One player at your table limps almost every hand, calls three streets with bottom pair, and then shows it down with a smile. Everyone else at the table is quietly thinking the same word. Fish.

A fish in poker is a weak player who gives away money over time, but you should know that this is just rude slang and never refer to players like this.

These players are the reason most games are profitable, and playing well against them matters more to your win rate than almost anything else.

But the label alone doesn’t make you a cent. Fish lose money in different ways, and each one needs a different adjustment. This guide covers what a fish is, how to spot one quickly, and how to beat them in Texas Hold’em.

What Is a Fish in Poker?

A fish is a player who makes big, repeated strategic mistakes and loses money in the long run. Most are recreational players who play for fun and don’t study, so they often overvalue weak poker hands and chase draws at bad prices.

A whale is a fish with a lot of money who plays high and loses big. A shark is the opposite, a strong player who makes money from fish.

The word is a bit rude, so keep it in your head and out of the conversation at the table. More on that below.

How to Spot a Fish in a Few Orbits

You don’t need a HUD to find the weak players. Watch these signs:

• They play a lot of hands. They limp, call raises and see flops with hands strong players fold. If you play online, a high VPIP is the clearest signal.
• They show down weak hands. Bottom pair after calling three bets, or a draw they chased at the wrong price.
• They play fast and distracted. Phone out, chatting, ordering drinks, acting instantly without thinking.
• They rarely fold once they’re in. Or, for some, they almost never stop betting.

One hand isn’t enough. Strong players make odd plays on purpose sometimes. Look for patterns over a few orbits.

The Three Main Types of Fish and How to Beat Each

Every fish is a little different. The question to ask is always the same. What exactly does this player do wrong, and how do you make money from it?

The Calling Station

This is the most common fish. They call too much, rarely raise and almost never bluff.

Against them, stop bluffing and bet bigger for value. Middle pair and even weaker hands become value bets, because they’ll call with worse. When they suddenly raise, believe them.

We have a full guide on how to beat calling stations, because they’re worth a page of their own.

The Maniac

The maniac raises, re-raises and bets constantly, often with nothing. They’re scary to play against, and that fear is exactly how they win.

There’s no single answer, because maniacs are different too. Against one who blasts every street with junk, call more in position with hands that make strong pairs and draws, and let them keep betting. Against a truly wild one who puts his chips in over and over, tighten up a little and wait for decent hands, then let him pay you. Against a thoughtful aggressive player who expects you to fold, fight back with re-raises.

The common mistake is folding too much. Don’t let them bluff you off decent hands.

The Straightforward Recreational Player

Some weak players are simple. They bet when they have something, check when they don’t, and only raise with very strong hands.

Against them, value bet all three streets with your good hands, because they fold their junk, call with worse hands. and only raise when they have you beat. When they raise, especially on the river, fold more often than you think, because they rarely raise as a bluff.

How to Adjust Before the Flop Against Fish

Most of your profit against weak players comes after the flop, so the preflop goal is to get into pots with them, ideally heads-up and in position.

• Isolate them. When a fish limps, raise with a solid range to get heads-up. Make it big enough that the players behind fold.
• 3-bet more for value. Against a fish who opens too wide, 3-bet a strong, value-heavy range rather than flatting and letting others in.
• Use your position. Try to sit to the left of the loose players, so you act after them on every street. Table position is worth even more against players who make many mistakes.
• Respect the big opens. If a recreational player usually opens small but suddenly raises big, give them credit for a strong hand.

Hand Example: Calling Down an Aggressive Whale

It’s a $3,000 tournament, six-handed, in the money. You open ace-jack offsuit under the gun, and an aggressive recreational player calls in the big blind. He’s been playing almost every hand and betting a lot.

The flop is Q-3-3 with two hearts, and you have the jack of hearts. He checks.

Check back. Against this player, betting and getting check-raised with random hands is the disaster. Checking keeps his bluffs in and makes the hand easy to play.

The turn is the 7♥, giving you a flush draw. He bets and you call. The river is a blank and he bets again, about a third of your stack.

Call. His value hands are queens or better. Against everything else he can have, ace-high is good, and you only need to be right less than one time in three. He mucks.

The lesson from this one is simple. Aggressive fish win by making people fold, so you don’t need a set to catch them. Middle pair and sometimes ace-high are enough.

Table Manners: Don’t Tap the Glass

Fish are the reason the game exists. Treat them well.

Don’t call anyone a fish, don’t lecture them about how they played a hand, and don’t sigh when they hit a two-outer against you. A happy recreational player stays in the game and comes back next week. One who feels judged leaves.

In my experience, the players who lose the most against fish aren’t the unlucky ones. They’re the ones who get irritated when a fish wins a big pot, and their play gets worse for the next hour, which costs more than the pot did.

Variance is the price of playing against weak players, so take the beat, stay calm, and keep playing well. Our guide to poker tilt can help with that part.

Conclusion

The most important thing is to figure out how a weak player loses money, not just that they do. Bet for value against callers, call down more against bluffers, and give the straightforward ones credit when they raise.

Get into pots with them in position, keep them happy, and let your edge show up over hundreds of hands.

Once you can read a table this way, game selection gets easier too, because you’ll know in a few orbits which seat is worth taking.