These are among my favourite species of tropical fish, and since they are quite as well known as many I thought I would give them a review. Kuhli loaches can also be known as Coolie Loaches or Leopard loaches. I believe they are also called prickly something, prickly eye or prickly eel. They are not to be confused with zebra loaches which have a similar colouration, but a more fish like body. These fish originate in tropical water of Indonesia. While they prefer acidic waters - easily achieved by adding a bit of bog wood, they acclimate pretty well to most water types as long as the water is clean. because they are native to fast flowing waters, ...  Read the complete review