Metaphors referring to fish

false clue that misleads or distracts attention away from a relevant or important question

parable of Jesus: “the kingdom of heaven is like unto a net, that was cast into the sea, and gathered of every kind: Which, when it was full, they drew to shore, and sat down, and gathered the good into vessels, but cast the bad away.” (Mt 13:47–48)

person who offered loans with extremely high interest rates, often with strict terms of collection

English idiom