 36 Common Indian Bungarus caeruleus Krait 37 Banded Krait Bungarus fasciatus 38 Indian Cobra Naja naja 39 King Cobra Ophiophagus hannah 40 Rusell’s viper Daboia russelli 41 Spot tailed Pit Viper Trimeresurus erythrurus .