Species of snake
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Micrurus lemniscatus, commonly known as the South American coral snake, is a species of venomous snake in the family Elapidae. The species is endemic to South America.
Description.
"M. lemniscatus" is a thin and brightly colored species. Adults measure in length, the maximum previously reported was . The snout is black, followed by a narrow white crossband in front of the eyes, then a wider black band including the eyes. The eyes are small, and the rest of the head is red. The body pattern consists of slightly broad red rings that are separated by seven to 17 triads of three black and white rings. The tail has two black triads alternating with white rings.
Behavior.
Like many coral snakes, "M. lemniscatus" is nocturnal and terrestrial, digging in loose soil or litter. It is not aggressive towards humans, although it can attack to defend itself.
Reproduction.
Breeding of "M. lemniscatus" is oviparous, having a clutch size of possibly 20 eggs.
Diet.
Alimentation of "M. lemniscatus" is mainly long-bodied vertebrates such as freshwater eels, gymnotiform fishes, caecilians, lizards, and snakes.
Geographic range.
"M. lemniscatus" is found in Argentina, northern Bolivia, Brazil, Colombia, eastern Ecuador, French Guiana, Guyana, Paraguay, eastern Peru, Suriname, Trinidad, and Venezuela.
Habitat.
" M. lemniscatus" is a widespread species in South America, living in humid forests and lowland forests, in open savannas and gallery forests. It is also found in lowland floodplains, deforested areas or near human habitation, in humid areas or near places with a water source. It occurs from near sea level to an altitude of .
Venom.
The venom of "M. lemniscatus" is a potent post- and pre-synaptic neurotoxin, which causes a potent and irreversible neuromuscular block in vertebrates. Lemnitoxin, a potent myotoxic PLA2 type toxin, isolated from the venom of "M. lemniscatus" induces local and systemic myotoxicity after intramuscular and intravenous injection in mice, which is antigenically related to "Micrurus nigrocinctus" nigroxin, "Notechis scutatus" notexin, mulgotoxin of "Pseudechis australis" and textilotoxin of "Pseudonaja textilis".
References.
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