Tiger Pacu

Piaractus brachypomus

Tiger Pacu (Piaractus brachypomus) — Varies care, Peaceful, under Other. Minimum tank in the app: 46 US gal min; aim for 72–82°F and pH 6.5–7.5. The Tiger Pacu is an engaging addition for aquarists who appreciate dynamic mid-water swimmers.

Tiger Pacu (Piaractus brachypomus) in a planted freshwater aquarium
Care levelVaries
TemperamentPeaceful
Min tank size46 US gal min
pH range6.5–7.5
Temperature72–82°F
Max size5.1 in (13.0 cm)
Captive lifespan12–20 years
SchoolingNo

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

Natural distribution

South America

  • South America

Regional colours match the stocking calculator’s origin map.

Tiger Pacu Tank Setup

Aim for a spacious layout with a mix of open swimming areas and strategically placed decorations or plants for cover. Moderate water flow mimics their natural habitat and promotes activity. Use a substrate that allows for easy cleaning, and ensure lighting is bright enough to enhance their coloration without causing stress.

What Do Tiger Pacus Eat?

These omnivores can adapt to various foods, but they thrive on a balanced diet that includes both plant matter and protein. During feeding, their speed and competition levels can vary; ensure enough food is provided to minimize aggression.

Tiger Pacu Tank Mates

Ideal companions for Tiger Pacus include larger, non-aggressive species that share similar water conditions, such as certain cichlids or other mid-water dwellers. Avoid smaller, more timid species that may become targets for stress. Intraspecies interactions can be stable if introduced properly, but be mindful of size and assertiveness when considering tank mates.

Are Tiger Pacus Good for Beginners?

Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the swimming space required for Tiger Pacus, leading to stress and territorial disputes. Overcrowding or inappropriate tank mates can exacerbate aggression.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.