Ruby-tinted barb
Dawkinsia rubrotincta
Also known as Rubrotincta filament barb, Red tinged barb
Care at a glance
- Temperature
- 70–79°F (21–26°C)
- pH
- 6.0–7.5
- Adult size
- 3.9 in (10 cm)
- Minimum tank
- 42 gal (160 L)
- Temperament
- Peaceful
- Social behavior
- Schooling
- Swim level
- Middle
- Difficulty
- Medium
- Breeding
- No record
- Rarity
- Rare
- Origin
- Kaveri basin, southern India
- Family
- Cyprinidae
Overview
The ruby-tinted barb is an active, peaceful filament barb that lives in shoals, so keep a group of six or more; in numbers the males display to one another and the group settles rather than chasing. It is a strong swimmer of the middle water and needs open length to cover, along with the company of other lively but gentle fish such as other barbs, larger rasboras, and peaceful catfish. It is a hearty eater and takes flake, pellets, and frozen foods readily, with some greens. Grown fish reach around 10 centimetres and swim hard, so length matters more than fancy planting. A tank of around 160 liters gives a small group real room to move.
In the wild
Dawkinsia rubrotincta is native to the Kaveri (Cauvery) river system of southern India, where it lives in clear, flowing rivers and hill streams over rock and gravel. A river-style tank with brisk current, a sand or gravel bed, water-worn stones, and some hardy plants suits it well. Keep it at 21 to 26 degrees Celsius with pH 6.0 to 7.5, and give a group the open swimming space its constant motion demands.
Good to know
Dawkinsia rubrotincta belongs to the carp family, Cyprinidae, and reaches about 10 centimetres. It was described by Jerdon in 1849 and placed in the genus Dawkinsia in 2012; the name rubrotincta means red-tinted, for the ruby wash that spreads through the fins and flank of mature fish. Like its filament-barb relatives, breeding males grow extended dorsal rays, but aquarium spawning is not on record.
Did you know
Despite looking like one of the recently described Western Ghats filament barbs, this fish has carried a scientific name since 1849, when Jerdon first recorded it from the Kaveri; only its modern genus, Dawkinsia, is new.
Tank mates
Ruby-tinted barb is a peaceful, schooling species that keeps to the middle. These picks match on water type, temperature, pH, size and temperament.

Arrow loach
Nemacheilus masyaeFreshwater6.3 in (16 cm)42 gal (160 L)72–81°F (22–27°C)Kerala garra
Garra surendranathaniiFreshwater5.9 in (15 cm)42 gal (160 L)68–79°F (20–26°C)
Slender horseface loach
Acantopsis ioaFreshwater6.3 in (16 cm)42 gal (160 L)72–81°F (22–27°C)
Assam giant danio
Devario assamensisFreshwater4.3 in (11 cm)42 gal (160 L)68–79°F (20–26°C)
Gangetic loach
Botia rostrataFreshwater4.7 in (12 cm)42 gal (160 L)66–81°F (19–27°C)Longstripe loach
Nemacheilus longistriatusFreshwater5.9 in (15 cm)42 gal (160 L)72–81°F (22–27°C)
Common questions
What size tank does a Ruby-tinted barb need?
A Ruby-tinted barb needs at least 42 gal (160 L). It spends most of its time in the middle.
What temperature and pH do Ruby-tinted barb need?
Ruby-tinted barb are comfortable at 70–79°F (21–26°C) with a pH of 6.0–7.5.
How big do Ruby-tinted barb get?
An adult Ruby-tinted barb reaches about 3.9 in (10 cm).
Do Ruby-tinted barb need a group?
Yes. Ruby-tinted barb are a schooling species and should be kept in a group, not singly.
Where to buy
Some links may not be the exact species or variety.
…or ask your local fish store.
Appears in
Freshwater fish · Barbs, danios & rasboras · Schooling fish · Community fish
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Related species

Arulius barb
Dawkinsia aruliusFreshwater3.9 in (10 cm)37 gal (140 L)66–77°F (19–25°C)
Rohan's barb
Dawkinsia rohaniFreshwater3.9 in (10 cm)42 gal (160 L)70–79°F (21–26°C)
Tambraparni barb
Dawkinsia tambraparnieiFreshwater3.9 in (10 cm)42 gal (160 L)70–79°F (21–26°C)
Apsara barb
Dawkinsia apsaraFreshwater3.5 in (9 cm)42 gal (160 L)70–79°F (21–26°C)
Exclamation barb
Dawkinsia exclamatioFreshwater3.5 in (9 cm)42 gal (160 L)70–79°F (21–26°C)
Mascara Barb
Dawkinsia assimilisFreshwater4.7 in (12 cm)53 gal (200 L)66–77°F (19–25°C)
