The native Chinese Carassius subsspecies called ji (鯽魚), C. auratus auratus), is a different species from the European. But for most practical purposes, it is glossed as "crucian carp" in a typical Chniese-English dictionary, including wiktionary:鯽. For convenience, it will be denoted the "Chinese crucian".
Although the Chinese crucian can be raised as pets, it is also farmed and commonly used in Chinese cuisine. Despite being reputedly bony, the fish is easy to raise and relatively cheap, so are often deep fried as part of a worker's meal.
There are many extensive and luxurious preparations for this fish in Chinese cuisine.