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Poker glossary

Fish

What it means

A fish is a weak player who consistently makes unprofitable decisions at the poker table. These players typically call too often, chase draws without proper odds, and play too many hands from poor positions. While the term sounds derogatory, identifying fish is crucial for game selection and maximizing your win rate.

How it works at the table

Fish exhibit predictable patterns that make them easy to exploit. Consider this example: You raise to 3bb from the button with A♠ K♦, and a fish in the big blind calls with a 40bb stack. The flop comes Q♠ 7♣ 3♥. The fish check-calls your 4bb continuation bet. The turn brings the 2♦. They check-call another 8bb bet. The river is the 9♣. They check, you give up, and they show down J♦ 8♦ - they called two streets with just a backdoor straight draw. This calling pattern with weak holdings defines recreational play.

Strategic context

Fish are the primary source of profit in poker. They violate fundamental concepts like pot odds and position, creating massive edges for competent players. Games without fish become battles between regulars fighting over rake. The poker ecosystem depends on recreational players - they provide the liquidity that makes games profitable. Smart players protect fish from harassment and create enjoyable environments that keep them coming back.

Common mistakes

Players often abuse fish verbally after bad beats, driving them away from games. Another error is overbluffing against calling stations who won’t fold middle pair. Many regulars also fail to adjust their continuation bet sizing against fish who call the same frequency regardless of bet size - missing value by betting too small.

Understanding fish connects directly to game selection and table dynamics. Their presence affects everything from starting hand selection to bet sizing. Fish rarely understand concepts like fold equity or implied odds, making straightforward value betting the optimal approach. Recognizing fishy tendencies helps identify profitable spots and avoid fancy plays against opponents who won’t fold.