Serpae Tetra

• ExerciseModerate

  An active swimmer that appreciates open swimming space.

• GroomingEasy tank upkeep

  No grooming here — steady water quality and routine tank care do it.

• Living spaceNano-tank friendly

  Happy in a small, stable, well-filtered tank.

• Owner experienceSome experience helps

  A little know-how makes life smoother.

• Commitment5–7 years

  Plan for a long, loving relationship.

Health to watch: Ich (white spot) · Fin rot · Skin conditions

The serpae tetra (Hyphessobrycon eques) is a deep-red characin from the Guaporé, Paraguay and Madeira river basins of central South America. It grows to about 4 cm and lives 5–7 years. Its blood-red body, dark shoulder blotch and black-tipped fins make it one of the more striking small tetras. Serpaes are active shoalers for a tank of 75 litres or more and must be kept in groups of six or more — ideally more — to diffuse their aggression. Keep them at 22–27°C with a pH of 5.0–7.5, providing plants, driftwood and open swimming space. A large, well-structured shoal keeps their energy focused inward rather than on tankmates. They are hardy omnivores that eat flake, pellets and frozen foods enthusiastically. Their reputation as fin-nippers is real: kept in small numbers or with slow, long-finned fish, they harass tankmates, so choose brisk companions and a big group. Their few health issues — ich and fin rot — follow poor water or chilling, both prevented by clean, stable conditions.

• How active is a Serpae Tetra?

  Moderate. An active swimmer that appreciates open swimming space.

• How much maintenance does a Serpae Tetra need?

  Easy tank upkeep. No grooming here — steady water quality and routine tank care do it.

• What tank size does a Serpae Tetra need?

  Nano-tank friendly. Happy in a small, stable, well-filtered tank.

• Is a Serpae Tetra a good fit for first-time owners?

  Some experience helps. A little know-how makes life smoother.

• How long do Serpae Tetra live?

  5–7 years. Plan for a long, loving relationship.

• What health issues affect the Serpae Tetra?

  Keep an eye out for Ich (white spot), Fin rot, Skin conditions. These are worth raising with your vet, along with any screening they recommend.

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