Roseline Shark (Sahyadria denisonii)

Roseline Sharks (Sahyadria denisonii), also called Denison barbs or red-line torpedo barbs, are sleek Indian cyprinids with a blazing red lateral stripe and black accents. They are powerful schooling fish that need long tanks, strong filtration, and companions that can match their swimming stamina. When kept in a proper group, few freshwater fish match their torpedo speed and show-floor color. Quick care Adult size: About 4–6 inches Temperament: Peaceful but very active; may intimidate timid slow fish Minimum tank size: 55–75 gallons for a school of 6+ Diet: Quality flakes/pellets, frozen foods, vegetable matter Water: 65–79°F; pH 6.5–7.8; well-oxygenated water Ideal tank mates: Other active barbs and rainbows, larger tetras; not with tiny nano fish Frequently asked questions What tank size do Roseline Shark (Sahyadria denisonii) need? Adults need long aquariums—many keepers target 75+ gallons for a school. These torpedo cyprinids are constant swimmers. Short tanks frustrate them. How many Roseline Shark (Sahyadria denisonii) should I keep? A group of six or more reduces nervousness and fin damage from stress. Singles often stay flighty. Schooling is core to their well-being. Are Roseline Shark (Sahyadria denisonii) peaceful community fish? Mostly peaceful with similarly sized active fish. They may outcompete shy species at feeding time. Skip tiny nanos and ultra-aggressive cichlids. What water parameters suit Roseline Shark (Sahyadria denisonii)? Well-oxygenated, clean water around the mid-70s °F with mature filtration. They dislike poor oxygen and crowding. Strong current and open swimming lanes help. What do Roseline Shark (Sahyadria denisonii) eat? Quality flakes/pellets plus frozen foods and some vegetable matter. They’re eager mid-water feeders. Varied diets keep the red-and-black line vivid. Are Roseline Shark (Sahyadria denisonii) good for beginners? Only if you can provide adult swimming space and excellent water quality. Hardy when settled, but not a small-tank fish. Plan big from the start.