2009年5月20日 星期三

Atheris mabuensis - 莫三比克北部產之新種角蝰

文獻來源: Branch WR, Bayliss J. 2009. A new species of Atheris (Serpentes: Viperidae) from northern Mozambique. Zootaxa 2113: 41-54. [摘要下載]

Abstract
A new species of forest viper (Atheris Serpentes: Viperidae) is described from Mount Mabu and Mount Namuli, northern Mozambique. This is the most southerly record of the genus, and the first record from Mozambique. Features of scalation, colour, body form and behaviour distinguish the new species from all other African Atheris, particularly its small size (maximum total length 384mm), retention of juvenile colouration in adults, and relatively low ventral, subcaudal and labial scale counts. It appears to be a dwarf, possibly paedomorphic, species that feeds among leaf litter on small frogs and geckos. The discovery of the new species in isolated populations in mid-altitude forest remnants on Mount Mabu and Mount Namuli, emphasizes the high conservation importance of the region.