The Best Rare Fish for a Coldwater Aquarium Black Comet Goldfish

I had to get a few new fish for my Aquarium. i found these Rare all black goldfish at my pet shop. i had to buy them as they looked great. All black rare comet common goldfish. Will they stay Black? Some of my Kit Edits Canon 5dMKII Canon EF 70-200mm f/2.8L IS Canon EF100mm f/2.8 Macro USM Lens Canon EF 50mm - f/1.4 USM Follow me on TWITTER: http://www.twitter.com/MiBandit INSTAGRAM: http://instagram.com/MiBandit This channel is part of TrustedCreators - https://trustedcreators.org/mibandit/ TrustedCreators Ltd - support my channel to allow all my online content to be impartial and honest. Business Inquiries: Please DO NOT get in touch to ask me to review your items for money or in exchange for products I buy my own Items and give real impartial reviews on this channel.