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๐ Buenos Aires Tetra Care Sheet
๐น Overview
| Category | Details |
|---|---|
| Scientific Name | Hyphessobrycon anisitsi |
| Common Name | Buenos Aires Tetra |
| Origin | South America (Paranรก River, Rio de la Plata basin) |
| Adult Size | 6โ7 cm (2.4โ2.8 in) |
| Lifespan | 5โ8 years |
| Temperament | Semi-aggressive, active schooling fish |
| Tank Level | Mid-level |
๐น Tank Setup
| Parameter | Ideal Range |
|---|---|
| Tank Size | 100+ liters (25+ gallons) for a small school |
| Temperature | 22โ28 ยฐC (72โ82 ยฐF) |
| pH | 6.5โ8.0 |
| Hardness | 5โ18 dGH |
| Substrate | Sand or fine gravel |
| Decor | Plants (fast-growing or sturdy), driftwood, open swimming areas |
| Lighting | Moderate |
| Filtration | Moderate to strong; tetras are active and produce waste |
Tips:
-
Keep in groups of 6 or more to reduce fin-nipping behavior.
-
Provide sturdy plants or artificial decorations, as they may nip delicate leaves.
-
Open swimming space encourages healthy activity.
๐น Diet
-
Type: Omnivorous
-
Best Foods: Flakes, micro-pellets, frozen/live foods (bloodworms, brine shrimp), vegetable matter.
-
Feeding Frequency: 1โ2 times daily; avoid overfeeding.
๐น Behavior & Compatibility
-
Active and fast swimmers; may nip fins of slow-moving or long-finned fish.
-
Best in a community tank with robust, fast-moving species.
-
Males are slightly more colorful and streamlined.
๐งญ Tank Mate Guide
โ Compatible Species
-
Fast, peaceful tetras
-
Danios
-
Rainbowfish
-
Corydoras catfish
โ ๏ธ Avoid or Use Caution With
-
Long-finned, slow-moving fish (e.g., angelfish, bettas)
-
Very small or delicate fish
-
Aggressive species that compete for food
๐ฃ Breeding Info
-
Spawning Method: Egg scatterers; use fine-leaved plants or spawning mops.
-
Parental Care: None; adults may eat eggs.
-
Fry Care: Feed infusoria or liquid fry food first, then baby brine shrimp.
๐ฟ Fun Facts
-
Named after Buenos Aires, Argentina, though native to nearby rivers in South America.
-
Hardy and active fish; popular in large community aquariums.
-
Known for its metallic silver body with bright red fins, especially in males.

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Description
๐ Buenos Aires Tetra Care Sheet
๐น Overview
| Category | Details |
|---|---|
| Scientific Name | Hyphessobrycon anisitsi |
| Common Name | Buenos Aires Tetra |
| Origin | South America (Paranรก River, Rio de la Plata basin) |
| Adult Size | 6โ7 cm (2.4โ2.8 in) |
| Lifespan | 5โ8 years |
| Temperament | Semi-aggressive, active schooling fish |
| Tank Level | Mid-level |
๐น Tank Setup
| Parameter | Ideal Range |
|---|---|
| Tank Size | 100+ liters (25+ gallons) for a small school |
| Temperature | 22โ28 ยฐC (72โ82 ยฐF) |
| pH | 6.5โ8.0 |
| Hardness | 5โ18 dGH |
| Substrate | Sand or fine gravel |
| Decor | Plants (fast-growing or sturdy), driftwood, open swimming areas |
| Lighting | Moderate |
| Filtration | Moderate to strong; tetras are active and produce waste |
Tips:
-
Keep in groups of 6 or more to reduce fin-nipping behavior.
-
Provide sturdy plants or artificial decorations, as they may nip delicate leaves.
-
Open swimming space encourages healthy activity.
๐น Diet
-
Type: Omnivorous
-
Best Foods: Flakes, micro-pellets, frozen/live foods (bloodworms, brine shrimp), vegetable matter.
-
Feeding Frequency: 1โ2 times daily; avoid overfeeding.
๐น Behavior & Compatibility
-
Active and fast swimmers; may nip fins of slow-moving or long-finned fish.
-
Best in a community tank with robust, fast-moving species.
-
Males are slightly more colorful and streamlined.
๐งญ Tank Mate Guide
โ Compatible Species
-
Fast, peaceful tetras
-
Danios
-
Rainbowfish
-
Corydoras catfish
โ ๏ธ Avoid or Use Caution With
-
Long-finned, slow-moving fish (e.g., angelfish, bettas)
-
Very small or delicate fish
-
Aggressive species that compete for food
๐ฃ Breeding Info
-
Spawning Method: Egg scatterers; use fine-leaved plants or spawning mops.
-
Parental Care: None; adults may eat eggs.
-
Fry Care: Feed infusoria or liquid fry food first, then baby brine shrimp.
๐ฟ Fun Facts
-
Named after Buenos Aires, Argentina, though native to nearby rivers in South America.
-
Hardy and active fish; popular in large community aquariums.
-
Known for its metallic silver body with bright red fins, especially in males.













