Black Ruby Barb – Pethia nigrofasciata 3 cm Hemigrammus tocantinsi Weekly water changes (30–50%) are

Weekly water changes (30–50%) are essential

as well as blanched vegetables such as spinach or peas

Minimum tank size: 40+ gallons for a single specimen

Feeding Tips: Offer food after lights out

Diet:Omnivorous—feasts on micro-pellets or flakes

Black Ruby Barb – Pethia nigrofasciata 3 cm Hemigrammus tocantinsi Weekly water changes (30–50%) areOrigin & Habitat Native Range: Endemic to the forested streams of southwestern Sri Lanka, including the Kelani and Nilwala river basins. Natural Habitat: Cool, shaded, and slow flowing waters with gravel or sand substrates. Appearance & Behavior Size: Adults typically reach up to 6. 5 cm (2. 5 inches); females are slightly larger than males. Coloration: Males exhibit a vibrant ruby red hue, especially during breeding, while females display a more