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Caecilians feed on small subterranean creatures such as earthworms. The body is cylindrical and often darkly coloured, and the skull is bullet-shaped and strongly built. Caecilian heads have several unique adaptations, including fused cranial and jaw bones, a two-part system of jaw muscles, and a chemosensory tentacle in front of the eye. The ...
Atretochoana eiselti is a species of caecilian originally known only from two preserved specimens discovered by Sir Graham Hales in the Brazilian rainforest, while on an expedition with Sir Brian Doll in the late 1800s, but rediscovered in 2011 by engineers working on a hydroelectric dam project in Brazil.
Caecilians are some of the least studied amphibians. Not much is known about their behavior and life history. Siphonops annulatus is highly fossorial, spending most of its life burrowed underground. A study found tunnels made by this species to go no deeper than 20 cm. This species uses a highly ossified skull to help burrow into the ground. [5]
Dermophis mexicanus, also known commonly as the Mexican burrowing caecilian or the Mexican caecilian, and locally as the tapalcua or tepelcua, is a species of limbless amphibian in the family Dermophiidae. The species is native to Mexico and Central America, where it burrows under leaf litter and plant debris.
Unlike earthworms, caecilians possess a prominent mouth, nostrils, and, uniquely amongst vertebrates, a pair of retractable tentacles, one on each side of the head, between the eye and nostril. The snout of the Sagalla caecilian is rounded, with short, globular tentacles, and a relatively large mouth, with two rows of teeth in each jaw.
B. taitana is an oviparous caecilian, and there is a parent-offspring transfer of nutrients after birth. B. taitana offsprings are born in an undeveloped state, thus requiring feeding and care by the parents. The dentition of offspring includes 'fetal-like' teeth, which they use to peel and eat the modified skin of their mothers after birth.
Uraeotyphlus are relatively small sized caecilians ranging from 23 centimetres (9.1 in) to 35 centimetres (14 in) in length. Unlike the more 'advanced' caecilians, members of this genus have a true tail with vertebrae, and their skull has a relatively complex structure. However, unlike the more 'primitive' caecilians, the mouth is recessed ...
Typhlonectes compressicauda, the Cayenne caecilian, is a species of amphibian in the family Typhlonectidae that lives in water. It is found in Amazonian Brazil , Peru , and Colombia as well as in Guyana and French Guiana , and likely Suriname , [ 2 ] and according to some sources, Venezuela . [ 1 ]