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 Conehead Lizard, Laemanctus longipes
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Laemanctus longipes |
Laemanctus is a genus of corytophanid lizards commonly referred to as conehead lizards or casquehead iguanas. Chordates ( Phylum Chordata) are a group of Animals that includes the Vertebrates together with several closely related Invertebrates Reptiles, or members of the class Reptilia are air-breathing Cold-blooded Vertebrates that have skin covered in scales as opposed to hair or feathers Squamata (scaled reptiles is the largest recent order of Reptiles including Lizards and Snakes Members of the order are distinguished by Corytophanidae is a family of Lizards also called casque head lizards or helmeted lizards Arend Friedrich August Wiegmann ( June 2, 1802 - January 15, 1841) was a German zoologist. Year 1834 ( MDCCCXXXIV) was a Common year starting on Wednesday (link will display the full calendar of the Gregorian Calendar (or a Common Laemanctus longipes, or the Eastern Casquehead Iguana, is a long thin lizard from Central America, especially Mexico. A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic Corytophanidae is a family of Lizards also called casque head lizards or helmeted lizards Lizards are a large and widespread group of Reptiles of the order Squamata, with nearly 5000 species and ranging across all continents except
The genus consists of two recognized species with six subspecies:
- Eastern Casquehead Iguana, Laemanctus longipes
- Serrated Casquehead Iguana, Laemanctus serratus
REPTILIA 48 REPTILIA 49 Within the family Iguanidae, the subfamily Basiliscinae includes the basilisks, genus Basiliscus; the helmeted iguanas, genus Corytophanes; and the casquehead iguanas, genus Laemanctus. In Biology, a species is one of the basic units of Biological classification and a Taxonomic rank. In Zoology, as in other branches of Biology, subspecies is the Taxonomic rank immediately subordinate to a Species. Laemanctus longipes, or the Eastern Casquehead Iguana, is a long thin lizard from Central America, especially Mexico. Arend Friedrich August Wiegmann ( June 2, 1802 - January 15, 1841) was a German zoologist. Year 1834 ( MDCCCXXXIV) was a Common year starting on Wednesday (link will display the full calendar of the Gregorian Calendar (or a Common George Albert Boulenger (born Brussels, Belgium, October 19, 1858; died Saint Malo, France, November 23 Year 1877 ( MDCCCLXXVII) was a Common year starting on Monday (link will display the full calendar of the Gregorian calendar (or a Common Karl Patterson Schmidt (born June 19, 1890 in Lake Forest Illinois, died September 26, 1957 in Chicago) was an American Year 1933 ( MCMXXXIII) was a Common year starting on Sunday (link will display full calendar of the Gregorian calendar. Edward Drinker Cope (July 28 1840&ndashApril 12 1897 was an American paleontologist and comparative anatomist, as well as a noted herpetologist Year 1866 ( MDCCCLXVI) was a Common year starting on Monday (link will display the full calendar of the Gregorian calendar (or a Common Year 1985 ( MCMLXXXV) was a Common year starting on Tuesday (link displays 1985 Gregorian calendar) Edward Drinker Cope (July 28 1840&ndashApril 12 1897 was an American paleontologist and comparative anatomist, as well as a noted herpetologist Year 1864 ( MDCCCLXIV) was a Leap year starting on Friday (link will display the full calendar of the Gregorian Calendar (or a Leap year The two species of casquehead iguanas, L. longipes and L. serratus, differ from each other greatly. L. longipes is smaller, has no dorsal crest, and lacks the spiny crown on the helmet that is characteristic of L. serratus. Description The serrated casquehead iguana, Laemanctus serratus Cope, 1864, inhabits tropical rain forests from southern Mexico to Honduras in Central America. It spends most of its time clinging to thin branches, climbing down to the ground only in pursuit of prey or to bury eggs. This lizard reaches a total length of 50–75 centimeters, but three-quarters of the length is tail. The body is laterally flattened and the head is triangular. The name “serratus” refers to the distinctive spiny, or serrated, crest that crowns the head, and a low serrated dorsal crest down the back. The legs and toes are extremely long and thin and well adapted to the arboreal lifestyle of the species. The very long tail is not easily broken off or dropped by autotomy. We usually catch the lizards by their tails, and none have ever broken. The color of the lizard changes from brown to bright green to shades of blue depending on temperature. Dark brown longitudinal stripes are present along the center of the back and on the flanks. Also, dark crossbands appear on the flanks of gravid females. This species does not have evident sexual dimorphism, but distinguishing males from females is not difficult. The male has visible hemipenal bulges at the base of the tail, and also has a wider head with a larger serrated crown than the female. This species is kept in captivity at the Centre of Natural Scientists in Prague, Czech Republic. In 1999, we managed to acquire a pair, both approximately 2 years old. A year later we acquired four juveniles, which were later determined to be three males and one female. All of them were bred in captivity in the Czech Republic. Terrarium The older pair was initially housed in a terrarium of 80 x 80 x 80 centimeters, furnished with thin branches and live plants (Hoya, Schefflera). For substrate we used peat mixed in equal parts with river sand — at least 5 centimeters deep. We provided a large basin for water, but later removed it so the female would not lay eggs in Laemanctus serratus adult with juvenile. Added By: James MacBride Text and photos by Jan Hribal and Veronika Holanova The Casquehead Iguana
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