Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Positive and negative most extreme relative warps (dashed lines) are compared with the consensus shape (solid lines) for relative warps one through six, with the left side of the fish pictured.
