Red-tailed coral snake, Many-banded coral snake
Micrurus mipartitus (red-tailed coral snake or many-banded coral snake) is a species of coral snake in the family Elapidae. It is found in South and Central America. The redtail coral snake is common in agricultural areas in Colombia. Its highly neurotoxic venom is known to cause seizures in its prey by activating nerve proteins responsible for seizures within it.
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
Crepuscular animals are those that are active primarily during twilight (that is, the periods of dawn and dusk). This is distinguished from diurnal...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
Venom is a type of poison, especially one secreted by an animal. It is delivered in a bite, sting, or similar action. Venom has evolved in terrestr...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withIt occurs in Central America and South America. Limits of its range vary by source and may include Nicaragua and Costa Rica in the north, although older records from Nicaragua and Costa Rica likely refer to M. multifasciatus. The IUCN Redlist restricts its range to Panama, Colombia, Venezuela, and Ecuador, and possibly Peru. It has also been listed from Brazil (Rondônia).
The redtail coral snake has a potentially deadly neurotoxic venom, which produces a complete depolarizing muscle block. Proteomics analysis of the venom components found that it contains about 60% three-finger toxins, 30% phospholipase A2, and 10% other toxins. The most abundant venom component is the three-finger toxin mipartoxin-I.
The venom acts by blocking the neuromuscular transmission of nerve muscle preparations, it acts in a post-synaptic way through the Nicotinic acetylcholine receptor (nAChr), inhibiting the muscle contractions in phrenic nerve diaphragm. After the bite, local pain and paraesthesia appear in minutes, in severe cases, neurological manifestations appear in 30 minutes to 1–2 hours, such as progressive bilateral ptosis, dysarthria, progressive weakness in the muscles of the extremities, difficulties in walking, salivation, drowsiness, respiratory arrest, flaccid quadriparesis and severe flaccid quadriplegia. The LD50 for 18-20 gram mice is 9 μg and 0.45 mg / kg. The intraperitoneal lethal dose is 0.125 mg / kg and 0.06 μg / g.