What Do Goldfish Eat? A Practical Diet Guide
Goldfish are opportunistic omnivores with a long gut. The right pellets, greens, and portion control prevent the classic bloating problems.
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Coldwater Fish Species Overview
Not every fish wants 78°F — unheated rooms suit goldfish, minnows, and hillstream specialists with the right setup.
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Swim Bladder Disorders
A fish stuck at the surface or on the substrate often has swim bladder distress — diet and water quality fix many cases.
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Black Moor Goldfish (Carassius auratus)
A velvet-black telescope-eyed fancy goldfish that needs soft décor, gentle tank mates, and cool, clean water.
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Oranda Goldfish (Carassius auratus)
A fancy goldfish with a distinctive raspberry-like hood — calm, coldwater-friendly, and happiest in spacious, well-filtered aquariums.
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