Ornate Tetra

Characidae sp.

Ornate Tetra (Characidae sp.) — Easy care, Peaceful, under Tetra & Characin. Minimum tank in the app: 19.8 US gal min; aim for 72–82°F and pH 5.5–7.5. The Ornate Tetra appeals to aquarists seeking a visually engaging and lively mid-water shoaler that thrives in groups.

Ornate Tetra (Characidae sp.) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size19.8 US gal min
pH range5.5–7.5
Temperature72–82°F
Max size1.8 in (4.5 cm)
Captive lifespan4–8 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.

Ornate Tetra Tank Setup

Create a balanced environment with ample swimming space complemented by plants and decorations that provide visual cover. Use softer substrates to mimic their natural habitat and include gentle water flow to appeal to their native conditions. Moderate lighting will enhance their coloration without causing discomfort, ensuring they feel secure while exploring.

What Do Ornate Tetras Eat?

Ornate Tetras are opportunistic feeders, thriving on a varied diet of micro foods. Ensure that food is small enough for them to consume quickly, as they may struggle against faster, more aggressive feeders.

Ornate Tetra Tank Mates

Ideal companions include similarly sized, non-aggressive fish that occupy different tank levels, such as small rasboras or peaceful gouramis. Avoid pairing with overly boisterous or larger species that may intimidate them. Within their own species, maintain groups of at least six to foster social cohesion; larger shoals can improve their confidence and reduce stress.

Are Ornate 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 underestimate the importance of group size, leading to stress and diminished activity when kept alone or in small numbers. neglecting water parameters, particularly pH and temperature, can cause health issues.

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

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