white suckerfish
... that the white suckerfish responds to a touch on its belly by forcefully erecting its pelvic fins?
... that the <b id="mwCxQ"><a href="./White_suckerfish" id="mwCxU" rel="mw:WikiLink" title="White suckerfish">white suckerfish</a></b> responds to a touch on its belly by forcefully erecting its pelvic fins?