Bengal Loach

Cobitoidea sp.

Bengal Loach (Cobitoidea sp.) — Intermediate care, Peaceful, under Loach. Minimum tank in the app: 37 US gal min; aim for 73–79°F and pH 6–7.8. The Bengal Loach is well-suited for aquarists seeking an engaging bottom-dweller that thrives in groups.

Bengal Loach (Cobitoidea sp.) in a planted freshwater aquarium
Care levelIntermediate
TemperamentPeaceful
Min tank size37 US gal min
pH range6–7.8
Temperature73–79°F
Max size5.1 in (13.0 cm)
Captive lifespan8–16 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Asia

  • East & Southeast Asia

Regional colours match the stocking calculator’s origin map.

Bengal Loach Tank Setup

Aim for a spacious layout with ample hiding places using rocks, caves, and driftwood to accommodate their social nature and reduce aggression. A sandy substrate mimics their natural habitat and allows for burrowing, while moderate flow can stimulate their natural foraging instincts. Lighting should be subdued to encourage exploration and comfort.

What Do Bengal Loachs Eat?

Being omnivorous, they require a varied diet that includes both plant and protein sources. They are moderate feeders, so competition can arise during feeding time; consider scattering food to minimize disputes.

Bengal Loach Tank Mates

Ideal companions include mid to large-sized species that share similar temperaments, such as larger tetras or barbs. Avoid overly aggressive or fin-nipping species, as Bengal Loaches may respond defensively. Intraspecies dynamics are manageable as long as individual territories are respected, but overcrowding can exacerbate stress and aggression.

Are Bengal Loachs Good for Beginners?

We rate this as intermediate. Budget time for testing, maintenance, and watching behaviour if the water looks fine but the fish do not. Aquarists often underestimate the need for space and structure, leading to stress and aggression among individuals. Failing to provide a varied diet can result in nutritional deficiencies, which are particularly detrimental to their health and coloration.

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