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Keeping Fiddler Crab

aquarium crabKeeping Fiddler Crab is a fun and entertaining hobby because this crustacean is known to be a very active pet that climbs and thus, can be difficult to contain it in the aquarium enclosure. Contrary to general belief saying that fiddler crab can get along well with other fish and will thrive in aquarium water is definitely not true because this creature will need some dry land to rest. Although we would like to believe that it would require freshwater setup, this is also not accurate at all because the place where this crustacean is caught originated from brackish water close to swampy areas.

Although my first batch of fiddler crab only managed to survive for only 5 months, part of the reasons why it was short-lived has got to do with myself being inexperienced and having the wrong notion as stated above. My previous understanding was that it was totally freshwater and it can stay fully submerged all the while with other aquarium fish. Later after I found out about the truth, I’ve decided to mix in some aquarium salt to create the natural condition for it to live in.

The enclosure setup should be made up of rocks and sands at the base bottom with one part slightly sloped to contain the brackish water. Usually one tablespoonful mix of aquarium salt to every 1 gallon of water is enough to create the salinity level ideal for your fiddler crabs. You can even consider adding aquatic plants to create the natural condition and to provide hiding place. When it comes to food, the crabs are not picky and they will enjoy sinking fish food pellets and every dried shrimp. Their usual activity includes sifting through layers of sands looking for food and climbing on top of rocks to rest.

Another characteristic, which you should be aware of, is that the crabs will molt meaning that they will shed the exoskeleton behind and later consume it to recover the lost calcium. So far, attempts to breed this little creature in captivity have not been successful due to my inability to provide perfect living condition. Nevertheless, it was still exciting to have them around and just remember, they are not supposed to be mixed into your aquarium tank and swim around like the fish. Nowadays, the latest craze has been the Red Claw Crabs, which are offered for sale in aquarium stores and online pet sites.

For easy and fast setup, you can even consider getting a starter fish tank to house them. Other invertebrates for your fish setup: Freshwater Clams and Crayfish (Yabbie)



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About Me

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My fascination and interest towards aquarium fish has led me to devote my time towards caring and learning about this wonderful pet.

Aquarium fish keeping is a very challenging and exciting hobby. When I first started, I never knew much or have the necessary guidance back then because none of my family members were actually a keen hobbyist. And because of that, I’ve encountered numerous failures and the worst part is having to deal with dead fish every time when you started to grow fond and getting attached to my pets. However, I persevered and took steps to find out and search for information from other hobbyist, apart from the knowledge gained and learned from my own experience and research. The blog that I’ve created here is meant to share useful information and tips about aquarium fish keeping so that new hobbyist will not make the same mistakes that I’ve made in the past."

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