Scales are a hard, cold covering, so tradition reads scaly skin as emotional armour or a feeling of distance from others. Through the snake and fish it is also tied to change and renewal.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.