Hippocampus

For Under the Sea Challenge, level 2

I hope this is ok for the challenge. It's not a mermaid but I did use all of the required stocks. I was just a bit interpretive.

Stocks:
Mermaid Tail (required): [link]
Background (required): [link]
Fish (required): [link]
Horse: [link]
Plants: [link]
Fin: [link]