


Species Profile
Black Ruby Barb
Pethia nigrofasciata
Barbspeaceful
Adult size
2.5″
Minimum tank
30 gal
Temperature
72–79°F
pH
6–7.5
Schooling
Group of 6+
Water level
mid
Diet
Flake, pellets, frozen
Notes
Males flush deep ruby red along the entire body when displaying, females stay olive. Less nippy than most barbs, works in community tanks with similarly-paced tankmates. Group of 6+ to encourage male color.
Compatible Tankmates
Best tank mates for Black Ruby Barb
Every species below passes the compatibility engine when paired with Black Ruby Barbin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.

Neon Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Cardinal Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Rummynose Tetra
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Harlequin Rasbora
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Zebra Danio
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Fancy Guppy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Endler's Livebearer
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Platy
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Molly
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Swordtail
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Dwarf Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.

Honey Gourami
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: Photo by and (c)2004 Derek Ramsey (Ram-Man) / Wikimedia Commons · Source · CC-BY-SA-2.5