The rough-scaled snake (''Tropidechis carinatus'') is a highly venomous Australian

elapid Elapidae (, commonly known as elapids ; grc, ἔλλοψ ''éllops'' "sea-fish") is a family of snakes characterized by their permanently erect fangs at the front of the mouth. Most elapids are venomous, with the exception of the genus Emydoc ...

. The animal's name comes from its scales that are raised above the surrounding scales and have rough texture. The scales are known as "keels".

Taxonomy

A 2016 genetic analysis showed that the closest relative of the rough-scaled snake is the tiger snake (''Notechis'' spp.).

Description

The snake is brown to olive with narrow, irregular cross-bands or blotches of darker brown. The belly surfaces are greenish-grey or olive-cream, often with darker blotches. The mid-body scales have a raised keel or carinated appearance. The coloration and scale structure has led to some confusion with the non venomous

keelback Keelback may refer to any of the following snake genera: * ''Amphiesma'' * ''Amphiesmoides'', a monotypic genus in the Colubridae with its sole representative, the white-eyed keelback, ''Amphiesmoides ornaticeps'' * ''Atretium'', a monotypic genus i ...

snake. It grows to around 70 cm in length.

Habitat

The snake's habitat includes rainforests, moist open air forests and waterways. It is found from mid-eastern New South Wales to the tip of far-north Queensland.

Behaviour

The snake is active both day and night. It can climb trees in pursuit of prey. The rough-scaled snake is highly venomous and will readily bite if attacked or handled.

Diet

The snake eats a variety of small vertebrates; frogs, lizards, small mammals, birds. It generally forages at ground level but can climb to take prey.

Venom

The rough-scaled snake is a highly venomous snake. Its venom is a fast acting powerful neurotoxin that has potent post-synaptic neurotoxins as well as potent pre-synaptic neurotoxins. It also has potent coagulants as well as myotoxins. It will readily bite and is known for its foul disposition and defensive nature. Several fatalities have occurred due to this species and it will strike rapidly in defense.

Reference list

* https://web.archive.org/web/20110608192952/http://www.kingsnake.com/toxinology/old/snakes/Tropidechis/Tropidechis.html {{Taxonbar, from=Q3017767 Elapidae Reptiles described in 1863 Taxa named by Gerard Krefft Snakes of Australia Reptiles of Queensland Reptiles of New South Wales