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Blind Cave Bristlenose - (Ancistrus formoso)

Blind Cave Bristlenose - (Ancistrus formoso)

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Blind Cave Bristlenose - (Ancistrus formoso)
Fish Details, Description and Information Below:

🐟 Blind Cave Bristlenose – (Ancistrus formoso)

The Blind Cave Bristlenose is a fascinating albino cave-dwelling catfish native to underground rivers and caves. This unique pleco species lacks pigmentation and eyes, adapted to complete darkness. It is peaceful, hardy, and makes an interesting addition to specialized aquarium setups mimicking cave environments.


🌊 Habitat & Care

🏠 Tank Size: Minimum 20 gallons
🌊 Prefers soft, slightly acidic freshwater with low to moderate water flow
🪵 Provide dark caves, driftwood, and smooth surfaces for grazing


🍽️ Diet

🍤 Herbivorous/Omnivorous — feeds on algae, biofilm, and supplemented with sinking algae wafers and vegetables
🐟 Requires a diet rich in plant matter and occasional protein supplements


⚖️ Temperament

🐠 Peaceful and nocturnal
🚫 Best kept with other peaceful fish


🧠 Behavior & Special Considerations

🌡️ Temperature: 72–79°F (22–26°C)
💧 pH: 6.0–7.5
📏 Size: Up to 4 inches (10 cm)
⚠️ Sensitive to bright light; prefers dimly lit tanks
🌿 Thrives in well-established tanks with stable water parameters


📋 At a Glance

🔖 Scientific Name Ancistrus formoso
🐟 Common Name Blind Cave Bristlenose
🌎 Origin Cave systems
📏 Size Up to 4 inches (10 cm)
🌡️ Temperature 72–79°F (22–26°C)
💧 pH Range 6.0–7.5
🐟 Temperament Peaceful, nocturnal
🏠 Tank Size 20+ gallons
🍽️ Diet Herbivore/Omnivore

💡 The Blind Cave Bristlenose is a unique, peaceful species perfect for cave-style aquariums and aquarists interested in unusual fish.

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