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Gold fantail thyroid tumor?

April 26, 2017fantail gold Thyroid tumor

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Gold fantail thyroid tumor?

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Hello crew, I have a one-eyed gold fantail named Polyphemos, about 5 inches long from nose to the end of his tail. A few months ago I bought a 5 gallon Regent acrylic tank for him (up from his old 2.5 gallon) with a built-in filtration system and bio-wheel. After reading the FAQs, I realize he should have twice that much space, but I have nowhere to put a 10 gal. tank until I move out of this apartment. Having lost several goldfish in years past due to poor water quality, I’ve been diligent about changing Pol’s water – 20-30% weekly. I had a friend feed Pol over Christmas break. He seemed fine when I got back, although there was a lot of algae build-up, and his dorsal fin and tail had changed to black – I chalked this up to the dark algae-covered environment. I scraped some of the algae off the tank, did a partial water chang