A seine is a special kind of net used to harvest fish from a pond. This video describes the parts of a seine and shows how it is used to harvest catfish from a pond.
A couple here in the US are Memphis Net and Twine www.memphisnet.net/?gclid=Cj0KCQiAubmPBhCyARIsAJWNpiMIYaz_56_ZxLPp3DIxv6PvAhoUlKB4S1d2gYyWOaZPrmTLKMbbSGEaAlCdEALw_wcB Champlin Net Co issuu.com/champlinnetcompany/docs/2020_champlin_net_catalog