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Wednesday, August 18, 2010

Gargoyle-Faced Gecko





Gecko (Crytodactylus sp. nov.) is a new species discovered by Paul Oliver of Australia at 3,940 feet in a mountainous region recognized by scientists as a profound species generator because of its relative isolation, elevation and tropical environment.


http://www.scientificcomputing.com/news-IN-Gargoyle-faced-Gecko-Discovered-in-Remote-Mountains-051810.aspx



Monday, August 2, 2010

Axolotl


The Axolotl (or ajolote) (Ambystoma mexicanum) is the best-known of the Mexican neotenic mole salamanders belonging to the Tiger Salamander complex. Larvae of this species fail to undergo metamorphosis, so the adults remain aquatic and gilled. The species originates from the lake underlying Mexico City. Axolotls are used extensively in scientific research due to their ability to regenerate most body parts, ease of breeding, and large embryos. They are commonly kept as pets in the United States, Great Britain, Australia, Japan (where they are sold under the name Wooper Rooper, and other countries.


Axolotls should not be confused with waterdogs, the larval stage of the closely related Tiger Salamanders (Ambystoma tigrinum and Ambystoma mavortium), which is widespread in much of North America which also occasionally become neotenic, nor with mudpuppies (Necturus spp.), fully aquatic salamanders which are unrelated to the axolotl but which bear a superficial resemblance