Clown Loach
Clown Loach(Chromobotia macracantha) is one of the most iconic and beloved freshwater fish in the hobby — immediately recognizable by the vivid orange body with three bold black vertical bands and brilliant red fins. It is one of the most personable and entertaining fish available, with a complex social life, a habit of lying on its side (which alarms new owners but is completely normal), and an audible clicking sound during feeding. It is also one of the most frequently misunderstood in terms of its requirements.
Feeding & Care Tip:Hikari Sinking WafersandHikari Micro Pelletsmake excellent daily staples. Supplement 2–3× per week withHikari Frozen or Freeze-Dried BloodwormsorHikari Vibra Bites. Feed a mix of sinking and slow-sinking foods — active loaches will find food throughout the tank.
⚠ Size Warning:Clown Loaches are commonly sold as juveniles at 2–3 inches, but they are a large species that grows to12 inches (30 cm)and lives 20–30 years. A group of adult Clown Loaches requires a tank of at least 180 gallons and 6 feet in length. Purchase Clown Loaches only if you can commit to a large, long-term aquarium setup or have plans to rehome them as they grow.
Native to the fast-flowing rivers of Sumatra and Borneo — clear, warm, well-oxygenated water. The Clown Loach grows slowly but persistently — a juvenile of 2 inches becomes a 6-inch fish within a few years and eventually a 12-inch adult that will live 20–30 years. Most fish sold in stores are wild-caught juveniles; captive breeding is extremely rare.
Keep in groups of at least five — Clown Loaches have a complex social hierarchy and are stressed, prone to disease, and inactive alone or in pairs. A proper group develops elaborate social behaviors, dominance displays, and genuine personality. Compatible with most medium-to-large peaceful community fish. Excellent snail destroyers.
The lying-on-its-side behavior of the Clown Loach is entirely normal — they rest, sleep, and even play in this position. New owners frequently mistake it for illness. It is not. The audible clicking during feeding is produced by the bifurcated suborbital spine, which the fish can flick rapidly. An extraordinary, long-lived, and deeply rewarding fish for aquarists who can meet its needs.
Care & Ideal Parameters
| Difficulty | Moderate |
| Temperament | Peaceful — active social group |
| Typical Adult Size | 12 inches (30 cm) |
| Min. Group Size | 5 minimum — 180+ gallon tank as adults |
| Ideal Temp | 77–86°F (25–30°C) |
| Ideal pH | 6.0–7.5 |
| Ideal GH | 2–12 dGH |
| Ideal KH | 1–6 dKH |
| Staple Food | Hikari Sinking Wafers; Hikari Micro Pellets |
| Treat / Supplement | Hikari Frozen or Freeze-Dried Bloodworms; Hikari Vibra Bites |
| Origin | Sumatra and Borneo, Indonesia |
| Notes | Grows to 12 inches — needs 180+ gallon tank as adult. Lying on side is normal resting behavior — not illness. Produces audible clicking sound. Excellent snail control. Wild-caught — captive breeding extremely rare. |
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