Other than their unbelievable hues, these fish have an exotic body condition. These are among the oldest fish species still living, that has a morphology that has remained almost unchanged for a lot more than 100 million years. This helps make them one of many rarest fish in the world. https://aquariumtankmalaysia.blogspot.com/2025/01/how-to-keep-your-fish-pond-clean.html