Why Do Some Goldfish Have Bubble Eyes?

The bubble-eye variety of aquarium goldfish is characterized as having a large sac filled with fluid (sac fluid) under each eye. These sacs are believed to contain lymph, which is similar in composition to serum or blood plasma . How do you take care of a Bubble Eye goldfish? To care for your Bubble Eye … Read more

Why Do Goldfish Have Bubble Eyes?

The bubble-eye variety of aquarium goldfish is characterized as having a large sac filled with fluid (sac fluid) under each eye. These sacs are believed to contain lymph, which is similar in composition to serum or blood plasma. What happens if a bubble eye pops? Like ranchu, the bubble eye goldfish lacks a dorsal fin … Read more