Ghost pipefishes are masters of camouflage. This robust ghost pipefish (3 inches) looks just like a branch of the sea grass he lives in.
A pair of robust ghost pipefishes (3-4 inches long) that look like brown leaves.
Ornate (also called "Harlequin") ghost pipefish like this one (3 inches) tend to live in corals or crinoids that are "frilly" and their ornate appearance allows them to blend right in!