The Chinese Huge salamander is the largest amphibian on this planet, reaching lengths of up to 2 meters. It’s also one of many rarest, because it’s estimated there are a lot less than 10,000 remaining during the wild. The kissing loach is within the endangered species list as of 1970. https://medium.com/@AquariumOnlineStore/how-to-maintain-a-2-feet-aquarium-bigger-fish-tanks-2a9353d9b9e0