Scissortail Rasbora

Rasbora trilineata

Scissortail Rasbora (Rasbora trilineata) — Easy care, Peaceful, under Rasbora. Minimum tank in the app: 45 US gal min; aim for 72–77°F and pH 5.5–7.5. Scissortail Rasboras are ideal for both beginner and experienced aquarists seeking dynamic mid to top-level swimmers.

Scissortail Rasbora (Rasbora trilineata) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size45 US gal min
pH range5.5–7.5
Temperature72–77°F
Max size5.5 in (14.0 cm)
Captive lifespan5–10 years
SchoolingYes · 6+ recommended

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Southeast Asia

  • East & Southeast Asia

Regional colours match the stocking calculator’s origin map.

Scissortail Rasbora Tank Setup

A spacious layout with open swimming areas complemented by dense vegetation and hiding spots is essential. Use fine gravel or soft substrate to mimic their natural habitat, and ensure moderate water flow to encourage natural swimming behaviors. Lighting should be moderate, enhancing their colors while providing shaded areas to reduce stress.

What Do Scissortail Rasboras Eat?

These omnivores have a moderate feeding speed, and while they are not fin-nippers, competition for food can arise, especially if not fed regularly. A varied diet rich in micro foods will enhance their health and vibrancy, so ensuring they receive balanced nutrition is crucial for optimal coloration and well-being.

Scissortail Rasbora Tank Mates

Scissortail Rasboras pair well with similarly-sized, peaceful species such as other rasboras, tetras, and small barbs. Avoid larger, aggressive fish that occupy the same swimming zones. Intraspecies, they thrive in groups of six or more, but overcrowding can lead to stress; hence, maintaining a balance is key.

Are Scissortail Rasboras Good for Beginners?

In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of group size, leading to stress and reduced activity in smaller numbers. Inadequate tank space or cover can result in skittish behavior, while neglecting water parameters may lead to health decline.

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