flat-nosed pitviper snake craspedocephalus trimeresurus puniceus on white background

indonesia venomous pit viper predator nature wildlife serpent venom animal wild reptile poisonous snake dangerous fauna tropical jungle poison background puniceus exotic macro creeper brown asia copperhead rare endangered flat nosed toxic wagleri big huge zoology zoo rest black river borneo craspedocephalus ashy flat-nosed yellow pitviper snakes trimeresurus