1, need special water quality and environment: coelacanths have high requirements for water quality and environment, to keep the water temperature suitable, water clarity, enough water flow and so on. It will be more difficult for some beginners in fish keeping.

2. Aggressive and territorial: The cochineal fish is an aggressive and territorial fish, cochineal fish will have aggressive behavior towards other fish, especially during the breeding period. This makes it difficult for coelacanths to ****survive*** with other fish.

3. Difficulty in reproduction: the coelacanth is more difficult to reproduce, and it is important to provide the right environment and conditions for reproduction. It is a challenge for some fish enthusiasts.