Naja sputatrix

It is a medium to large snake with long cervical ribs that expand to form a hood when threatened. Its listing for Sumatra should be checked (Wikipedia, general species account). The species is classified under the genus Naja of the family Elapidae. It received its first scientific description by German entomologist, herpetologist, ornithologist, and lawyer Friedrich Boie in 1827. The generic name Naja is a Latinisation of the Sanskrit word nāgá (नाग), meaning "cobra". (Wikipedia, general species account).

The body of this species is compressed dorsoventrally and posteriorly cylindrical. The average length of an adult is 1.3 metres (4.3 ft). they can grow to a maximum of around 1.85 metres (6.1 ft). The head is elliptical, slightly different from the neck with a short rounded snout and large nostrils. Its eyes are of moderate size, with round pupils. The dorsal scales are smooth and very oblique. Javan adults are usually uniform yellowish, brown or blackish in colour. (Wikipedia, general species account).