Can fish eat prawns?

In this brief guide, We will address the query, “can fish eat prawns?” We will also discuss ways to feed prawns to fish, their nutritional benefits, and any potential drawbacks.

Can fish eat prawns?

Yes, fish can eat prawns, but you should be sure the conditions are right before feeding them to your fish.Feeding unclean and unhygienic prawns can make your fish sick.

Fish love to eat prawns, and they make a good fish feed. Ensure the prawns you are feeding your fish are fresh and in good condition.

Fish that prefer to eat near the bottom of the ocean depend heavily on crustaceans as their primary food source. Prawns are a portion of good food for fish that like to eat meat because they contain a lot of proteins.

Prawns are a significant part of the marine food chain and get eaten by many fish. Their consumption keeps the food chain in balance.

How do you feed prawns to fish?

Prawns sold at seafood markets and online are assumed to be clean and fresh, but this is not always the case. When purchasing prawns, check their quality and ensure they are free of any potential infections before feeding them to your fish.

  • The very first thing you should do before feeding your fish prawns is to clean them again and isolate them in the refrigerator for a few days before feeding them.
  • Cleaning the prawn can be difficult,but feeding it without cleaning can make your fish sick.
  • It is necessary to remove the outer covering, or shell, of prawns before feeding your fish because they can be sharp and may injure your fish’s digestive system if given directly.
  • The black line you can see running down the middle of a prawn’s body is where all the waste accumulates. You need to remove this part before feeding the fish.
  • After cleaning the prawns and removing their outer covering and other non-edible parts, chop the prawns into smaller pieces if your fish is smaller in size.
  • Remember to feed your fish small portions of prawns so they don’t get overfed. It’s best to give a little at a time and keep the rest in the refrigerator until the next feeding.
  • Make sure you defrost or thaw any frozen prawns before giving them to your fish for their next meal.
  • Avoid feeding prawns that have been overcooked with spices to fish, as it could harm their digestive system.
  • Some people prefer to feed their fish raw prawns because cooked prawns can cause indigestion in the fish. Make sure the prawns you give are clean and free of harmful microorganisms.

Do prawns have any nutrition benefits for fish?

Prawns contain around 20-25 grams of high-quality proteins, which will be a great source of food for meat-eating fish that prefer to eat live food and meat in their diet.

Feeding prawns to your fish can be a great way to keep them healthy because they contain fewer fats and more proteins.

Prawn contains :

  • More protein
  • Less fat

Ready-to-eat cooked and peeled king prawns available on the market are high in protein and fiber, which can help boost your fish’s immune system. If you want to feed this brand of prawn to your fish, it is safe to do so.

Are there any potential drawbacks to feeding prawns to your aquarium fish?

There are no downsides to feeding prawns to fish, but you should not overfeed fish, as overfeeding can cause constipation and other digestive problems that can make them sick and lethargic.

Fish like Oscars, goldfish, and Arowana love to eat prawns. Unless you stop feeding them, these fish will keep eating prawns. Make sure you give them in moderation because overfeeding them can be harmful.

Overfeeding can lead to uneaten prawns getting stuck in the bottom of the tank, and if left unchecked, this can change the water’s chemistry, making it unsuitable for fish to live.

Never give your fish regular servings of prawns; give them as a treat. If you feed them daily, they may not be getting the nutrients they get from foods specially formulated for them.

When feeding prawns to Oscars, be careful not to overfeed them. They grow fast, so feed them sparingly.

If you clean the prawns well before feeding them to fish, there is no harm, but if you give them without cleaning, there is a chance that the prawns might cause some digestive issues in fish.

The best way to ensure that you have fresh prawns is to keep a stock of cleaned prawns in the refrigerator. Cleaning them each time can be a tedious process, so by storing them in advance, you avoid having to do so.


In this brief guide, We addressed the query, “Can fish eat prawns?” We also discussed ways to feed prawns to fish, their nutritional benefits, and any potential drawbacks.

Thank you for visiting my blog. I hope you found it helpful. Please let us know if you have any questions.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.