


Species Profile
Florida Flagfish
Jordanella floridae
Algae Eaterssemi-aggressive
Adult size
2.5″
Minimum tank
20 gal
Temperature
65–79°F
pH
6.5–8
Schooling
Solitary OK
Water level
mid
Diet
Algae, blanched veggies, flake, frozen
Notes
Native North American killifish that genuinely eats hair algae and even some black-beard algae. Males can be territorial; keep a 1 male to 2 female ratio. Tolerates cooler water (68-78°F).
Compatible Tankmates
Best tank mates for Florida Flagfish
Every species below passes the compatibility engine when paired with Florida Flagfishin 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: Unknown / Wikimedia Commons · Source · Public domain