Colombian Tetra (Hyphessobrycon columbianus) – 3–4 cm

🐠 Species Overview

The Colombian Tetra (Hyphessobrycon columbianus) is a vibrant and hardy freshwater fish native to the Acandí River in northwestern Colombia. This species is characterized by its silver-grey body with a striking turquoise-blue lateral stripe and vivid red fins, making it a popular choice among aquarists. They are known for their peaceful nature but can display occasional nipping behavior, especially if not kept in groups. 

🏡 Aquarium Setup & Care Instructions

Tank Size & Environment

• Minimum Tank Size: A 30-gallon (114 liters) aquarium is recommended for a small group.

• Substrate: Fine gravel or sandy substrate to mimic their natural environment.

• Decor: Provide ample hiding spots with driftwood, rocks, and dense plantings like Java fern and Anubias.

• Water Parameters:

  • Temperature: 24–28°C (75–82°F)

  • pH: 6.0–7.5

  • Hardness: Moderately soft to moderately hard water.

  • Filtration: Gentle filtration with moderate water movement.

Behavior & Tankmates

• Temperament: Generally peaceful but can be slightly nippy.

• Social Structure: Best kept in groups of 6 or more to reduce aggression and encourage natural schooling behavior.

• Compatibility: Suitable for community tanks with other peaceful species. Avoid keeping with slow-moving or long-finned fish.

Diet

• Feeding Habits: Omnivorous.

• Dietary Needs: Offer a varied diet including high-quality flake foods, micro pellets, and occasional live or frozen foods like brine shrimp and daphnia.