Black Ruby Barb (Pethia nigrofasciata)

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Black Ruby Barb

Black Ruby Barb.jpg
Black Ruby Barb

Pethia nigrofasciata

57 Litres (15 US G.)

5.1-6.4cm (2-2.5 ")




6.0 - 7.0

22.2-26.1°C (72 -79 °F)

6-10 °d

1:3 M:F

Pellet Foods
Flake Foods
Live Foods

3-5 years



This animal is available captive bred

Additional names

Ruby Barb, Black Ruby Barb, Purple-Headed Barb, Purplehead Barb.

Additional scientific names

Barbus nigrofasciatus, Puntius nigrofasciatus


The black Ruby Barb comes from forest streams in Sri Lanka.


Males have deeper colours.

Tank compatibility[edit]

A good community fish and not a fin-nipper like its cousin the Tiger Barb, especially if it is kept in a shoal. Keep these fish in groups of at least 6 or more, with more females than males.


Omnivorous, will take most aquarium foods and live foods. May also nibble on live plants. Occasional feeding of bloodworms are welcomed.

Feeding regime[edit]

Feed once or twice a day.

Environment specifics[edit]

A spacious tank with plenty of open swimming space. Provide them a good amount of lateral swimming room. They also like to have tall plants for cover. A darker substrate will showcase their colours very well.


Shoaling, will keep themselves to themselves. The males will display to the females when courting.


Typical high-backed Barb shape. Dark blue/black in colour with a rich crimson-coloured head. The female's colours are more muted with dark vertical bars visible.


External links[edit]