The fishermen caught sardines with a dragnet.
地引網 is a specific type of dragnet operated from the shore; 引き網 is a broader term.
Standard kanji spelling using 引く.
Abbreviated variant of 曳き網.
Variant using 曳く, also meaning 'to pull/trawl'.
Abbreviated variant of 引き網.
Compound of 引き (hiki, 'pulling', from 引く) and 網 (ami, 'net').