According to the Fish and Wildlife Service, a goldfish released into the wild ... Goldfish originated from China during the Tang dynasty when a gold color mutation was observed in silver carp.

We describe here the development of a 12-color FISH assay for telomeric rearrangements ... Figure 2: Color classification (goldFISH) analysis of the telomeric signals in metaphases from patient ...

It won grand champion at the All Japan Koi Show in 2017, and is the most expensive koi fish ever sold. Koi may just look like an oversized goldfish, but they're not even remotely related.