Common Name: Glass Catfish (also known as Ghost Catfish)
Scientific Name: Kryptopterus vitreolus
Genus: Kryptopterus
Wild Origin: Southeast Asia, primarily found in slow-moving rivers and streams of Thailand and Indonesia
The Glass Catfish is a fascinating freshwater fish known for its completely transparent body, which makes its internal organs and bones visible, creating an ethereal, almost ghost-like appearance. This transparency, combined with their peaceful schooling nature, makes Glass Catfish a favorite among aquarists. These fish are typically around 4-5 inches (10-12 cm) in length and are best known for their gentle demeanor and mesmerizing appearance as they swim gracefully in schools. Glass Catfish can live up to 5-8 years in captivity with proper care.
Habitat and Tank Requirements:
In the wild, Glass Catfish inhabit slow-moving, clear water bodies with dense vegetation and low light. To replicate these conditions in an aquarium, it’s important to provide a calm environment with plenty of open swimming space and soft, clean water.
Tank Size and Water Parameters:
| PARAMETER | RECOMMENDED |
|---|---|
| Tank Size | Minimum 60 litres |
| Temperature | 72-80°F (22-27°C) |
| pH | 6.0-7.0 |
| Hardness | Soft to moderately hard water, 2-15 dGH |
Glass Catfish thrive in well-maintained tanks with stable water conditions and soft, slightly acidic to neutral water. Since they are sensitive to sudden changes in water quality, regular water changes and careful monitoring of water parameters are essential. A soft substrate such as sand or fine gravel is ideal, along with plenty of plants and driftwood to provide hiding spots and a sense of security.
These fish require low to moderate lighting, as bright light can stress them. Floating plants are a great addition to help diffuse the light and create shaded areas, mimicking their natural habitat.

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