{"product_id":"comet-goldfish-carassius-auratus-freshwater","title":"Comet Goldfish (Carassius auratus)","description":"\u003cdiv style=\"background:#E3F2FD;border-left:4px solid #1E88E5;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e Your order is reserved, we hold off on bagging until you arrive so it stays healthy in its display tank.\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eComet Goldfish (\u003cem\u003eCarassius auratus\u003c\/em\u003e)\u003c\/strong\u003e is the classic long-finned, single-tailed goldfish, a fast and hardy swimmer that brings bright orange color to ponds and large coldwater aquariums. Comets are tough, inexpensive, and endlessly entertaining, but they grow big and produce a lot of waste, so they need plenty of space and strong filtration rather than a bowl. Sold at roughly 3 to 4 inches. Browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fish\"\u003efreshwater fish\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eCare Guide\u003c\/h3\u003e\u003cul style=\"margin:4px 0 0;padding-left:20px;line-height:1.5;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eGive them space:\u003c\/strong\u003e Comets reach 8 to 12 inches and are built to swim. Plan on a stocked pond or a 40 gallon-plus tank with room to grow, adding volume for each additional fish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong filtration:\u003c\/strong\u003e They are messy eaters. Over-filter and keep up with water changes to control the ammonia and nitrate they generate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColdwater fish:\u003c\/strong\u003e They thrive at room temperature and do not need a heater. Avoid housing them with tropical community fish that need warmer water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Feed a quality sinking goldfish pellet plus blanched veggies and occasional treats. Avoid overfeeding floating flakes, which can contribute to swim-bladder issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;margin:4px 0 0;font-size:0.95em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eCommon Name\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eComet Goldfish, Comet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eScientific Name\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cem\u003eCarassius auratus\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eDomesticated (China)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eCare Level\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eBeginner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eTemperament\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003ePeaceful\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eAdult Size\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e8 to 12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eMinimum Tank Size\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e40 gallons or pond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eTemperature\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e50 to 75F (coldwater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003epH\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e6.5 to 8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eDiet\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eOmnivore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;background:#E3F2FD;padding:6px 10px;font-weight:600;width:42%;\"\u003eSold As\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e3 to 4 in each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eComets are peaceful but big, fast, and cold-preferring, so they belong with their own kind rather than small tropical fish. House them with other single-tailed goldfish, Koi, and Shubunkins in ponds and large tanks. Avoid mixing them with slow fancy goldfish (which cannot compete at feeding time) or small tropicals like tetras.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eRecommended Foods \u0026amp; Supplies\u003c\/h3\u003e\u003cul style=\"margin:4px 0 0;padding-left:20px;line-height:1.5;\"\u003e\n\u003cli\u003eQuality sinking goldfish or pond pellets as a daily staple\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/malaysian-driftwood-freshwater-aquascaping-hardwood\"\u003eHardscape and decor\u003c\/a\u003e for a naturalistic pond or tank\u003c\/li\u003e\n\u003cli\u003eRobust filtration and regular water changes to handle their waste\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fish\"\u003efreshwater fish\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan a Comet live in a bowl or small tank?\u003c\/strong\u003e\u003cbr\u003eNo. Comets grow large and are strong swimmers that quickly outgrow small setups. A pond or large aquarium with good filtration keeps them healthy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they need a heater?\u003c\/strong\u003e\u003cbr\u003eNo. Comets are coldwater fish and do best at room temperature or in an outdoor pond.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they get along with my tropical community fish?\u003c\/strong\u003e\u003cbr\u003eNot ideally. Their size, speed, and preference for cooler water make them a poor match for small warm-water community fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow big do they really get?\u003c\/strong\u003e\u003cbr\u003eIn enough space a Comet can reach 8 to 12 inches, so plan for their adult size from the start.\u003c\/p\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"Default Title","offer_id":48975401844955,"sku":null,"price":6.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/GoldfishComet.png?v=1785060858","url":"https:\/\/squeakysaquatics.com\/products\/comet-goldfish-carassius-auratus-freshwater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}