Jellybean Tetra

Characidae sp.

Jellybean Tetra (Characidae sp.) — Easy care, Peaceful, under Tetra & Characin. Minimum tank in the app: 9.8 US gal min; aim for 72–81°F and pH 5.5–7.5. The Jellybean Tetra is an excellent choice for both novice and experienced aquarists due to its vibrant appearance and easy care requirements.

Jellybean Tetra (Characidae sp.) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size9.8 US gal min
pH range5.5–7.5
Temperature72–81°F
Max size1.2 in (3.0 cm)
Captive lifespan3–6 years
SchoolingYes · 6+ recommended

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

Natural distribution

Mostly South America

  • South America

Regional colours match the stocking calculator’s origin map.

Jellybean Tetra Tank Setup

Create a mid-water haven with open swimming spaces complemented by vegetation or driftwood for cover. Aim for a gentle water flow and a soft substrate to mimic their natural habitat. Maintain stable water parameters with moderate lighting to encourage natural behaviors and reduce stress.

What Do Jellybean Tetras Eat?

Jellybean Tetras feed at a moderate pace, so ensure they are not outcompeted by faster or more aggressive feeders. Providing a varied diet of micro foods not only supports their health but enhances their coloration.

Jellybean Tetra Tank Mates

Ideal tank mates include similarly sized, peaceful species such as small rasboras or dwarf cichlids, which share comparable temperament and swimming zones. Avoid aggressive or larger fish that may intimidate or outcompete them for food. Intraspecies, keeping them in groups of six or more is crucial to prevent bullying or isolation.

Are Jellybean Tetras 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 overlook the importance of group dynamics, leading to the common mistake of keeping them in smaller groups. This can result in increased stress and reduced social behaviors.

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.