Black Ink Barb Care Guide
Barbodes bunau · Freshwater Fish
What Black Ink Barb look like
The Black Ink Barb (Barbodes bunau) exhibits a laterally compressed, fusiform body shape, reaching a maximum adult size of approximately 3 inches. Sexual dimorphism is pronounced, with males displaying a strikingly deep inky black coloration, particularly during breeding periods, while females exhibit a more subdued olive hue. The species possesses a well-developed lateral line system, aiding in sensory perception within its blackwater habitat. Notable morphological features include a small, forked caudal fin and a prominent adipose fin, which contribute to its agile swimming capabilities. The dentition consists of small, pharyngeal teeth adapted for an omnivorous diet, allowing for efficient processing of both plant and animal matter.
Behavior & temperament
The Black Ink Barb is primarily a social species, often found in small to medium-sized schools, which provides safety in numbers against potential predators. It typically occupies the mid to upper water column in its natural habitat, favoring slow-moving streams and pools with dense vegetation. Breeding behavior is characterized by egg scattering, where females release eggs into the water column, and males fertilize them externally. This species exhibits a generally peaceful temperament, though males can display territorial aggression during breeding seasons, particularly towards other males exhibiting similar coloration.
Diet & feeding
In the wild, the Black Ink Barb is an omnivore, feeding on a varied diet that includes detritus, small invertebrates, and plant matter. In captivity, it thrives on a balanced diet of high-quality flake food, supplemented with live or frozen foods such as daphnia and brine shrimp, along with vegetable matter to ensure optimal health.
Behind the name
Barbodes (from 'barbus', meaning 'barbel' in Latin); bunau (from Malay, referring to the region of Borneo).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Black Ink Barb?
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