Description
American Flagfish – Jordanella floridae
The American Flagfish (Jordanella floridae) is a striking native species known for its unique pattern resembling the American flag. This colorful killifish is hardy, adaptable, and an excellent addition to planted aquariums. Its algae-eating capabilities make it a favorite among aquarists seeking functional beauty in their tanks.
Introduction
- Common Names: American Flagfish, Florida Flagfish
- Scientific Name: Jordanella floridae
- Size: 2–2.5 inches (5–6.5 cm)
- Lifespan: 2–3 years
The American Flagfish is prized for its vibrant colors and algae-control abilities, making it ideal for both beginners and seasoned aquarists.
1. Natural Habitat and Behavior
- Habitat: Native to Florida, it inhabits slow-moving waters such as marshes, ditches, and ponds with dense vegetation.
- Behavior: Semi-aggressive and territorial, especially during breeding. Males display bright colors and defend territories, while females are more subdued. They are active swimmers and graze on algae throughout the tank.
2. Aquarium Setup
- Tank Size: A minimum of 15 gallons (57 liters) for a pair; larger tanks are recommended for groups.
- Substrate: Sand or fine gravel, with plenty of plants to replicate their natural environment.
- Decor: Include live plants (e.g., Vallisneria, Hornwort, Java Moss), driftwood, and rocks to provide hiding spots and grazing surfaces.
- Water Conditions:
- Temperature: 65–80°F (18–27°C)
- pH: 6.5–8.0
- Hardness: 10–20 dGH
- Lighting: Moderate lighting supports plant growth and enhances their colors.
3. Diet and Feeding
- Diet: Omnivorous, with a preference for algae and plant matter.
- Vegetables: Blanched spinach, zucchini, and algae wafers.
- Proteins: Frozen or live foods like brine shrimp, daphnia, and bloodworms.
- Dry Foods: High-quality flakes or pellets.
- Feeding Schedule: Feed 1–2 times daily, ensuring they have access to algae or plant-based options regularly.
4. Compatibility with Other Fish
- Tankmates: Suitable companions include peaceful fish that can tolerate similar water conditions:
- Livebearers (e.g., Mollies, Platies)
- Non-aggressive Tetras (e.g., Black Skirt Tetras)
- Bottom dwellers (e.g., Corydoras or small Plecos)
- Avoid: Slow-moving or long-finned species like Betta fish, as the Flagfish may nip fins.
5. Common Challenges and Tips
- Territorial Behavior: Provide plenty of hiding spots and space to reduce aggression, especially during breeding.
- Algae Overload: While they eat algae, do not rely solely on them for algae control; balance with manual cleaning and proper lighting.
- Breeding: They are egg-layers and will spawn readily in tanks with dense vegetation. Remove adults after spawning to prevent them from eating the eggs.
Conclusion
The American Flagfish (Jordanella floridae) is a hardy and visually stunning addition to aquariums. Its bold patterns, algae-eating habits, and manageable care make it a versatile choice for aquarists seeking both aesthetics and function. With proper care and a suitable environment, these fish will thrive and become a centerpiece of your aquatic display.
