Bleeding Heart Tetra: A Comprehensive Care Guide (Hyphessobrycon erythrostigma)
The Bleeding Heart Tetra (Hyphessobrycon erythrostigma) is a beautiful and distinctive freshwater fish known for the bright red spot on its body that resembles a small “bleeding heart.” Native to South America, this species is admired for its elegant appearance, flowing fins, and peaceful temperament.
Bleeding Heart Tetras are slightly larger than many other tetra species and develop a graceful body shape with subtle silver coloration and reddish highlights. When kept in groups, they display natural schooling behavior and can become a striking focal point in planted community aquariums.
Although they require a bit more space than some smaller tetras, Bleeding Heart Tetras are generally hardy fish that adapt well to stable aquarium conditions.
Natural Habitat and Distribution
Bleeding Heart Tetras originate from South America, particularly within parts of the Amazon River basin in countries such as Peru and Brazil.
In the wild they inhabit:
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Slow-moving rivers and streams
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Flooded forest areas
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Tributaries with vegetation and leaf litter
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Calm waters with submerged roots and plants
These environments typically contain warm, soft, slightly acidic water.
Size
Adult size: approximately 2.5–3 inches (6–7.5 cm)
Bleeding Heart Tetras are larger than many tetra species and develop a taller body shape as they mature.
Tank Size
Minimum tank size: 30 gallons
Recommended tank size: 40 gallons or larger
Because of their size and active nature, Bleeding Heart Tetras benefit from aquariums with plenty of swimming space.
They should be kept in schools of at least 6 fish, though larger groups often produce more natural behavior.
Water Parameters
Bleeding Heart Tetras prefer stable water conditions similar to their natural habitat.
Temperature: 75–82°F
pH: 5.5–7.5
Hardness: soft to moderately soft
Maintaining good water quality and performing regular water changes will help keep these fish healthy.
Aquarium Setup
A planted aquarium works very well for Bleeding Heart Tetras.
Recommended tank features include:
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Live plants along the sides and back of the aquarium
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Driftwood or natural decorations
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Dim to moderate lighting
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Open swimming areas
Providing both plant cover and open swimming space helps them feel secure while allowing natural schooling behavior.
Diet
Bleeding Heart Tetras are omnivorous and generally easy to feed.
In the aquarium they will accept:
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High-quality flakes
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Small pellets
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Frozen foods such as bloodworms, brine shrimp, or daphnia
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Occasional live foods
A varied diet helps support healthy growth and vibrant coloration.
Behavior and Temperament
Bleeding Heart Tetras are peaceful schooling fish that spend most of their time swimming in the middle levels of the aquarium.
Typical behaviors include:
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Loose schooling with other members of the group
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Gentle interactions with tank mates
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Occasional displays between males
They are generally calm fish but may occasionally show mild territorial behavior during breeding periods.
Tank Mates
Because of their peaceful nature, Bleeding Heart Tetras work well with other community fish of similar size.
Good tank mates include:
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Corydoras
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Rasboras
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Other medium-sized tetras
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Dwarf cichlids
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Small rainbowfish
Avoid aggressive fish or species that may nip fins.
Breeding
Bleeding Heart Tetras are egg-scattering fish that can be bred in aquariums under the right conditions.
During spawning:
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Eggs are scattered among plants or spawning mops
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Adults do not guard the eggs
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Eggs typically hatch within 24–48 hours
Fry are extremely small and should initially be fed infusoria or powdered fry food before moving to baby brine shrimp.
Fun Facts
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The species name erythrostigma refers to the red “blood spot” marking on the fish’s body.
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Mature males often develop longer fins and deeper coloration than females.
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In large groups, Bleeding Heart Tetras can create a beautiful visual display as their red markings flash while the school moves.
Conclusion
The Bleeding Heart Tetra is a graceful and attractive fish that adds elegance to planted community aquariums. Their distinctive red marking, peaceful temperament, and schooling behavior make them a favorite among aquarists who enjoy classic South American tetra species. With proper care and stable water conditions, Bleeding Heart Tetras can thrive and become a beautiful addition to a freshwater aquarium.
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