American Flagfish (Jordanella floridae)

The American Flagfish (Jordanella floridae) is a striking freshwater species admired for its vibrant coloration, which resembles the pattern of the American flag. Native to Florida and parts of the southeastern United States, this hardy killifish is a popular choice among aquarists for its unique appearance and beneficial grazing habits, particularly in controlling algae.

Appearance & Behavior:
Males display vivid green, red, and blue hues with a pattern reminiscent of stars and stripes, while females exhibit a more subdued coloration. Active and generally peaceful, they thrive in community tanks when kept with compatible species.

Care Guide:

• Tank Size: Minimum 75 litres for a small group

• Water Parameters: Temperature 20–28°C; pH 6.5–8.0; moderate hardness

• Diet: Omnivorous; accepts high-quality flakes, pellets, frozen foods, and benefits from vegetable matter and algae

• Temperament: Peaceful to semi-aggressive; best kept with similarly sized, non-fin-nipping tank mates

• Aquascaping: Provide planted areas, open swimming space, and hiding spots to reduce territorial behavior

The American Flagfish is an excellent choice for aquarists seeking a colorful, hardy species that also contributes to algae control. With proper care and suitable tank conditions, it can thrive and display its full beauty in the aquarium.