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.
S) shelter, M) focal fish, TR) trigger electrodes, TT) approximation of the spatial trigger threshold, G) gate, Dstart) dummy fish at start position, Dstop) dummy fish at end position, TL) target line defining the following-criterion, Exa-Exb) Electrode pairs. Figure not drawn to scale. Base area: 200 cm x 50 cm.
