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🐟 Clown Loach — Guide & Varieties

IN PRODUCTION   Fish & aquatic · 1 varieties mapped

The orange-and-black clown that grows far bigger than the pet store suggests.

Clown Loaches (Chromobotia macracanthus) are among the most recognizable aquarium fish — bright orange with black bands and red fins — but juveniles sold at 2-3 inches routinely reach 12 inches (30 cm) or more as adults. They are social, snail-eating, and long-lived, but they are a serious commitment.

The honest red line: a single clown loach in a small tank is a welfare problem. They need a large aquarium, a group, and warm stable water. They are not a nano or beginner fish despite their cute juvenile looks.

Popular varieties — start here

Clown Loach

How long do Clown Loaches live?

Clown Loaches are exceptionally long-lived, commonly 10-20+ years with proper care. Their lifespan is a direct function of tank size and water stability, so plan for decades.

What do Clown Loaches eat?

They eat sinking pellets, wafers, frozen/live foods, and snails; they are not scavengers that clean tanks. Overfeeding is the main diet error; feed moderate portions and include vegetable matter.

Tank size and water parameters

Adults need a 100-gallon (380 L) or larger tank; even juveniles need 55+ gallons with a plan to upgrade. Target 75-86°F (24-30°C), pH 6.0-7.5, moderate hardness, zero ammonia and nitrite, nitrate under 20 ppm. Keep in groups of 3-5+ on smooth substrate with caves.

Common mistakes with Clown Loaches

Deadliest errors: keeping one alone (they are social and pine); a tank far too small for a 12-inch adult; sharp substrate; and adding them to new or unstable tanks where they are disease-prone, especially to ich.

Beginner mistakes to avoid

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