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The axolotl is unusual in that it has a lack of thyroid-stimulating hormone, which is needed for the thyroid to produce thyroxine in order for the axolotl to go through metamorphosis; it keeps its gills and lives in water all its life, even after it becomes an adult and is able to reproduce. Neoteny is the term for reaching sexual maturity ...
The name "Xoloitzcuintli" references Xolotl because this dog's mission was to accompany the souls of the dead in their journey into eternity. The name "Axolotl" comes from Nahuatl, the Aztec language. One translation of the name connects the Axolotl to Xolotl. The most common translation is "water-dog" . "Atl" for water and "Xolotl" for dog. [14]
Zambrano has been working in axolotl conservation for more than two decades. It’s a somewhat unusual challenge, he said, because axolotls live so closely to so many people, so the answer to ...
Lake Chalco with Lakes Xochimilco and Texcoco.Detail from the 1847 Bruff/Disturbell map The Valley of Mexico at the time of the Spanish conquest, c. 1519. Lake Chalco was an endorheic lake formerly located in the Valley of Mexico, and was important for Mesoamerican cultural development in central Mexico.
The axolotl can grow up to 12 inches and weigh anywhere from three to eight pounds, and its average lifespan in the wild is 10-15 years. Most axolotls are dark brown with some black speckling, but ...
Virtual adoption comes with live updates on your axolotl’s health. In their main habitat the population density of Mexican axolotls (ah-ho-LOH'-tulz) has plummeted 99.5% in under two decades ...
Most hypotheses surrounding the origin of Necturus's lack of metamorphosis concern the effectiveness of the thyroid gland. The thyroid gland in some salamanders, like the axolotl , produce normal thyroid hormones (THs), but cells in the organism express thyroid hormone receptors (TR) that are mutated, and do not bond correctly with thyroid ...
The genus name is most likely from conepatl, the Nahuatl name of the animal, ultimately meaning "burrower". The species name is possibly from Mapudungun chingue ("skunk") or Spanish chinga ("pug-nosed") [70] Coontie palm (Zamia integrifolia) cycad: Muscogee / Creek: From conti hateka ("white root"). [71] Cougar (puma concolor) big cat: Quechua ...