Rainbow Stiphodon

Stiphodon ornatus

Rainbow Stiphodon (Stiphodon ornatus) — Intermediate care, Peaceful, under Rainbowfish. Minimum tank in the app: 13.2 US gal min; aim for 68–79°F and pH 6.5–8. The Rainbow Stiphodon is perfect for aquarists seeking a lively and engaging fish that thrives in groups.

Rainbow Stiphodon (Stiphodon ornatus) in a planted freshwater aquarium
Care levelIntermediate
TemperamentPeaceful
Min tank size13.2 US gal min
pH range6.5–8
Temperature68–79°F
Max size2.6 in (6.5 cm)
Captive lifespan2–5 years
SchoolingYes · 6+ recommended

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

Natural distribution

Australia / New Guinea

  • Australia & Oceania

Regional colours match the stocking calculator’s origin map.

Rainbow Stiphodon Tank Setup

Aim for a spacious layout with a balance of open swimming areas and plenty of hiding spots, such as plants and driftwood, to foster social interactions. Ensure moderate water flow and use a soft substrate to mimic their natural habitat, while maintaining a lighting setup that enhances their colors without causing undue stress.

What Do Rainbow Stiphodons Eat?

Rainbow Stiphodon are omnivorous and can be competitive during feeding, especially if the food is finely crushed or in small particles. Provide a varied diet to enhance their health and coloration, and consider using sinking pellets or flakes to cater to their mid-to-top feeding behavior.

Rainbow Stiphodon Tank Mates

Ideal companions include similarly sized and non-aggressive fish that occupy different tank levels to prevent competition for space. Avoid larger, predatory species that might intimidate them or smaller, slower fish that could become targets. Maintain groups of at least six Stiphodon to prevent interspecies stress.

Are Rainbow Stiphodons Good for Beginners?

We rate this as intermediate. Budget time for testing, maintenance, and watching behaviour if the water looks fine but the fish do not. Aquarists often underestimate the importance of group dynamics, leading to lonely Stiphodon that exhibit stress behaviors. neglecting to create a well-structured environment can result in anxiety and decreased activity levels, undermining their vibrant personality.

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