You can catch carrot fish in the berry jungle on a sunny day, and you need to try several times. The detailed steps are as follows:

1. Enter Moore Manor and click on the map in the upper right corner, as shown in the following figure:

2, choose the berry jungle, as shown in the figure below:

3. After entering the berry jungle, find the location shown and start fishing, as shown in the following figure:

4. Try several times to get carrot fish, as shown in the following figure: