1. Different appearances: Jian carp and carp are different in appearance. Jian carp has a relatively large head and a relatively short body, while carp has a relatively small head and a long body proportion.
2. The growth characteristics are different: Jian carp fry grows faster, and after two years' growth, it can grow to a catty, while it takes three years for carp to reach the same weight. In addition, carp fry are more adaptable to water quality and temperature difference, and can adapt to different water environments.
3. Different feeding methods: Jian carp fry grow fast and need to be more cautious in feeding. Carp seedlings are not cold-tolerant, so it is necessary to prevent excessive sun exposure in summer, and at the same time, it is necessary to ensure the cleanliness and hygiene of water quality. In contrast, carp is relatively cold-resistant and has relatively low requirements for feeding conditions.