Rosy Tetra (Hyphessobrycon bentosi (often treated as part of the Hyphessobrycon bentosi ornatus complex; exact taxonomy varies by source)) — 3,5-4cm

Overview of Rosy Tetra

The fresh water fish, scientifically known as Hyphessobrycon bentosi (often treated as part of the Hyphessobrycon bentosi ornatus complex; exact taxonomy varies by source), a graceful, peaceful schooling tetra with subtle rosy coloration and elegant finnage, ideal for planted community aquariums.. The rosy tetra (Megalamphodus rosaceus) is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is found in northern South America. It i

Native to Northern South America, especially the Amazon basin, this easy-care species belongs to the Acestrorhamphidae family and has earned a loyal following among UK aquarists for its unique characteristics and manageable requirements.

Appearance and Distinguishing Features

The Rosy Tetra displays the classic tetra body shape with distinctive markings that set it apart from other characins. Their schooling behavior creates a mesmerizing display of synchronized movement and color.

At Tropical Fish Co, we select only the healthiest specimens with vibrant coloration and active behavior, ensuring you receive premium quality fish for your aquarium.

Natural Habitat and Origin

In the wild, Hyphessobrycon bentosi (often treated as part of the Hyphessobrycon bentosi ornatus complex; exact taxonomy varies by source) inhabits northern south america, especially the amazon basin. Understanding their natural environment helps us replicate optimal conditions in the home aquarium.

These waters are typically soft, slightly acidic, and rich in tannins from decomposing leaf litter. Dense vegetation provides shelter and feeding opportunities, while seasonal flooding creates dynamic habitat conditions.

Aquarium Setup and Requirements

A minimum tank size of 75 litres is essential for housing Rosy Tetra. Larger aquariums provide more stable water chemistry and greater swimming space, both critical for long-term health.

A well-planted aquarium with open swimming areas suits this species perfectly. Use a dark substrate to enhance coloration, and include driftwood and leaf litter to create natural tannins and hiding places.

Invest in quality filtration capable of turning over the tank volume 4-6 times per hour, and perform regular 25-30% water changes weekly to maintain pristine conditions.

Water Parameters and Chemistry

Maintaining correct water parameters is crucial for the health of Rosy Tetra:

• Temperature: 24-28C
• pH Range: 5.5-7.5
• Hardness: See species-specific requirements
• Ammonia/Nitrite: 0 ppm (zero tolerance)
• Nitrate: Below 20 ppm ideally

This species prefers soft, acidic water. Use RO water remineralized to appropriate GH/KH, add Indian almond leaves or alder cones for tannins, and avoid calcareous decorations that raise pH.

Invest in quality test kits and check parameters weekly. Stability is more important than hitting exact numbers - avoid sudden changes that stress fish.

Feeding and Nutrition

As a omnivore, Rosy Tetra requires a carefully balanced diet to maintain optimal health and coloration.

Offer a varied small-food diet including quality flake or micro-pellets, frozen and live foods such as daphnia, brine shrimp, and bloodworms, with some plant-based components if accepted.

Vary the diet between quality flakes/pellets, frozen foods (bloodworms, daphnia, brine shrimp), and occasional fresh vegetables. Nutritional variety promotes vibrant colors, strong immunity, and natural behavior.

Remove uneaten food after 3-5 minutes to prevent water quality degradation. A single weekly fasting day can benefit digestion and overall health.

Behaviour and Temperament

The Rosy Tetra is classified as peaceful, though individual personality can vary with age, tank size, and stocking density.

This peaceful species thrives in community setups with similarly sized, non-aggressive tankmates. Calm demeanor and gentle nature make it ideal for planted aquariums.

Best kept in a planted, dimly lit aquarium with soft, clean water and a tight-fitting lid; males may display mild fin-nipping toward each other, so maintain a proper group size to spread aggression.

Compatible Tank Mates

Choose tankmates carefully to ensure a harmonious community aquarium:

Compatible species include:

• Other peaceful small tetras
• Rasboras
• Corydoras catfish
• Small peaceful loaches
• Peaceful livebearers

Avoid housing with:

• Large predatory fish
• Aggressive cichlids
• Fin-nipping species such as tiger barbs
• Very boisterous tankmates
• Fish large enough to eat them

Always research specific compatibility and introduce new fish gradually, monitoring behavior closely during the first few weeks.

Breeding and Reproduction

Egg scatterer that may spawn in soft, slightly acidic water with fine-leaved plants or spawning mops. Parents do not provide care and eggs may be eaten, so remove adults after spawning for best...

Egg-scattering species require dense planting or spawning mops to catch eggs. Remove adult fish immediately after spawning to prevent egg predation. Fry emerge in 24-48 hours and require infusoria or liquid fry food initially.

Why Buy Rosy Tetra from Tropical Fish Co UK

When you choose Tropical Fish Co for your fresh water fish purchase, you benefit from:

• Premium Quality: Every fish is quarantined, health-checked, and feeding well before dispatch
• Expert Selection: We hand-pick active, vibrant specimens with excellent coloration
• Safe Delivery: Specialist courier service with heat packs and double-bagged packaging
• Live Arrival Guarantee: We stand behind every shipment with our comprehensive guarantee
• Ongoing Support: Expert care advice available whenever you need it

With decades of combined experience in the UK aquarium trade, we understand what makes healthy, thriving fish. Our Rosy Tetra specimens are among the finest fresh water fish available online today.

Order with confidence knowing you're purchasing from a trusted UK specialist. We're passionate about connecting aquarists with exceptional fish for sale UK wide.