Hemigrammus bleheri (Golden Redhead Tetra)

28 July 2026

541

Hailing from the blackwater rivers of South America, the Golden Redhead Tetra is a striking variant of the classic Rummy-nose Tetra. Renowned for its brilliant ruby-red facial coloration and shimmering golden body, this peaceful schooling fish adds vibrant energy and captivating beauty to any well-planted community aquarium.

Hemigrammus bleheri (Golden Redhead Tetra)

Overview

The Golden Redhead Tetra, a stunning color variant of the beloved Hemigrammus bleheri (often known as the Rummy-nose Tetra), is a prized addition to the freshwater aquarium hobby. Known for their tight schooling behavior and striking contrast of colors, these tetras serve as excellent indicator fish, as their bright red facial coloration will quickly fade if water parameters decline.

Image of golden redhead tetra hemigrammus bleheri

Distribution and Habitat

In the wild, Hemigrammus bleheri is native to the middle and lower Amazon basin, particularly the Rio Negro and Rio Meta in South America. They thrive in blackwater environments characterized by soft, acidic water stained with tannins from decaying organic matter, such as fallen leaves, branches, and submerged tree roots.

Description of Golden Redhead Tetra

Body shape:

They possess a streamlined, torpedo-shaped body that is built for active swimming and navigating river currents.

Color:

The "golden" variant features a slightly translucent, shimmering gold-to-silver body. The most defining characteristic is the brilliant, deep red coloration covering the entire head and extending slightly past the gills.

Barbels:

This species does not possess barbels.

Snout:

The snout is short and blunt, fully encompassed by the vibrant red mask.

Eyes:

The eyes are relatively large and prominent, often featuring a red hue on the upper iris that blends seamlessly with the head coloration.

Fins:

The dorsal, pectoral, pelvic, and anal fins are mostly transparent and delicate.

The Tail:

The caudal fin (tail) features striking, highly contrasting horizontal stripes of black and white, which act as a visual guide to help the school stay together in murky waters.

Temper

They possess a highly peaceful temperament, making them ideal, unobtrusive residents for community aquariums.

Sociality

This is a strictly schooling species. They are highly social and must be kept in groups of at least 6 to 10 individuals to feel secure, reduce stress, and display their best colors and natural behaviors.

Activity

Golden Redhead Tetras are very active swimmers that will constantly patrol the middle levels of the aquarium in a tight, synchronized group.

Keeping and Caring for Golden Redhead Tetra

Tank size:

A minimum tank size of 20 gallons (75 liters) is recommended to provide ample swimming space for a proper school.

Water Parameters:

Temperature

They prefer warm tropical waters ranging from 24-28°C (75-82°F).

pH

Maintain an acidic to neutral pH between 5.5 and 7.0.

Hardness

Soft water is essential, ideally kept between 2 and 8 dGH.

Ammonia, Nitrite, Nitrate

Ammonia and Nitrite must always be at 0 ppm. Nitrates should be kept as low as possible, ideally below 20 ppm, as they are notoriously sensitive to poor water quality.

Lighting

Dim to moderate lighting is preferred to mimic their shaded, forest-canopy natural habitat.

Water flow

A gentle to moderate water flow is ideal, providing some current without exhausting the fish.

Decorations and Plants

A dark substrate, driftwood, and dried leaf litter (like Indian Almond leaves) will perfectly recreate their blackwater habitat. Dense planting along the background and sides will offer hiding spots while leaving open swimming space in the center.

Diet

They are omnivores and will readily accept high-quality dry flakes, micro-pellets, and live or frozen foods such as daphnia, baby brine shrimp, and bloodworms.

Some Feeding Tips

Feed them small amounts 1 to 2 times a day, only giving what they can consume within a couple of minutes. Ensure the food size is small enough to fit their modest mouths.

Breeding

Breeding is considered difficult as it requires very specific water conditions (extremely soft and acidic water) and a dim, quiet environment. They are egg scatterers that provide no parental care. A separate breeding tank with fine-leaved plants or a spawning mop is necessary, and parents should be removed immediately after spawning to prevent egg predation.

Conclusion

The Golden Redhead Tetra is a mesmerizing and active fish that brings a splash of color and synchronized movement to any soft-water community tank. While they require a bit more attention to water quality than some beginner fish, their striking appearance and peaceful nature make them incredibly rewarding for dedicated aquarists.

