Hyphessobrycon amandae (Ember Tetra)

27 March 2026

2790

The Ember Tetra (Hyphessobrycon amandae) is a stunning, vividly orange micro-fish native to the Araguaia River basin in Brazil. Known for its peaceful schooling nature and striking fiery coloration, this tiny tetra is a highly popular choice for planted nano aquariums and peaceful community setups.

Overview

The Ember Tetra (Hyphessobrycon amandae) is a highly sought-after freshwater fish in the aquarium hobby, prized for its small size and brilliant, fiery coloration. Because they remain incredibly small, they are an ideal candidate for nano tanks and aquascaped setups where their bright colors can contrast beautifully against lush green foliage.

Distribution and Habitat

Native to the Araguaia River basin in the Mato Grosso region of Brazil, these tetras are typically found in slow-moving tributaries, oxbow lakes, and flooded forest areas. Their natural habitat is characterized by soft, acidic blackwater, heavily tinted with tannins from decaying leaf litter, branches, and submerged roots.

Description of Ember Tetra

Image of sparkling tetra hyphessobrycon amandae

The Ember Tetra is a quintessential micro-fish, boasting a delicate yet vibrant appearance that makes it stand out despite its miniature proportions.

Body shape:

They possess a classic tetra profile—elongated, laterally compressed, and somewhat torpedo-shaped, which aids in swift, darting movements through the water column.

Color:

As their name suggests, they exhibit a glowing, translucent orange-to-red hue. The intensity of their color often depends on their diet, water quality, and the darkness of the substrate.

Barbels:

Like other members of the Characidae family, Ember Tetras do not possess barbels.

Snout:

They have a short, rounded snout with a small, terminal mouth perfectly adapted for picking micro-invertebrates from the water column.

Eyes:

Their eyes are relatively large compared to their body size, often featuring a bright orange or reddish rim that matches their body coloration.

Fins:

The fins are mostly translucent but heavily tinted with the same fiery orange as the body. The dorsal fin stands tall, while the anal fin is elongated along the ventral line.

The Tail:

They feature a deeply forked caudal fin (tail), which is transparent with a reddish-orange wash, providing excellent propulsion.

Temper

Ember Tetras are exceptionally peaceful. They are timid by nature and lack any aggressive tendencies, making them perfect citizens for a community tank of similarly sized, gentle species.

Sociality

This is a strictly schooling species. To feel secure and display their best colors and natural behaviors, they must be kept in groups of at least 6 to 8 individuals, though larger schools of 15 or more are highly recommended and visually spectacular.

Activity

Active and inquisitive, they spend the majority of their time in the middle and lower levels of the aquarium. They will frequently dart in and out of plant cover, schooling tightly when startled and dispersing slightly when relaxed.

Keeping and Caring for Ember Tetra

Caring for Ember Tetras is relatively straightforward, provided their environmental needs are met. Their small size makes them sensitive to sudden fluctuations, so stability is key.

Tank size:

A minimum tank size of 10 gallons (approx. 40 liters) is recommended to accommodate a proper school and provide enough swimming space.

Water Parameters:

Replicating their natural blackwater habitat will yield the healthiest and most vibrant fish.

Temperature

Maintain the water temperature between 24-28°C (75-82°F).

pH

They thrive in slightly acidic water, with a pH range of 5.5 to 7.0 being ideal.

Hardness

Soft water is preferred, ideally between 1 and 10 dGH.

Ammonia, Nitrite, Nitrate

Ammonia and Nitrite must always be at 0 ppm. Nitrates should be kept as low as possible, ideally under 20 ppm, through regular maintenance.

Lighting

Dim to moderate lighting is best. If using bright lights for plant growth, ensure there is plenty of floating vegetation to provide shaded areas.

Water flow

A gentle water flow is preferred, as strong currents can easily exhaust these tiny fish.

Decorations and Plants

A heavily planted tank is highly recommended. Use dark substrate, driftwood, and botanical leaf litter (like Indian Almond leaves) to release beneficial tannins and mimic their native habitat.

Diet

Ember Tetras are naturally omnivorous micro-predators. In the aquarium, they will readily accept high-quality crushed flakes, micro-pellets, and freeze-dried foods. Supplementing their diet with live or frozen foods like baby brine shrimp, daphnia, and micro-worms will significantly enhance their coloration.

Some Feeding Tips

Because their mouths are so small, ensure all food is adequately crushed or ground down. Feed them small amounts 1 to 2 times a day—only what they can consume in a couple of minutes to prevent water fouling.

Breeding

Breeding Ember Tetras is possible in a dedicated setup. They are egg scatterers and exhibit no parental care. A breeding tank should have very soft, acidic water, dim lighting, and a substrate of fine-leaved plants (like Java Moss) or a spawning mop. Once the fish have spawned, the adults must be removed immediately to prevent them from eating the eggs. The fry will hatch in 24-36 hours and require infusoria or specialized liquid fry food until they are large enough for baby brine shrimp.

Conclusion

The Ember Tetra is a magnificent addition to the freshwater hobby. Their brilliant orange hue, peaceful demeanor, and hardiness make them an absolute joy to keep. Whether you are a beginner setting up your first nano tank or an experienced aquascaper looking for the perfect schooling fish to complement a lush green layout, the Ember Tetra is a choice you will not regret.

Fish info

Care level: Easy
Temperament: Peaceful
Adult size: 2 cm
Life expectancy: 2-4 years
Fish type: Tetra
Temperature : 24-28°C
pH: 5.5-7.0
Color Form: Orange, Red

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