Update on my Wild Caught Boiga Dendrophila Melanota. (Mangrove Snake) : r reptiles Immaculate Western Mangrove Cat snake from my recent Thailand expedition , None of us had been to this region of southern Thailand before, so it was a bit of a mystery what we might encounter along What size, how old, and how heavy should Western mangrove snakes (Boiga melanota) be when breeding them? Would the two snakes in the picture below be considered fit for breeding? The one Species New to Science: [Herpetology 2020] Phylogenetic Relationships and Biogeographic Range Evolution in Cat eyed Snakes, Boiga (Serpentes: Colubridae) A mangrove catsnake (Boiga dendrophila melanota) from Thailand. These snakes get around 2,5m long and are one of the bigger species of the genus Boiga.