Serpae Tetra

Hyphessobrycon eques

Serpae Tetra (Hyphessobrycon eques) — Easy care, Peaceful, under Tetra & Characin. Minimum tank in the app: 17.2 US gal min; aim for 68–82°F and pH 5.5–7.5. Serpae Tetras are ideal for aquarists seeking lively, colorful additions to a mid-level swimming zone.

Serpae Tetra (Hyphessobrycon eques) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size17.2 US gal min
pH range5.5–7.5
Temperature68–82°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.

Serpae Tetra Tank Setup

Create a balanced environment with ample swimming space complemented by plants and driftwood offering cover. A mix of open areas and shaded spots promotes natural behavior, while gentle water flow prevents stress. Using fine substrates and moderate lighting will enhance their colors and mimic their natural habitat, ensuring a stimulating experience.

What Do Serpae Tetras Eat?

They are quick feeders and may outcompete slower species for food, so consider offering small, varied foods to accommodate all tank inhabitants. A diet rich in micro-pellets, flakes, and occasional live or frozen foods will enhance their coloration and health, encouraging active foraging behavior.

Serpae Tetra Tank Mates

Serpae Tetras pair well with similarly sized, peaceful species that occupy different vertical zones; consider small rasboras, other tetras, or peaceful community fish. Avoid larger or overly aggressive species that may intimidate them. Intraspecies dynamics thrive in groups of six or more, preventing stress and promoting a cohesive school.

Are Serpae 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 maintaining a minimum group size, leading to social stress and reduced vitality. neglecting water parameters, particularly pH and temperature, can adversely affect their well-being.

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.