Evolution of the melanistic colour in the Alpine salamander Salamandra atra as revealed by a new subspecies from the Venetian Prealps. This was published by Lucio Bonato and Sebastian Steinfartz in the Italian Journal of Zoology, 72: 253 - 260 (2005)
Help!! My nitrates won’t go up! They are at 0ppm and so is my ammonia and nitrites. Can I put my axolotl in the tank without the nitrates or does the axolotl need them? If not how do I get my nitrates up?