Denison Barb
Sahyadria denisonii
Family: Cyprinidae • Origin: South Asia
Denison Barbs (Roseline Sharks) are stunning torpedo-shaped fish with a bold red and black stripe. Fast swimmers that need space.
Min Tank
55 gal
Max Size
6"
Temperature
60-77°F
pH
6.5-7.8
Lifespan
8 years
School Size
6+
Swim Level
middle
Hardness
5-20 dGH
peacefulintermediateomnivoreschooling
Care Tips
- • Needs 55+ gallon with strong current
- • Fast swimmer — needs open space
- • Keep in groups of 6+
- • Tolerates cooler water
- • One of the most beautiful barb species
Feeding: Pellets, frozen foods, flakes, blanched vegetables.
Compatibility Notes: Peaceful but fast and large. Needs a big tank with strong current. Beautiful torpedo shape.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 55 gallons
- Recommended Tank Size
- 75 gallons
- Swimming Level
- middle
- Minimum School Size
- 6+ fish
Water Parameters
- Temperature
- 60–77°F
- pH Range
- 6.5–7.8
- Hardness (dGH)
- 5–20
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- peaceful
- Aggression Level
- 1/5
- Schooling
- Yes
- Territorial
- No
- Fin Nipper
- No
- Predatory
- No
- Diet Type
- omnivore
- Growth Rate
- moderate
Peaceful but fast and large. Needs a big tank with strong current. Beautiful torpedo shape.
Breeding
- Breeding Type
- egg layer
- Breeding Difficulty
- very difficult
- Lifespan
- 8 years
Ideal For
55 gallonlarge communitycool water tank
Compatible Tank Mates
View all →
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"
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"
Congo Tetra
Phenacogrammus interruptus
75-81°FpH 6-7.530+ gal
peacefulschooling 6+3.5"
Similar Species
Filament Barb
Dawkinsia filamentosa
72-79°FpH 6-740+ gal
peacefulschooling 6+6"
Scissortail Rasbora
Rasbora trilineata
72-79°FpH 6-7.540+ gal
peacefulschooling 6+6"
Silver Dollar
Metynnis argenteus
75-82°FpH 6-7.555+ gal
peacefulschooling 5+6"
Five Banded Barb
Desmopuntius pentazona
72-82°FpH 5.5-710+ gal
peacefulschooling 6+2"