UMT MOOC: Ornamental Fish Culture - Topic 2: Biology of Ornamental Fish - Goldfish

Continue from previous post and the last series of topic 2 installment.

The Goldfish is one of the most common fishes kept as pet. There are so many species and varieties, which one should you pick? Personal recommendation is go for Shubunkins.

Goldfish Species
Ryukin. Key characteristic is a hump in the shoulder area (top).


Liaohead. Key characteristic is large hood or "wen" but without dorsal fins as compare to Oranda.


Oranda. Key characteristic is bubble-like hood called "wen" that needs trimming if needed.


Celestial Eye. Key characteristic is telescope eyes that turned upwards. I'm not sure we've seen this in any aquarium stores. I'm not sure why this deformation and popularized.



Shubunkin. Key characteristic is single-tailed and pattern known as "calico". Due to its similarity to Koi fish, people may mistaken it for Koi. If you like to keep Goldfish as pet, this species would be a better choice. At least, the species looks like a normal fish instead of mutated bloated fish.


Pompon. Key characteristic is it has nascal outgrowth, similar to Lionhead or Oranda. Unfortunately, we never see one before in any aquarium shops. Perhaps we miss it.


Bubble eye. Key characteristic is two large fluid-filled sacs. Similar eyes to Celestial Eye but with large sacs. We're wondering why this Goldfish ever been popular in the first place. For us, this is a worst deformation and such species shouldn't been breed in the first place.


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