Colombian Tetra: Fish Species Profile

Species Overview

The Colombian Tetra (Hyphessobrycon columbianus) is a vibrant freshwater fish known for its striking red and blue coloration. Native to Colombia, this species is a popular choice among aquarists due to its energetic behavior and visual appeal.

• Common Names: Colombian Tetra, Red and Blue Colombian Tetra
• Scientific Name: Hyphessobrycon columbianus
• Adult Size: Up to 2.5 inches (6.5 cm)
• Life Expectancy: 3–5 years

Characteristics

• Family: Characidae
• Origin: Colombia
• Social: Active schooling fish
• Tank Level: Mid to upper water levels
• Minimum Tank Size: 30 gallons
• Diet: Omnivore
• Breeding: Egg layer
• Care Level: Intermediate
• pH: 5.5–7.0
• Hardness: 6–15 dGH
• Temperature: 75–81°F (24–27°C)

Origin and Distribution

Colombian Tetras are indigenous to the Acandí River in northwestern Colombia. They inhabit slow-moving waters rich in vegetation, providing ample hiding spots and feeding opportunities.

Colors and Markings

This species boasts a shimmering blue body complemented by vivid red fins, creating a striking contrast. The intensity of their coloration can be enhanced with proper diet and optimal water conditions.

Tankmates

Colombian Tetras are generally peaceful but can exhibit fin-nipping behavior if not kept in adequate numbers. Suitable tankmates include:

• Other robust tetras
• Corydoras catfish
• Larger rasboras
• Peaceful cichlids

Avoid housing them with long-finned or slow-moving species to prevent potential harassment.

Habitat and Care

To replicate their natural environment:

• Tank Size: A minimum of 30 gallons is recommended to accommodate their active nature.
• Substrate: Use a dark substrate to enhance their colors.
• Plants: Incorporate live plants like Amazon swords and Java ferns to provide cover and mimic their natural habitat.
• Lighting: Moderate lighting is ideal to showcase their vibrant hues.
• Filtration: Ensure efficient filtration to maintain water quality, as they are sensitive to poor conditions.

Regular water changes and monitoring of parameters are essential to keep them healthy.

Diet and Feeding

Colombian Tetras are omnivorous and thrive on a varied diet. Offer them:

• High-quality flake or pellet food
• Live or frozen foods like bloodworms, brine shrimp, and daphnia
• Occasional vegetable matter such as blanched spinach or spirulina-based flakes

Feed them small amounts 2–3 times daily, ensuring they consume all the food within a few minutes.

Gender Differences

Males are typically more slender with brighter coloration, while females are slightly larger with a rounder abdomen, especially when ready to spawn.

Breeding

Breeding Colombian Tetras can be challenging but achievable with proper conditions:

• Breeding Tank: Set up a separate tank with soft, slightly acidic water and fine-leaved plants or spawning mops.
• Conditioning: Feed breeding pairs a high-protein diet of live and frozen foods to encourage spawning.
• Spawning: After spawning, remove adults to prevent them from eating the eggs.

Eggs typically hatch within 24–36 hours, and fry become free-swimming a few days later. Feed fry infusoria or commercially available fry food until they are large enough to accept baby brine shrimp.

Further Research

For more information on similar species and care techniques, consider exploring:

• Serpae Tetra
• Buenos Aires Tetra
• Rosy Barb

FAQ

How many Colombian Tetras should I keep together?
It’s best to keep them in groups of at least 6–8 individuals to reduce aggression and promote natural schooling behavior.

Are Colombian Tetras suitable for beginners?
While they are hardy, their sensitivity to water conditions and potential for fin-nipping make them more suitable for aquarists with some experience.

What is the ideal tank setup for Colombian Tetras?
A well-planted tank with ample swimming space, moderate lighting, and stable water parameters closely mimics their natural habitat and helps them thrive.