These snakes are completely aquatic and often found in the waters of Indonesia. They are named for their grey, baggy skin that resembles the trunk of an elephant. What’s most interesting is that elephant-trunk snakes cannot slither on dry land – they lack the necessary scales to do so.These snakes are completely aquatic and often found in the waters of Indonesia. They are named for their grey, baggy skin that resembles the trunk of an elephant. What’s most interesting is that elephant-trunk snakes cannot slither on dry land – they lack the necessary scales to do so.