The following supplies will be needed to crochet this fish.
Embroidery thread in fuchsia, lime, orange, blue, purple, white, and black. You will need one skein of each color. Recommended Brands would be Iris, or DMC. But you can choose your favorite.
Crochet hook 1.65 MM
Yarn needle
Scissors

The following stitches are used in making this fish
Chain - ch
Slip Stitch - sl st
Single Crochet - sc
Double Crochet - dc
Front Post Double Crochet - fpdc
Triple Crochet - tr

Finished product size:
Height: 1 ¾ inch
Width: 2 ¼ inch