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Midwest Aquarium and Pond Supplier LLC
(86) Gertrude's Blue Eye
(86) Gertrude's Blue Eye
Regular price
$15.00 USD
Regular price
Sale price
$15.00 USD
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Gertrude's Blue Eye, scientifically known as Pseudomugil gertrudae and also called the Spotted Blue-Eye Rainbowfish, is a tiny, peaceful nano fish admired for its striking blue eyes and spotted fins. They are a great choice for planted community aquariums and are relatively easy to care for if their need for clean water and small food items is met.
Tank Requirements
- Tank Size: A minimum of a 10-gallon long aquarium is recommended, though a 15-20 gallon is better for a group. They are active swimmers and benefit from horizontal space.
- Decor: They thrive in densely planted tanks with plenty of cover from live plants (e.g., Java Moss, Anubias), driftwood, and leaf litter. This mimics their natural habitat of shallow, heavily vegetated swamps and streams. Floating plants are appreciated as they prefer subdued lighting.
- Filtration: A good filter with gentle flow is best, as they prefer calmer waters. Excellent water quality is essential, and the tank should be fully cycled before adding fish.
- Maintenance: Regular, small water changes (e.g., 25% weekly) are key to maintaining low nitrate levels and overall water quality. A secure lid is necessary because they are known to jump.
Water Parameters
Pseudomugil gertrudae are surprisingly adaptable to a range of water parameters, but stability is important.
| Parameter | Range |
|---|---|
| Temperature | 72–82°F (22–28°C) |
| pH | 4.5–7.5 |
| Hardness (GH/KH) | Soft to hard (5–15 dGH is a good range) |
Diet and Feeding
These fish have small mouths and can be timid eaters, so care must be taken to ensure they get enough food when housed with bolder tank mates.
- Staple: High-quality micro-pellets or crushed flake foods.
- Supplement: A varied diet of small live or frozen meaty foods is highly recommended for optimal health and color. Options include baby brine shrimp, daphnia, cyclops, and microworms.
- Feeding frequency: Feed small portions several times a day.
Behavior and Tank Mates
- Temperament: A peaceful, social, schooling fish that should be kept in a group of at least 6 to 10 individuals to reduce stress and encourage natural behavior. Males will display their elaborate fins and vibrant colors when competing for female attention.
- Tank Mates: They are excellent for community tanks with other small, peaceful species like celestial pearl danios, chili rasboras, and pygmy corydoras. They are also generally safe with adult dwarf shrimp and other non-aggressive invertebrates. Avoid large or aggressive fish that may outcompete them for food or stress them.
Lifespan
Gertrude's Blue Eye has a relatively short lifespan of approximately 1.5 to 3 years, with a maximum of 5 years with exceptional care
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