Helicops angulatus
Encyclopedia
Helicops angulatus, the brown-banded water snake, is an aquatic snake
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Dorsally it is olive or gray-brown, with dark brown, black-edged crossbands, which narrow at the sides, and are usually confluent the black crossbands of the belly. There is a large dark rhomboid on the nape. Ventrally it is yellowish (in alcohol) with black crossbands or black spots.
The dorsal scales are strongly keeled, even on the occiput and nape, and are arranged in 19 rows. Ventrals 102-130; anal divided; subcaudals 61-94 paired and keeled.
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Snake
Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...
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Description
The brown-banded water snake grows to a maximum length of 78 cm (31 inches).Dorsally it is olive or gray-brown, with dark brown, black-edged crossbands, which narrow at the sides, and are usually confluent the black crossbands of the belly. There is a large dark rhomboid on the nape. Ventrally it is yellowish (in alcohol) with black crossbands or black spots.
The dorsal scales are strongly keeled, even on the occiput and nape, and are arranged in 19 rows. Ventrals 102-130; anal divided; subcaudals 61-94 paired and keeled.
Reproduction
This species has been reported to be "facultatively ovoviviparousOvoviviparity
Ovoviviparity, ovovivipary, or ovivipary, is a mode of reproduction in animals in which embryos develop inside eggs that are retained within the mother's body until they are ready to hatch...
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