American Flagfish

🔥 American Flagfish (Jordanella floridae)

Add bold pattern and natural algae control to your aquarium with the striking American Flagfish. Named for its red, white, and blue markings that resemble the American flag, this unique species is both eye-catching and practical.

With its shimmering green body, red spotting, and subtle vertical striping, the American Flagfish stands out as a hardy and characterful addition to community and species aquariums.

🌿 Why Choose American Flagfish?

🇺🇸 Distinctive red, white, and blue flag-like pattern
🐠 Hardy and adaptable freshwater fish
🌿 Known for helping control algae growth
✨ Unique shimmering green and red colouration
⭐ Unusual and practical species in the UK hobby

When settled, American Flagfish display active, curious behaviour and often graze on algae and surfaces throughout the aquarium.

📏 Care Requirements

🧬 Scientific Name: Jordanella floridae
📛 Common Name: American Flagfish
🏠 Tank Size: 60L+ recommended
🌡️ Temperature: 20–26°C
⚗️ pH Range: 6.5–8.0
🧘 Temperament: Semi-aggressive (especially males)
🍽️ Diet: Algae, flakes, pellets, vegetable matter, frozen & live foods
👥 Group Size: Pair or small group (with care)

American Flagfish thrive in well-planted aquariums with good water quality and some algae growth to graze on. They appreciate a mix of open swimming space and cover.

🐠 Compatibility

Best suited to carefully selected community aquariums. They can be territorial, especially males, so choose tank mates such as robust tetras, rasboras, or bottom dwellers like Corydoras. Avoid slow-moving or long-finned fish, as fin-nipping may occur.

Important Notes

American Flagfish are one of the few aquarium fish known for eating certain types of algae, including hair algae. Males can be territorial, so tank setup and stocking should be planned carefully. A balanced diet including plant matter is important for their health.

The American Flagfish is a great choice for UK aquarists looking for a hardy, visually unique fish that combines bold colour with useful algae-grazing behaviour.