Kuhli Loach - 2 to 2.5 inch

Kuhli loaches reach maturity at 2 3⁄4 inches (7 cm) and have a maximum length of 4 inches (10 cm). This fish can live for up to about 14 years. They also have a spine below each eye that can be deployed as a defense mechanism that can harm any potential predators.

The proper water temperature for a kuhli loach ranges from 75 to 85 degrees Fahrenheit. The aquarium water should have a pH of 6 to 7, and the ideal water hardness level is medium soft to medium.