More Mobs, Monsters Minecraft PE Mods

JurassicCraft Pack is a mod that will add in MCPE over 11 different dinosaurs. They are divided into carnivores and herbivores, and also you will meet some underwater dinosaurs.
Update for 1.14.x versions

This addon will add more than 10 new fish some of which are edible and some can poison the player but give some magical effects. Vanilla fishing will become more useful and thus you will be able to save time to find ingredients for potions.

If you like One Piece in the Cartoon TV, maybe this addon can make you happy to playing Minecraft PE in survival mode.
With this Addon you can add more entities like characters from the One Piece.

This mod will add a huge number of new characters from "Justice League Evolve" marvel movies. They have their own super suit and super powers.

The addon will add a new hostile flying mob - meet the hawk. There are two variations of this bird and each has its own behavior.

This adventure mod will generate a new sweet biome in which all mobs and blocks are made of sweets in the form of cakes and cupcakes.

Elemental Creepers mod is adds in the world of Minecraft Pocket Edition a 16 additional various types of Creeper. Every one of the new Creeper will have a brand new look and most of them have their own unique protection mechanisms.

PVZ Plants is now in Minecraft. Use new fighting plants to defend their territory from the bloodthirsty monsters.

This adventure addon tells about the fall of the army of Angels and now minecraft PE has a lot of small surviving clans in all biomes in which you can join to fight against the army of darkness and close the two dark portal.

This is one of the biggest creatures mod for Minecraft PE. Mod contains more than 100 unique animals from the real world. There are representatives of all classes: insects, reptiles, vertebrates, birds, etc.