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Aquarium Plants Factory

Pom Pom Crab [ Freshwater ]

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Pom Pom Crab ( Ptychognathus Barbatus ) is a fully aquatic dwarf crab for freshwater planted aquarium. They even do well with dwarf shrimp since they are small in sizes that are about 1-2cm.

The key benefit of our crab 

  • Very rare, unique and beautiful crab in the planted aquarium market.
  • Friendly crab, safe for plants, fish, snail, and other aquarium's inhabitants.
  • Control the algae, fish food waste, and any decompose materials such as the dead body of fish, snail or dead plants. 
  • Balanced your aquarium water and create a great ecosystem environment.
  • Easy to control. They breed eggs outside of the water and doesn't consider as an invasive species in the controlled aquarium. 

Recommended Water Parameters:

  • Temperature: 81° - 86° F (27° - 30° C)
  • pH: 7.0 - 8.0
  • KH: 5 - 30 dKH
  • Minimum tank size: 10 gallons


Copper is toxic to invertebrates such as aquatic snails, crabs, shrimps, etc. Many commercial fish foods, medications, and plant fertilizers contain copper sulfate. Please avoid any aquarium product contains copper of any form or they may cause harm or even death to your invertebrates.

Customer Reviews

Based on 17 reviews
Mary Conti

Basically built a giant nano tank into a 98 gallon bowfront glass aquarium so I have about 40 gallons of water in it and a land area too. A betta is the largest fish I have in it, the rest are black neons, regular neons, and celestial rasboras with a few cory cats and kuhli loaches and now I have these wonderful crabs. They love the tank and show themselves pretty frequently, even climb out of the water in the middle of the night onto the large fake log I have as a centerpiece. They've completely nonaggressive and don't even bother a slow betta with long, tempting fins! Highly recommend. (Pic below is just the tank, not yet finished at the time.)

Steve Framke

loved all the pom's enjoy them every day,

So impressed

Upon getting my little pom pom crabs it was quite warm, but was able to get them at the time of drop off, and they were healthy and active. I absolutely adore them!

Lyle E Paintin

I'm very happy with your products but unfortunately this time one of my crabs arrived dead and I've been talking with people there to resolve this issue

David Migliore

I ordered 2 pompom crabs, we acclamated them, but wothin hours they both died. The tank in very healthy full of shrimp and dapjnia.

Karim Lannaman
Great addition to our tank!

My son loves these crabs, and they are a great addition to our fresh water tank!

Shipping was lightning fast, and they were secured very well.