Least Killifish 1-2cm

Least Killifish – The Tiny, Colorful Gem for Your Aquarium
(Heterandria formosa)

The Least Killifish (Heterandria formosa) is a captivating, tiny fish that packs a big punch of color and charm! Known for being one of the smallest livebearers, this petite species is a perfect choice for nano aquariums or aquascapes. With their bright coloration and peaceful nature, they bring a lot of personality to even the most compact setups.

Key Features:

• Tiny Yet Beautiful: At only 1-1.5 inches long, the Least Killifish is one of the smallest freshwater fish available. Despite their size, they are known for their vibrant, shimmering appearance, often exhibiting hues of gold, silver, and subtle iridescent blues.

• Peaceful & Social: These fish are gentle and peaceful, making them ideal for community tanks. They thrive in groups and display a calm, natural behavior, often interacting with each other in small schools.

• Livebearer: As a livebearer, the Least Killifish gives birth to fully formed, miniature fish rather than laying eggs. This trait makes them an interesting species to observe, especially during their breeding period.

• Ideal for Nano Tanks: With their small size and calm nature, they are perfect for nano tanks and small aquascapes. Their playful behavior and bright colors add life to any small tank environment.

Tank Compatibility:

• Freshwater Aquariums

• Nano Tanks & Species Tanks

• Tankmates: Best kept with other small, peaceful fish, such as small tetras, rasboras, and shrimp. Avoid larger, more aggressive species that might intimidate or harm them.

Care Requirements:

• Temperature: 70°F–80°F

• pH: 6.5–7.5

• Soft to moderately hard water

• Provide plenty of live plants, rocks, and hiding places to help them feel secure and comfortable.

• A well-planted tank will encourage natural behaviors and breeding.

Feeding Tips:

• As omnivores, Least Killifish will eat a variety of foods, including high-quality flakes, micro-pellets, and small live or frozen foods like brine shrimp and daphnia.

• A varied diet will help maintain their vibrant color and overall health.

Why Choose the Least Killifish?
The Least Killifish (Heterandria formosa) is a charming and vibrant addition to any aquarium. Their tiny size, peaceful nature, and interesting live-bearing reproduction make them an intriguing species to keep. Whether you have a nano tank or a community setup, these colorful gems are sure to add a touch of personality and grace to your aquascape.