
Buenos Aires Tetra
Hyphessobrycon anisitsi
Family: Characidae • Origin: South America
Buenos Aires Tetras are incredibly hardy, tolerating temperatures from 64-82°F. But they eat live plants and can nip fins.
Min Tank
20 gal
Max Size
3"
Temperature
64-82°F
pH
6-8
Lifespan
6 years
School Size
6+
Swim Level
middle
Hardness
5-25 dGH
semi-aggressivebeginneromnivoreschoolingfin-nipper ⚠️
Care Tips
- • WILL eat live plants
- • Tolerates very wide temperature range
- • Can nip slow-moving fish
- • Extremely hardy
- • Not for planted tanks
Feeding: Flakes, pellets, vegetables — will eat live plants!
Compatibility Notes: Hardy but will eat live plants and nip fins. Not for planted tanks. Tolerate cool water.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 20 gallons
- Recommended Tank Size
- 30 gallons
- Swimming Level
- middle
- Minimum School Size
- 6+ fish
Water Parameters
- Temperature
- 64–82°F
- pH Range
- 6–8
- Hardness (dGH)
- 5–25
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- semi-aggressive
- Aggression Level
- 2/5
- Schooling
- Yes
- Territorial
- No
- Fin Nipper
- Yes ⚠️
- Predatory
- No
- Diet Type
- omnivore
- Growth Rate
- fast
Hardy but will eat live plants and nip fins. Not for planted tanks. Tolerate cool water.
Breeding
- Breeding Type
- egg layer
- Breeding Difficulty
- easy
- Lifespan
- 6 years
Ideal For
20 gallonunplanted tankbeginners
Compatible Tank Mates
View all →Neon Tetra
Paracheirodon innesi
70-81°FpH 6-710+ gal
peacefulschooling 6+1.5"
Cardinal Tetra
Paracheirodon axelrodi
73-81°FpH 4.5-6.510+ gal
peacefulschooling 6+2"
Ember Tetra
Hyphessobrycon amandae
73-84°FpH 5.5-75+ gal
peacefulschooling 8+0.8"
Rummy Nose Tetra
Hemigrammus rhodostomus
75-84°FpH 5.5-720+ gal
peacefulschooling 6+2.5"
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
73-81°FpH 5.5-7.510+ gal
peacefulschooling 6+1.6"

Serpae Tetra
Hyphessobrycon eques
72-82°FpH 6-7.520+ gal
semi-aggressiveschooling 6+1.75"
Similar Species

Serpae Tetra
Hyphessobrycon eques
72-82°FpH 6-7.520+ gal
semi-aggressiveschooling 6+1.75"
Colombian Tetra
Hyphessobrycon columbianus
72-82°FpH 6-7.510+ gal
semi-aggressiveschooling 6+2.5"
Columbian Red Fin Tetra
Hyphessobrycon columbianus
72-82°FpH 6-7.510+ gal
semi-aggressiveschooling 6+2.5"
Black Skirt Tetra
Gymnocorymbus ternetzi
70-82°FpH 6-7.515+ gal
peacefulschooling 5+3"