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.
(A) Frequency of throat-scraping behaviour of the four throat-marked fish during periods E2, E3, E4, and E5. (B) Schematic sequence of posturing, throat-scraping behaviour, and then posturing again in positions that reflect the throat. Underlying data for this figure can be found in S1 Data.
