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How to make a piranha fish costume

Updated November 21, 2016

Showcase your creativity and become the centre of attention at any party with this piranha fish costume. Instead of dressing as a piranha fish, which is a rather generic fish costume with sharp teeth added, dress up as a school of piranha fish in a feeding frenzy. The amount of money you are willing to spend on the costume will dictate how large your school of piranha is but even a small school of piranha can be deadly and hilarious.

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  1. Choose your clothing based on the weather and what you have on hand. An old swimsuit works well if it is warm while a wetsuit is better in cold weather. You may not want to damage a wetsuit to make this costume though, so look for Lycra trousers and tops such as bicycle clothing to mimic the wetsuit look.

  2. Tear the clothes in several spots to replicate piranha attacks but be careful not to rip in any areas that might cause you to be uncomfortably exposed while wearing the costume. Use a razor blade to carefully start the tear as Lycra is difficult to rip.

  3. Apply fake blood to the ripped areas to stain the clothing. Homemade fake blood is often made from corn syrup and usually will not stick well to Lycra so use the store-bought variety or a little red paint.

  4. Pin several toy piranha to the costume near the ripped areas. Insert a large safety pin through the piranha's lip or mouth area and the pin it directly to the wetsuit, swimming costume or bicycle clothing.

  5. Splatter extra fake blood on your exposed skin and the costume once you are dressed to give it a more realistic effect.

  6. Accessorise with a diving mask, snorkel and flippers to complete your costume.

  7. Tip

    Occasionally shout "Piranha!" and jump up and down as if being attacked while wearing the costume. The toy fish will flop around as you jump and make the piranha appear to be in a feeding frenzy. If you cannot find toy piranha, use other small plastic fish. The blood and torn clothing will immediately make most people think of piranha.


    Be careful walking in flippers. You could also use flip-flops.

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Things You'll Need

  • Wetsuit, old swimming costume or Lycra bicycle clothes
  • Razor blade
  • Fake blood or red paint
  • Toy piranha
  • Diving mask
  • Snorkel
  • Flippers

About the Author

Kittie McCoy has been a freelance writer since 2008. She is also a part-time personal trainer and licensed entertainer in Las Vegas. She enjoys sharing her love of physical fitness and experience in the entertainment industry via her writing.

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