Hara Hara Catfish (1.5cm) is a tiny, peaceful bottom-dweller perfect for nano aquariums. Hardy, unique, and great for planted or community tanks.

Introduce a truly fascinating and compact species to your aquarium with the Hara Hara Catfish (Hara jerdoni), also known as the Asian Stone Catfish. This diminutive freshwater catfish grows up to 3.5–4 cm as an adult but is available at a delicate size of 1.5 cm, making it perfect for nano and planted aquariums.

With its flat body, mottled brown coloration, and unique whiskers, the Hara Hara blends seamlessly into a natural aquascape while adding subtle movement and charm. Despite its small size, this species is hardy and ideal for peaceful community tanks when provided with the right conditions.

✅ Key Features

• Size: 1.5 cm (juvenile), up to 4 cm adult

• Temperament: Peaceful and shy

• Care Level: Moderate (requires stable conditions)

• Lifespan: 3–5 years

• Role: Excellent micro-bottom dweller for nano tanks

Care Guide for Hara Hara Catfish

✅ Tank Requirements

• Minimum Tank Size: 30 liters (8 gallons) for a small group

• Aquascape: Provide soft sand or fine gravel substrate, dense plants, leaf litter, and hiding spots using driftwood or stones

• Lighting: Low to moderate – they prefer dim environments

• Current: Gentle water flow with good oxygenation

Keep them in groups of at least 4–6 to encourage natural behavior.

✅ Water Parameters

• Temperature: 20°C – 26°C (68°F – 79°F)

• pH Level: 6.0 – 7.5

• Water Hardness: Soft to moderately hard water

• Filtration: Gentle sponge filter or low-flow system

• Water Changes: 20–30% weekly to maintain stability

✅ Feeding Habits

Hara Hara Catfish are micro-predators that feed primarily on small live or frozen foods.

• Recommended Diet:

  • Live or frozen bloodworms

  • Daphnia

  • Brine shrimp

  • Microworms

  • High-quality micro sinking pellets

Feed small portions twice daily. Ensure food reaches the bottom where they feed.

✅ Tank Mates

Due to their peaceful and shy nature, Hara Hara Catfish thrive with calm, small species.

Ideal Tank Mates:

• Micro Rasboras (Chili, Galaxy)

• Small Tetras (Ember Tetra)

• Endler’s Guppies

• Freshwater shrimp and snails

Avoid: Large, aggressive, or fast-eating fish that outcompete them for food.

✅ Behavior & Breeding

• Behavior: Nocturnal and secretive, most active during dim light or at night

• Breeding: Rare in home aquariums, requires soft acidic water and secluded hiding spots

Why Choose Hara Hara Catfish?

• Perfect for nano aquariums and planted tanks

• Peaceful bottom dweller that coexists well in community setups

• Unique and interesting species for collectors and enthusiasts

• Helps clean micro debris while adding biodiversity

✅ Ideal for aquascapers, nano tank lovers, and experienced hobbyists
✅ Adds subtle movement and rare beauty to your aquarium