The Axolotl is carnivorous and has reasonably typical internal carnivore anatomy, with the main exception of the teeth. Its teeth are pedicalate (i.e. they're small stumps, like cones). With these it grips its food, manoeuvering it into position before swallowing it whole. It has a three-chambered amphibian heart (unlike the mammalian four-chambered heart), and, like all amphibians, it is poikilothermic (its body temperature is dependent upon its surroundings).
One thing to note is that although they retain larval morphology, they do develop rudimentary lungs, and