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Crabs

Crabs are escape artists, predators, and opportunists. Some are fully aquatic, some need land. This section covers how to keep them without losing your shrimp or finding a dried crab behind the sofa.

Frehwater crabs

Pom Pom Crab – Detailed Guide: Care, Diet, and Breeding

Updated: June 6, 2026
Freshwater Pom Pom Crab (Ptychognathus Barbatus)

The Pom Pom Crab (Ptychognathus Barbatus) is fully aquatic, freshwater crab (Do not confuse it with the marine species that goes by the same name). These crabs are a true rarity and quite new to the hobby. Freshwater Pom Pom crabs are very cute, friendly

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Saltwater crabs

Emerald Crab – Detailed Guide: Care, Diet, and Breeding

Updated: June 6, 2026
Emerald Crab (Mithrax sculptus)

The Mithraculus sculptus, commonly known as the Emerald crab, is probably the most heavily traded crab in the marine aquarium industry. Although they can be very beneficial to have in your tank, there are also a lot of debates about this species (aggression, feeding habits,

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Frehwater crabs

7 Freshwater Crabs For The Tank 

Updated: June 6, 2026
7 Freshwater Crabs For The Tank

Fish and shrimp aren’t the only interesting creatures you can keep in a tank. Keeping crabs can be just as, or even more fascinating. Many small species of crab can even be kept in freshwater or slightly brackish tank setups, so there’s no need to

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Frehwater crabs

Thai Micro Crab– Detailed Guide: Care, Diet, and Breeding

Updated: June 6, 2026
Thai Micro Crab (Limnopilos naiyanetri)

Looking to add some variety to your shrimp habitat, or maybe you just want a change of pace in your community tank? In this detailed guide, I have compiled everything you need to know about caring for Thai Micro crab. Thai Micro Crabs are a

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Brackish tank / Frehwater crabs

Red Claw Crabs  – Detailed Guide: Care, Diet, and Breeding

Updated: June 6, 2026
Red Clawed Crab (Perisesarma bidens)

Red claw crabs (Perisesarma bidens) are an interesting and attractive crab species that can be a great addition to your aquarium (paludarium). Have you been thinking about keeping and setting up a Red clawed crab tank, but you aren’t sure how to care for them?

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Crayfish / Crustacean Health / Frehwater crabs / Freshwater shrimp / Freshwater snails / Water parameters

How to Supplement Shrimp and Snails with Calcium

Updated: June 18, 2026
How to Supplement Shrimp and Snails with Calcium

The importance of calcium for shrimp, crayfish, crabs, and especially snails is a well-known fact. Therefore, today I will talk about calcium supplements for shrimp and snail tanks. It is widely understood that they require calcium in unusual quantities during certain stages of their life.

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ABOUT ME

Aquariumbreeder (Shrimp and Snail Breeder) logoHi everyone! I’m Michael and this is the place where I nerd out about shrimp. So, if you are interested in getting into this hobby or just want some extra tips and tricks, well this is the right place for you. On this blog, I share all the things I learn about shrimp breeding as I go. 

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