Here's the rigged tail, ready to be animated.
|Added Clusters from the vertex of the curve for better control|
|Clusters, Joints and IK Handles|
|Individual controls of each joints|
|The expression of each rotation channel was edited to ensure that the joint before controls the current joint|
|Added different values to each rotation channel so that the tail movement won't be stiff|
|Final Outliner look after all the set up and grouping|