Delicate Blue Eye Rainbowfish (Pseudomugil tenellus)

Pseudomugil tenellus (Delicate Blue-eye)

Pseudomugil tenellus is a charming and peaceful nano fish appreciated for its delicate appearance, shimmering blue eyes, and active schooling behavior. Native to northern Australia and southern New Guinea, this species is an excellent choice for planted aquariums, nano tanks, and community setups featuring other small, peaceful fish.

Although subtle in coloration compared to some Blue-eye species, Pseudomugil tenellus captivates aquarists with its elegant movement, translucent fins, and constant activity. When kept in groups, males display their finest colors and natural courtship behavior, bringing life and energy to the aquarium.

Key Features:

- Sparkling blue eyes and elegant body shape

- Peaceful schooling fish ideal for nano aquariums

- Active swimmer with fascinating display behavior

- Perfect for planted and nature-style tanks

- Suitable for both beginners and experienced aquarists

Care Level: Easy

Temperament: Peaceful

Adult Size: Up to 3–4 cm

Diet: Omnivore – accepts micro pellets, flakes, frozen foods, and live foods

Water Temperature: 22–28°C

pH: 6.0–7.5

With its graceful appearance, peaceful nature, and engaging behavior, Pseudomugil tenellus is a wonderful addition to any freshwater aquarium, especially for hobbyists who appreciate subtle beauty and natural elegance.