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Clown loach (Chromobotia macracanthus)
Photo: Vlad Butsky from San Jose, CA, USA · CC BY 2.0 via Wikimedia Commons

Clown loach

Chromobotia macracanthus · Botiidae

Also known as Tiger botia

Advanced

Sociable, snail-eating loach that reaches 30 cm and lives for decades — a big-tank fish.

In short: A clown loach needs at least 600 L (159 US gal), water at 25–30 °C (77–86 °F) and pH 6–7.5. It is peaceful, best kept in groups of 5 or more, and rated advanced to keep.

Minimum tank
600 L (159 US gal)
Temperature
25–30 °C (77–86 °F)
pH
6–7.5
Adult size
30 cm (11.8 in)
Group size
5+

Care requirements

Minimum tank volume
600 L (159 US gal)
Temperature
25–30 °C (77–86 °F)
pH
6–7.5
Hardness
2–15 dGH
Lifespan
15–25 years
Diet
Omnivore — sinking pellets, snails, frozen foods, vegetables.
Care level
Advanced

Origin & habitat

Native region
Sumatra and Borneo
Water type
Freshwater
Biotope
Large fast rivers, migrating to flooded forest
Natural conditions
Warm, soft, strongly flowing, oxygen-rich water.

Behaviour & stocking

Temperament
Peaceful
Minimum group
5 fish
Swims
Bottom
Good tank mates
Silver dollar
Larger barbs
Bristlenose pleco
Rainbowfish
Avoid
Nano fish
Ornamental snails
Aggressive cichlids

Breeding & difficulty

Breeding difficulty
Advanced
Sexing
Females are broader; males have a more forked tail.
Notes
Migratory spawner; not bred outside hormone-assisted farms.
Common ailments
Ich (highly susceptible)
Skinny disease
Stunting in small tanks
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