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!
Ornate (also called "Harlequin") ghost pipefish (2 inches). This "head down" vertical position is actually a normal position for ghost pipefishes, since it allows them to look like a branch of coral or crinoid.