The Highfin Loach, scientifically known as Chromobotia macracanthus, is a freshwater fish species belonging to the Cobitidae family. It's also commonly referred to as the Clown Loach due to its distinctive appearance and playful behavior. Here's some information about its lifestyle and care:

1. Appearance:

   • The Highfin Loach has a cylindrical body with a high dorsal fin, which gives it its name. Its body is typically adorned with vibrant orange and black stripes, resembling a clown's attire, hence the alternative name "Clown Loach."
   • As juveniles, they may display more intense colors and patterns, which may fade slightly as they mature. However, they still retain their characteristic striped pattern.

2. Size:

   • Highfin Loaches can grow relatively large compared to other loach species. They typically reach lengths of 8 to 12 inches (20 to 30 centimeters) in captivity, although some individuals may grow larger under optimal conditions.

3. Temperament:

   • Clown Loaches are known for their peaceful temperament and sociable nature. They are schooling fish, meaning they thrive when kept in groups of at least five individuals. In smaller groups or when kept alone, they may become shy or stressed.
   • They are also known for their playful behavior, often darting around the aquarium and interacting with tank mates and decorations.

4. Tank Requirements:

   • Due to their large size and active nature, Highfin Loaches require spacious aquariums with plenty of swimming space. A tank size of at least 75 gallons is recommended for a small group of Clown Loaches.
   • Provide ample hiding spots such as caves, driftwood, and plants to mimic their natural habitat. They appreciate densely planted areas and soft substrate, as they may spend time burrowing or sifting through the substrate in search of food.

5. Water Parameters:

   • Clown Loaches prefer slightly acidic to neutral water conditions. Maintain a temperature range of 75°F to 82°F (24°C to 28°C) and a pH range of 6.5 to 7.5.
   • Ensure the aquarium is well-filtered and properly aerated, as Clown Loaches are sensitive to poor water quality.

6. Diet:

   • Highfin Loaches are omnivorous and will accept a variety of foods. Offer them a balanced diet consisting of high-quality sinking pellets or flakes, supplemented with live or frozen foods such as bloodworms, brine shrimp, and vegetable matter.
   • They may also graze on algae and detritus in the aquarium, but it's essential to provide supplemental feeding to ensure their nutritional needs are met.

7. Compatibility:

   • Clown Loaches are generally peaceful and can coexist with a wide range of community fish species. However, avoid keeping them with aggressive or fin-nipping tank mates that may harass or stress them.
   • They are compatible with other peaceful bottom-dwelling fish and schooling species that inhabit different levels of the aquarium.

Highfin Loaches are long-lived fish that can bring years of enjoyment to dedicated aquarists. With proper care, a suitable environment, and a well-balanced diet, they can thrive and become a captivating centerpiece in a freshwater aquarium.