Fish info

Care level: Moderate
Temperament: Peaceful
Adult size: 4-5 cm
Life expectancy: 3-5 years
Fish type: Tetra
Temperature : 24-28°C
pH: 5.5-7.0
Color Form: Black, Clear, Gold, Red, White

Related on Fishs

Leave your comments

Latest on Fishs

Dwarf Gourami Red (Trichogaster lalius)

Easy - Moderate

Asian labyrinth fish

The red dwarf gourami is a selectively bred color form of the dwarf gourami, a small labyrinth fish formerly widely known as Colisa lalia. It is suited to mature, planted community aquariums with gentle water movement and calm tank mates. Males can be territorial, especially when kept with females in confined conditions, so cover, visual barriers, and careful observation are important for a pair.
Cockatoo Cichlid Red (Apistogramma cacatuoides)

Moderate

South American dwarf cichlid

The Cockatoo Cichlid is a small South American dwarf cichlid valued for its personality, breeding behavior and colorful finnage. Apistogramma cacatuoides is generally adaptable when provided with clean, stable water, cover and a soft substrate. Males are larger and more vividly marked than females, while pairs become territorial around spawning sites. The supplied “red” designation most likely refers to a selectively bred color form; exact strain and sex confirmation cannot be established from the listing alone.
Discus (Symphysodon aequifasciatus) Care Guide

Difficult

South American freshwater cichlid

Symphysodon aequifasciatus is a large, laterally compressed cichlid from the Amazon Basin, valued for its calm behavior and striking disc-shaped body. It requires warm, clean, stable water and careful feeding, making it better suited to experienced aquarists. The supplied images show yellow, orange, red, white and dark color forms; cultivated strains can vary considerably, so exact variety identification from images alone is uncertain. Discus are social fish and generally thrive in groups rather than as isolated specimens.
Cape Lopez Killifish (Aphyosemion australe)

Moderate

West African non-annual killifish

The Cape Lopez killifish is a small, peaceful West African freshwater fish prized for its patterned body, flowing fins and manageable size. It inhabits slow-moving and temporary waters around coastal Gabon, including the Cape Lopez region. The supplied trade description identifies a pair as “Cape Lopez splendid carpets,” but this wording may describe a commercial strain rather than a formally recognized taxon. The image appears to show an orange form, so exact strain identification should be confirmed with the breeder or supplier.
Burton’s Mouthbrooder (Astatotilapia burtoni)

Moderate

East African haplochromine cichlid

Burton’s mouthbrooder, Astatotilapia burtoni, is a moderately aggressive East African haplochromine cichlid known for strong social hierarchies and maternal mouthbrooding. Males become more vividly patterned and defend territories, while females are generally less colorful and carry eggs and fry in the mouth. A pair requires a spacious, well-filtered aquarium with rocky cover, alkaline water and carefully selected tank mates. The supplied identification is consistent with Astatotilapia burtoni, although sex and locality form cannot be confirmed from the photographs alone.
Cyrtocara moorii (Blue Dolphin Cichlid) Care Guide

Moderate

Lake Malawi haplochromine cichlid

Cyrtocara moorii is a large, distinctive haplochromine cichlid from Lake Malawi, recognised for its blue adult coloration and rounded forehead, which becomes more pronounced with age. It is a maternal mouthbrooder and is generally less aggressive than many Malawi mbuna, but its size and territorial breeding behaviour require a spacious aquarium. The supplied images appear consistent with blue C. moorii, although photographs cannot confirm sex, locality, or whether the fish form a true bonded pair.
Blue Dwarf Gourami Pair (Trichogaster lalius)

Easy - Moderate

Peaceful labyrinth fish

The blue dwarf gourami is a selectively colored form of a small labyrinth fish native to the Indian subcontinent. It spends much of its time in the upper and middle aquarium, using its specialized labyrinth organ to breathe atmospheric air. Males can become territorial, especially when nesting, so a planted aquarium with calm tank mates, gentle flow, and surface cover is important. The supplied name uses Trichopodus lalius; Trichogaster lalius is the commonly used current combination.
Blue Acara (Aequidens pulcher)

