Red Tail Shark
Epalzeorhynchos bicolor
Family: Cyprinidae • Origin: Various
Red Tail Shark (Epalzeorhynchos bicolor) is a semi-aggressive barb reaching 6 inches. Can be kept singly. Minimum tank size: 40 gallons.
Min Tank
40 gal
Max Size
6"
Temperature
72-79°F
pH
6.5-7.5
Lifespan
9 years
School Size
Solo OK
Swim Level
bottom
Hardness
5-15 dGH
semi-aggressiveintermediateomnivore
Care Tips
- • Max size: 6 inches
- • Temperature: 72-79°F
- • pH: 6.5-7.5
- • Can be kept alone or in pairs
- • semi-aggressive temperament — choose tankmates carefully
Feeding: Standard omnivore diet. Accepts foods appropriate for Cyprinidae species.
Compatibility Notes: Typical semi-aggressive Cyprinidae species.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 40 gallons
- Recommended Tank Size
- 60 gallons
- Swimming Level
- bottom
Water Parameters
- Temperature
- 72–79°F
- pH Range
- 6.5–7.5
- Hardness (dGH)
- 5–15
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- semi-aggressive
- Aggression Level
- 3/5
- Schooling
- No
- Territorial
- Yes
- Fin Nipper
- No
- Predatory
- No
- Diet Type
- omnivore
- Growth Rate
- moderate
Typical semi-aggressive Cyprinidae species.
Breeding
- Breeding Type
- egg layer
- Breeding Difficulty
- moderate
- Lifespan
- 9 years
Ideal For
40 gallon
Compatible Tank Mates
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Neon Tetra
Paracheirodon innesi
70-81°FpH 6-710+ gal
peacefulschooling 6+1.5"
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"
Black Skirt Tetra
Gymnocorymbus ternetzi
70-82°FpH 6-7.515+ gal
peacefulschooling 5+3"
Similar Species
Flying Fox
Epalzeorhynchos kalopterus
72-79°FpH 6-7.540+ gal
semi-aggressive6"
Spanner Barb
Barbodes lateristriga
72-82°FpH 6-740+ gal
semi-aggressiveschooling 5+7"
Yoyo Loach
Botia almorhae
75-82°FpH 6.5-7.530+ gal
semi-aggressiveschooling 4+6"
Filament Barb
Dawkinsia filamentosa
72-79°FpH 6-740+ gal
peacefulschooling 6+6"