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Black Top Mouse Catfish - (Hassar orestis) For Sale Online
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Black Top Mouse Catfish - (Hassar orestis)

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Black Top Mouse Catfish - (Hassar orestis)
Fish Details, Description and Information Below:

🐟 Black Top Mouse Catfish – (Hassar orestis)

The Black Top Mouse Catfish is a distinctive freshwater catfish native to South America. It features a robust body with a dark, almost black top and a rounded snout resembling a mouse, giving it its common name. Known for its peaceful temperament, it is a great addition to community tanks that can accommodate its size and nocturnal habits.


🌊 Habitat & Care

🏠 Tank Size: Minimum 55 gallons
🌊 Prefers soft to moderately hard freshwater with gentle flow
🪵 Provide caves, driftwood, and dense plants for hiding


🍽️ Diet

🍤 Omnivorous — accepts sinking pellets, live and frozen foods, and vegetable matter
🐟 Benefits from a varied diet to ensure good health


⚖️ Temperament

🐠 Peaceful and nocturnal
🚫 Best kept with other peaceful, similarly sized fish


🧠 Behavior & Special Considerations

🌡️ Temperature: 75–82°F (24–28°C)
💧 pH: 6.0–7.5
📏 Size: Up to 8 inches (20 cm)
⚠️ Requires secure tank lids due to nocturnal activity and escape tendencies
🌿 Prefers dimly lit tanks with plenty of hiding spots


📋 At a Glance

🔖 Scientific Name Hassar orestis
🐟 Common Name Black Top Mouse Catfish
🌎 Origin South America
📏 Size Up to 8 inches (20 cm)
🌡️ Temperature 75–82°F (24–28°C)
💧 pH Range 6.0–7.5
🐟 Temperament Peaceful, nocturnal
🏠 Tank Size 55+ gallons
🍽️ Diet Omnivore

💡 The Black Top Mouse Catfish is a peaceful nocturnal species, ideal for community tanks with ample hiding places and calm tankmates.

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