axolotl conservation, A. andersoni
Hi Kifaru,
Great point; unfortunately, it seems that the captive populations have hybridized with neotenic Tiger Salamanders (populations that do not leave the water, retain gills throughout life and breed as "giant larvae"); a colleague of mine was involved and believes there are few if any pure axolotls in captivity. The original animals taken out of mexico were likely mixed in with tiger salamanders.,..a very interesting story, I hope to highlight it soon in an article. There is also a good deal of inbreeding, due to the small number of founders, etc. Those involved believe it would not be wise to use captives for re-stocking.
Yes, there are a great many salamanders in the area in need of help. There are 12-19 related species isolates in mountain lakes, and all are unique. Some, i.e. A dumerelli, tolerate fairly saline conditions!
Yet all may be savable...recently A. andersoni, nearly extinct in the wild, found its way into the trade and has been bred by a hobbyist in the US and several; in Europe. In fact, for awhile it was hard to place the progeny with zoos here! Please see
this article for the story and photos.
There is some work being done on lake Xochimilco, but it is in unbelievably bad shape. Chalco had been drained, or is close thereto. Amazingly, a new population of axolotls has been discovered in a park lake in Mexico City; likely releases, but still shows potential; you can read more
here.
Thanks for the most interesting discussions, Best regards, Frank