


Species Profile
Rummynose Tetra
Hemigrammus rhodostomus
Tetraspeaceful
Adult size
2″
Minimum tank
20 gal
Temperature
75–82°F
pH
5.5–7
Schooling
Group of 6+
Water level
mid
Diet
Flake, micro pellets, frozen
Notes
Bright red head on a silver torpedo body with a striped tail. Schools tighter than almost any other tetra, making them a visual centerpiece. Sensitive water-quality bellwether; the red head fades fast when nitrate or pH drifts.
Compatible Tankmates
Best tank mates for Rummynose Tetra
Every species below passes the compatibility engine when paired with Rummynose Tetrain 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.

Harlequin Rasbora
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.

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

Male Betta
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.

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

German Blue Ram
ExcellentPeaceful pairing — temperament, water parameters, and size all line up.
Photo: User:Lerdsuwa / Wikimedia Commons · Source · CC-BY-SA-3.0