Bala Shark (Balantiocheilos melanopterus)
Bala Shark Overview
Common Name: Bala Shark
Scientific Name: Balantiocheilos melanopterus
Region of Origin: Southeast Asia (Thailand, Borneo, Sumatra)
Maximum Size: 12–14 inches (30–35 cm)
Minimum Tank Size: 125 gallons
Lifespan: 8–10 years
Care Level: Intermediate
Temperament: Peaceful
Preferred Tank Zone: Middle
Schooling Behavior: Yes – prefers to be in groups of 4 or more
Description:
Despite its name, the Bala Shark is not a true shark but gets its name from its sleek body and upright dorsal fin. These striking, silver-bodied fish with black-edged fins are highly active swimmers and require large aquariums with open space. They’re peaceful and social, making them ideal for large community tanks with similarly sized tank mates.
Water Parameters
Temperature: 72–82°F (22–28°C)
pH Range: 6.5–8.0
Water Hardness (GH): 5–12 dGH
Carbonate Hardness (KH): 3–10 dKH
Water Type: Freshwater – Neutral to slightly alkaline
Aquascape Recommendations:
- Large swimming space with minimal obstructions
- Smooth substrate (sand or fine gravel)
- Driftwood or large rocks on tank edges
- Secure, tight-fitting lid (they are powerful jumpers)
- Minimal or robust live plants (they won’t eat them, but may damage delicate ones)
Feeding & Diet
Diet Type: Omnivore
Core Diet:
- High-quality sinking pellets
- Spirulina flakes
- Soft vegetable matter (zucchini, blanched spinach)
Supplements & Treats:
- Frozen bloodworms or brine shrimp
- Daphnia
- Earthworm flakes
Feeding Notes:
Bala Sharks have hearty appetites. Feed 1–2 times daily and ensure food reaches them if housed with faster surface feeders.
Behavior & Compatibility
Temperament: Peaceful, active, social
Best Tank Mates:
- Rainbowfish
- Giant Danios
- Silver Dollars
- Clown Loaches
- Larger barbs
Avoid Housing With:
- Small or slow-moving fish (e.g., guppies, bettas)
- Aggressive cichlids or fin-nippers
Territorial Behavior:
Not territorial. Best kept in groups to reduce stress and promote natural schooling.
Behavior Type: Midwater swimmer, schooling species
Activity Level: Very active and fast-moving
Breeding
Breeding Method: Egg-layer (rarely bred in home aquariums)
Breeding Setup:
- Extremely large tank (>200 gallons)
- Soft, slightly acidic water
- Dim lighting and calm environment
Spawning Behavior:
Little is known about home spawning; most Bala Sharks are bred in commercial farms using hormone induction.
Fry Care:
Not applicable in typical home aquarium setups.