Red Head Tapajos Eartheater (Geophagus pyrocephalus)

The Red Head Tapajos Eartheater is one of the most colorful and desirable South American cichlids available in the aquarium hobby. Famous for its brilliant red-orange head, metallic blue-green body highlights, and graceful finnage, this species is a stunning centerpiece fish for large community aquariums. Its peaceful temperament and fascinating sand-sifting behavior make it a favorite among Geophagus enthusiasts and aquascapers alike.

What We Like About This Fish

• Striking red-orange head coloration
• Beautiful metallic blue and green body highlights
• Peaceful compared to many cichlid species
• Fascinating earth-eating feeding behavior
• Excellent centerpiece fish for large aquariums
• Active, social, and full of personality

Recommended Tank Parameters

• Tank Size: Minimum 90 gallons (340 liters)
• Temperature: 26–30°C (78.8–86°F)
• pH Level: 4.0–7.0
• KH: 2–7 dKH
• Substrate: Fine sand required
• Water Flow: Moderate
• Filtration: Strong filtration recommended

Clean, stable water conditions are essential for maintaining the health and coloration of this species.

Care Guidelines

• Diet: Omnivorous; accepts high-quality pellets, flakes, frozen foods, live foods, and vegetable-based foods
• Social Behavior: Gregarious; best kept in groups of 5–8 or more
• Origin: South America – Rio Tapajos Basin, Brazil
• Average Adult Size: 15–20 cm (6–8 inches)
• Average Purchase Size: 5-8 cm (2–3 inches)
• Shrimp Safe: No; may prey on shrimp and other small invertebrates

Natural Habitat and Behavior

The Red Head Tapajos Eartheater inhabits sandy river systems in Brazil, where it spends much of its time searching for food by scooping up mouthfuls of sand and filtering out edible particles through its gills. This distinctive feeding behavior is characteristic of the Geophagus genus and is fascinating to observe in the aquarium.

When maintained in groups, these fish display natural social interactions and often develop even more intense coloration as they mature.

Aquascaping and Aquarium Setup

A sandy-bottom aquarium is essential for this species.

Recommended Substrate

• Fine river sand
• Silica sand
• Soft aquarium sand

Avoid coarse gravel, as it can damage the fish’s mouth and gills while feeding.

Recommended Hardscape

• Large driftwood pieces
• Smooth rocks
• Root structures
• Clay caves
• Open sandy areas for feeding

Suitable Plants

Because of their digging habits, hardy plants are recommended:

• Anubias
• Java Fern
• Bucephalandra
• Bolbitis

These plants should be attached to wood or rocks rather than planted directly into the substrate.

Tank Mates and Compatibility

The Red Head Tapajos Eartheater is a peaceful cichlid that works well with many South American species, including:

• Angelfish
• Severums
• Discus
• Larger Tetras
• Corydoras Catfish
• Plecos
• Peaceful Geophagus species

They generally ignore similarly sized fish and only become territorial during spawning.

Why Keep Red Head Tapajos Eartheaters?

The Red Head Tapajos Eartheater combines vibrant coloration, peaceful behavior, and fascinating natural habits into one remarkable fish. Its brilliant red head, active sand-sifting behavior, and compatibility with many community species make it one of the finest South American cichlids for large display aquariums. A healthy group of adult specimens creates an impressive and constantly active centerpiece that few other fish can rival.