What are the characteristics of the Mangrove forests?

The characteristics of the Mangrove forests are:

1. Mangrove vegetation is characterized by breathing roots or pneumatophores which act as respiratory organs.
2. Its stilt like roots remain submerged under water but can be seen at low tide.
3. These forests are very dense.
4. They have profuse growth with tangle of climbers, which is an adaptation for survival in soft and shifting mud.