The Clown Loach (Chromobotia macracanthus) is a vibrant freshwater fish with striking orange and black stripes. Known for its playful personality and social behavior, it is a favorite among community aquarists. They are bottom-dwellers and thrive in groups.
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The Clown Loach (Chromobotia macracanthus) is a vibrant freshwater fish with striking orange and black stripes. Known for its playful personality and social behavior, it is a favorite among community aquarists. They are bottom-dwellers and thrive in groups.
Elongated, laterally compressed body with alternating black and orange bands. Large eyes and barbels around the mouth for sensing food. Adults can grow 10–12 inches in captivity. Smooth fins and slightly pointed snout.
10–15 years on average; up to 20 years in well-maintained aquariums
Omnivorous; feeds on live or frozen foods like bloodworms, brine shrimp, and tubifex, as well as high-quality sinking pellets and fresh vegetables (zucchini, cucumber, spinach).
Clown Loaches are a perfect addition to large community aquariums. Their playful, social behavior, striking colors, and active bottom-dwelling habits make them both decorative and entertaining. Ensure they are kept in groups for optimal health and happiness.
Moderate – requires large tank, social groups, hiding spaces, and stable water conditions.
100+ gallons (larger preferred for groups)
6.0 to 7.5
5–12 dGH
77–86°F (25–30°C)
10–12 inches
Peaceful species such as tetras, rasboras, gouramis, other loaches, and non-aggressive cichlids.
Aggressive species, very small fish that could be eaten, or overly territorial fish that may stress them.
Chromobotia macracanthus
Botiidae
Southeast Asia – Indonesia (Borneo, Sumatra); inhabits rivers and streams with sandy or rocky substrates.
Highly social; best kept in groups of 5 or more. Peaceful with midwater and surface community fish.
Feed 2–3 times daily. Offer live/frozen foods like bloodworms and brine shrimp, supplemented with sinking pellets and blanched vegetables. Ensure food reaches the bottom where they naturally forage.
Breeding in captivity is rare. Requires large aquariums with clean water and varied diets. They scatter eggs over plants and substrate; no parental care is provided.
pH: 6.0–7.5, Temperature: 77–86°F (25–30°C), Hardness: 5–12 dGH, Ammonia/Nitrite: 0 ppm, Nitrate: <20 ppm
Sensitive to poor water quality; prone to ich and internal parasites if stressed. Avoid sudden water changes. Regular feeding of varied diet prevents nutritional deficiencies.
Peaceful, social, and highly active. Should be kept in groups of 5 or more. Very playful and often interacts with tankmates. Can be shy at first but becomes confident over time.
Native to Southeast Asia, particularly Indonesia, the Clown Loach is admired for its striking orange and black coloration, eel-like body, and playful behavior. Adults grow large, up to 12 inches or more, so they require spacious aquariums. They are social fish, best kept in groups, and benefit from hiding spaces, driftwood, and smooth rocks. Clown Loaches are hardy but sensitive to poor water quality. Providing a varied diet ensures vibrant colors, long lifespan, and active, healthy behavior.