Definition from Wiktionary, the free dictionary
baitfish (plural baitfishes or baitfish)
- (fishing) Small fish such as minnows that are used as bait to catch larger predatory fish
2009 January 13, By Malcolm Holland, “Experts track record shark numbers off beaches”, Herald-Sun:
- He said increased baitfish numbers after an upwelling of nutrient-rich water three years ago had contributed to the increase in shark numbers.