Moderate

South American freshwater cichlid

The supplied label identifies these fish as Blue Acara, Aequidens pulcher, a South American freshwater cichlid often placed in the genus Andinoacara in current aquarium literature. The photograph is consistent with a blue acara, although a definitive identification cannot be confirmed from one image alone. This pair requires a spacious aquarium, stable water quality, hiding places and careful observation during breeding, when territorial behavior becomes stronger.
Julidochromis transcriptus: Black-and-White Slender Cichlid

Moderate

Lake Tanganyika rock-dwelling cichlid

Julidochromis transcriptus is a small rock-dwelling cichlid from Lake Tanganyika, recognized by its compact, elongated body and irregular black-and-white pattern. It is a territorial cave dweller that is best kept as an established pair in a carefully structured aquarium. The supplied fish are identified as a DNZ pair, although sex, collection locality, and precise geographic form cannot be verified from the supplied material alone.
Azur Cichlid (Sciaenochromis fryeri) Care Guide

Moderate

Lake Malawi haplochromine cichlid

The Azur cichlid is commonly sold as Sciaenochromis fryeri, a predatory haplochromine cichlid from Lake Malawi. Mature males develop vivid electric-blue coloration, while females and juveniles are generally less intensely colored. This fish is moderately aggressive and needs a spacious aquarium with rocky structure, alkaline, mineral-rich water, and carefully selected tank mates. The supplied source describes a DNZ pair, but sex and exact locality cannot be confirmed from the images alone. Identification confidence is therefore good but not absolute.
Marble Angelfish (Pterophyllum scalare)

Moderate

South American freshwater cichlid

The marble angelfish is a captive-bred color form of Pterophyllum scalare, a tall-bodied South American cichlid valued for its elegant fins and distinctive irregular black patterning. It needs a mature, spacious aquarium with excellent water quality, warm water and suitable tank mates. Although generally manageable, adults establish territories and may become assertive when pairing or spawning. The supplied source identifies two marble angelfish; exact lineage and strain details cannot be confirmed from the available information.
Gold Angelfish, Pterophyllum scalare

Moderate

Freshwater South American cichlid

The Gold Angelfish is an ornamental colour form of Pterophyllum scalare, a tall-bodied South American cichlid valued for its graceful movement and parental care. It needs a mature, spacious aquarium with substantial vertical clearance, stable warm water and carefully chosen tank mates. The supplied source identifies two fish as Gold Angelfish, although the accompanying images show several angelfish colour and fin forms, so the exact appearance of the supplied specimens cannot be confirmed from the images alone.
Zebra Angelfish (Pterophyllum scalare)

Moderate

South American freshwater cichlid

The Zebra Angelfish is a selectively bred form of Pterophyllum scalare, recognised by a silvery body with several dark vertical bars and the tall, laterally compressed shape typical of freshwater angelfish. The supplied images also show other angelfish colour forms, so the exact appearance of the listed pair cannot be confirmed from the image set alone. This South American cichlid is generally manageable for experienced community keepers, but its size, territorial breeding behaviour and need for a tall aquarium should be planned for carefully.
Black Angelfish (Pterophyllum scalare)

Moderate

South American freshwater cichlid

The supplied record identifies two black angelfish, most likely a domestic color form of Pterophyllum scalare. The photographs show several angelfish color patterns, so they should not be treated as proof that every pictured fish is black or that all belong to the same strain. Black angelfish retain the tall, laterally compressed body and extended fins typical of freshwater angelfish. They need a tall, mature aquarium, stable warm water, a varied diet, and carefully selected tank mates.
White Marble Angelfish (Pterophyllum scalare)

Moderate

Freshwater cichlid

The white marble angelfish is a selectively bred aquarium color form of Pterophyllum scalare, a tall-bodied South American cichlid valued for its elegant fins and distinctive irregular dark marbling. It is generally peaceful when young but can become territorial, especially when paired for spawning. Successful care depends on a tall aquarium, excellent water quality, suitable tank mates, and a varied carnivorous-omnivorous diet. The exact genetic strain shown cannot be confirmed from photographs alone.
Freshwater Angelfish Mix (Pterophyllum scalare)

Moderate

Freshwater cichlid

Freshwater angelfish are tall-bodied South American cichlids valued for their graceful movement and wide range of captive color forms. The supplied source identifies a mixed group as Pterophyllum scalare; the photographs show several forms, including striped, black, orange, white, silver and blue-toned fish. They are manageable for experienced beginners, but their adult height, territorial breeding behavior and tendency to eat small tank mates require thoughtful aquarium planning.