Install pyenv

$ brew update
$ brew install pyenv

Check available versions and install

$ pyenv install -l
$ pyenv install miniconda3-latest
$ cd /path/to
$ pyenv local miniconda3-latest

Create a conda environment

$ conda create -n foo anaconda

Activate the environment

$ source /usr/local/var/pyenv/versions/miniconda3-latest/envs/foo/bin/activate foo

Remove the environment

$ conda-env remove -n foo