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Taylor's salamander
Taylor's salamander, ''Ambystoma taylori,'' is a neotenic salamander species found only in Laguna Alchichica, a high-altitude crater lake 24 miles southwest of Perote, Puebla, Mexico. It was described in 1982 by Brandon, Maruska, and Rumph, and named for Edward Harrison Taylor. However, the species had been known to science long before then. Taylor himself attempted to describe the species as ''Ambystoma subsalsum'' in 1943, but mistakenly used a Mexican or plateau tiger salamander as the holotype. This rendered the name invalid, and made it into a synonym for the tiger salamander. James Anderson extensively catalogued "''A. subsalsum''" in his 1960's field work, applying the name to actual population that now comprises ''A. taylori.''
The salamander is moderately sized, with a typical length of 6-8 in. It is a neotenic species, which means it retains its caudal fin and external gills into adulthood, never undergoing complete metamorphosis. It is entirely aquatic, breeding and laying its eggs in the same lake where it lives. Taylor's salamanders are yellowish in color, with dark spots along their dorsal sides. They have relatively short, thick external gill stalks. Their heads are quite large, and their limbs are underdeveloped, as in most ''Ambystoma'' neotenes. They feed by buccal suction, and basically eat anything that fits into their mouths.
==Habitat==
The ''A. taylori'' habitat in Lake Alchichica is extremely salty, with a salinity reading of 2000-5000. It is also very alkaline, with a pH of 8.5-10. The lake's water has a temperature range of 18-21°C. The salamanders typically hide below the water line, under overhangs in the crater's edge.
Not much is known about its present status or numbers.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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