Spotted Blue-Eye

Spotted Blue-Eye (Pseudomugil gertrudae) Aru II

Also known as Gertrude's Blue-Eye

A tiny and delightful blue-eye rainbowfish from northern Australia, southern New Guinea, and the Aru Islands. Named after Mrs Gertrude Merton, who accompanied her husband on expeditions to the Aru Archipelago.

Key Features

• Maximum Size: 3.8 cm / ~1.5 inches SL.
• Appearance: Transparent to pale silver body with black spots or lines on the rear half, yellow fins with black markings, and bright blue eyes.
• Fin Details: Dorsal spines 4–6, dorsal soft rays 6–8; anal spines 1, anal soft rays 9–12.

Aquarium Care

• Tank Size: Minimum 20 gallons for a small school (nano tank friendly).
• Water Parameters: Tropical freshwater; 77–86°F (25–30°C), pH 6.0–8.0, soft to moderate hardness.
• Diet: Omnivorous — micro foods, flakes, frozen.
• Behavior: Peaceful, active schooling fish perfect for planted nano setups.

IUCN Status Least Concern (LC)

Add tiny size, spotted pattern, and blue eyes in honor of Gertrude Merton with the beautiful Spotted Blue-Eye!