These players typically do not understand the fundamental strategies and tactics of poker, which makes them easier targets for more skilled opponents. Fish are often characterized by their willingness to play a large number of hands without considering their odds, leading to losses over time. In poker terminology, the term is used to denote players who lack skill and are likely to donate their chips to better players.
Fish Example
For example, a novice player might call a large bet with a weak hand, hoping to hit a lucky card, which experienced players would recognize as a poor decision.