The fishtail is classic for looking like a mermaid braid. The bubble fishtail braid looks even more like something from under water!
When doing the normal fishtail braid you simply take a section of hair and divide it into two. Giving parts of each section repeatedly creates the traditional fishtail braid. However, to do the bubble fishtail braid you’ll stop after 6 or 7 “trade-offs” and end it with an elastic to divide the braid and make it look like bubbles!
Here are the tools I used to create this look: