Chennai Snake Park snake, annulated sea snake, common wolf snake, common vine snake, striped keelback, checkered keelback, olive keelback, common trinket snake, spectacled cobra, banded sea krait and hook-nosed sea snake. Crocodilian species include the gharial, marsh crocodile, saltwater crocodile, Siamese crocodile, African dwarf crocodile, Nile crocodile and spectacled caiman. Other reptiles at the park include water monitor, Bengal monitor, Indian black turtle, Indian flapshell turtle, Indian star tortoise, spotted rock gecko and South Asian chamaeleon. The snakes are housed in glass-fronted enclosures and the crocodilians and the larger lizards are housed in open-air enclosures protected by parapet walls and wire mesh. The
Black snake (firework) this firework produces a more impressive snake, but its operation depends upon mercury (II) thiocyanate, which is no longer commonly used because of its toxicity. Black snake (firework) Black snake (or Sugar snake) and Pharaoh's serpent are two similar types of firework. After being lit, both fireworks begin to smoke and spew out ash resembling a snake via an intumescent reaction. They stay on the ground and do not emit sparks, flares, any form of projectiles, or any sound, but may release smoke. Sodium bicarbonate which produces carbon dioxide gas, and sugar forming carbon containing ash, are common chemicals used