freshwater
Bala Shark
Balantiocheilos melanopterus
Elongated, torpedo-shaped body with large reflective silvery scales, large eyes, and a deeply forked caudal fin. The dorsal, ventral, and caudal fins are distinctively marked with bold black margins and white or transparent centers.
- Habitat
- Native to large rivers, streams, and flooded forests in…
- Size & weight
- Typically reaches lengths of 12 to 14 inches (30 to 35 c…
- Diet
- Omnivorous feeder consuming algae, small crustaceans, in…
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Physical characteristics
Elongated, torpedo-shaped body with large reflective silvery scales, large eyes, and a deeply forked caudal fin. The dorsal, ventral, and caudal fins are distinctively marked with bold black margins and white or transparent centers.
Habitat & distribution
Native to large rivers, streams, and flooded forests in Southeast Asia, specifically the Mekong and Chao Phraya river basins, as well as parts of Sumatra and Borneo. Prefers fast-flowing, clear freshwater systems.
Behavior
Active, peaceful, and highly social schooling fish that prefers to swim in groups. Known for being a strong and sometimes startling jumper when startled in an aquarium setting.
Diet
Omnivorous feeder consuming algae, small crustaceans, insects, insect larvae, and plant matter in the wild.
Reproduction
Egg-scatterers in the wild, undertaking seasonal migrations into flooded areas during the rainy season to spawn, though captive breeding is rare and usually requires hormone induction.
Ecological role
Acts as an omnivorous predator and scavenger in its native river ecosystems, helping control smaller invertebrate populations and recycling organic matter.
Similar species
Silver Shark minnow or other silver cyprinids, but easily distinguished by the prominent black margins on all its primary fins.
Identification tips
Look for the metallic silver body, torpedo shape, and characteristic jet-black edges bordered by white on the dorsal, pelvic, anal, and tail fins.
Interesting facts
Despite its common name 'Bala Shark', it is not a shark at all but a member of the minnow family (Cyprinidae). They are known for having no barbels around their mouth, unlike many other cyprinids.