How to install addons:
- Download ES File Explorer
- Using ES File Explorer go to the Downloads folder on your device
- Find .mcpack or .mcworld files that you download earlier
- Click it to import into Minecraft Pocket Edition
- Open the game
- Create a new world or edit an existing world
- Scroll down into Add-ons section and select the ones you want to apply
Edited: 1.07.21
Reason: Dolphins, Fish, Cod are now hostile too.