Bubble Eye

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Bubble Eye Goldfish
Extra flotation devices.jpg
Country of origin
Bubble eye
Carassius auratus auratus
Breed standards

The Bubble Eye is a small variety of fancy goldfish with upward pointing eyes that are accompanied by two large fluid-filled sacs. It is a dorsal-less fish -- good specimens will have a clean back and eye bubbles that match in color and size. Their bubbles are quite delicate, so the fish should be kept separately from boisterous types, as well as sharp tank decor. Although the bubbles will regrow if punctured, injury could leave the fish prone to infections. The bubbles can disadvantage the fish as it is not a strong swimmer, with a seemingly low bobbing head at times, bubbles are infamous for being sucked into filters and siphons in an aquarium.[1][2]


Bubble eye goldfish seen from the top
Bubble eye goldfish in a hand.

The Bubble Eye normally has an evenly curved back that lacks a dorsal fin. The pair of large pouches of skin attached under its eyes jiggle as it swims.[1] Bubble Eyes have metallic scales and they are similar to the celestial eye goldfish.[3] The eyes of the Bubble Eye goldfish are normal in the young fry, but will start to develop eye bladders three months after hatching.[3] Like ranchu, the bubble eye goldfish lacks a dorsal fin and has a double tail. They normally grow up to 3 to 4 inches in length. If one of their "Bubbles" pop due to pressure or collision with a sharp object, there is a risk of infection where the inside of the sac has been exposed.[4]


A bubble eye goldfish
  1. ^ a b "Fancy Goldfish: A Complete Guide to Care and Collecting" by Dr. Erik L. Johnson, D.V.M. and Richard E. Hess, Weatherhill, Shambala Publications, Inc., 2006 - ISBN 0-8348-0448-4
  2. ^ Nutrafin Aquatic News: Goldfishes, Issue #4, 2004, Rolf C. Hagen (U.S.A,) Inc. and Rolf C. Hagen Corp.(Montreal, Canada)
  3. ^ a b "An Interpret Guide to Fancy Goldfish" by Dr. Chris Andrews, Interpret Publishing, 2002. - ISBN 1-902389-64-6
  4. ^ Free Information Keeping Bubble Eye Goldfish

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