Snake charming charmers may also use Russell's vipers. Indian and Burmese pythons, and even mangrove snakes are also encountered, though they are not as popular. In North Africa, the Egyptian cobra, puff adder, carpet viper and horned desert viper are commonly featured in performances. Except for the pythons and mangrove snakes, all of these species are highly venomous. At home, snake charmers keep their animals in containers such as baskets, boxes, pots, or sacks. For safety, some North African snake charmers stitch closed the mouth of their performing snakes, leaving just enough opening for the animal to be able to move its
Brown-banded water snake nape, and are arranged in 19 rows. Ventrals are 102-130 in number, the anal scale is divided, and the 61-94 subcaudals are paired and keeled. "H. angulatus" lives in fresh and brackish water, where it feeds on fish and possibly also freshwater eels and frogs. "H. angulatus" has been reported to be "facultatively ovoviviparous". Brown-banded water snake The brown-banded water snake ("Helicops angulatus") is a species of aquatic snake found in tropical South America and Trinidad and Tobago. The brown-banded water snake grows to a maximum total length (including tail) of 78 cm (31 inches). Dorsally, it is olive or