The most common you’ll see is purple. I live in the tropics near to a stream and found a baby crab there and he has been in my aquarium for more than 6 months. We’ve been involved with the aquarium community for quite a while, and crab owners are some of the most passionate people we’ve ever met. However, it is understood that these crabs may live between the land and the water, spending equal amounts of time in/on each. Alison has been interested in fish and aquariums for over five years. Whatever the case may be, make sure to filter out the water first. Discussion Starter • #1 • Mar 31, 2012. Meanwhile, the pH balance needs to be slightly alkaline, measuring between 8.0 and 8.3. Save Share. Get all the essential livestock for your fishtank, from Hermit Crabs to Corals For Sale. Archived. If that’s not enough of a pop of color for you, there’s also always the purple Matano crab, which features yellow legs and a purple carapace. Below we highly 5 crabs that are great for freshwater aquariums. Leave it there for a couple of days before removing it. Save Share. However, you don’t need as much of it as you might with other crabs. These crabs are completely aquatic. The salt should already be disintegrated and mixed into the water in a bucket before it is added to the tank. That said, they’re not afraid to do a bit of land exploration. Good luck . However, they will eat anything. Surviving and thriving are two different things though, so if you are planning on keeping this species a brackish setup would be best. This species is one of the larger freshwater crabs for aquariums, measuring between 3 and 4.7 inches wide. He has moulted several times and eats raw pieces of fish. In addition, contrary to popular belief, the Fiddler Crab is not a fully aquatic species. You mean the rare species of Outofstock soldouticus. Aquarium Source is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. In an ideal freshwater environment, they can survive up to 2-3 years. The babies I can only guess went through their larval stage in the wet moss. They do just fine spending their entire lives without coming out. They’re quite hardy and adapt well to most habitats. Next, you’ll need to learn more about your crab’s land and water requirements. Speaking of the tank, these crabs need hiding spaces. In contrast, semiaquatic mammals are widely distributed throughout the class. Now, creating land and water environments can be tricky. They enjoy brine shrimp and will often eat leftover pellets that fall to the bottom of the tank. These crabs would make an excellent alternative to a crayfish because they are less aggressive. Males typically have one oversized claw that they use to intimidate potential predators. But, these crabs will eventually “come out their shell” and spend more time exploring the tank as they get comfortable. The submerged area of the tank should be cycled and the water should be relatively hard with a higher pH. You can provide snacks like bloodworms, brine shrimp, insect larvae, and more. They are relatively easy to care for and have a striking appearance. Artificial decorations, such as PVC pipes, overturned clay pots, and plastic shelters, all work, too. They’re one of the tiniest crab species in the aquarium trade. I loved it!! These creatures are largely opportunistic, so they won’t shy away from snacks. It’s when they shed their old shell to make room for a new one. Depending on your crab species, you may need to invest in heaters or humidifiers to keep your pet healthy. Most crabs are not going to be super aggressive towards fish (especially if they can’t get near them). There was this really old guy selling them. If your crab belongs to a species that spends a significant amount of time on dry land, you need to provide that space. To hopefully clear things up a bit, this list contains five fully freshwater crab species that could be perfect for your tank! Not much has been published about the Matano crab so far, but luckily, we can assume a little bit about their care requirements based on their natural habitat. You can try posting a photo the Aquariadise Invert Keepers FB group if you’d like, we can see if we can figure it out. Overall, the crustaceans are not picky. Make sure the tank is about 2/3 land and 1/3 freshwater. They are covered in a camouflaging grayish-brown color. The carapace is roughly 1.5 to 2.5 inches when fully grown. One main problem is that many brackish water crabs are actually advertised as being able to live in a fully freshwater tank at fish stores, such as the fiddler crab and red claw crab. Despite this, these crabs can probably be kept safely in a tank with many quick Tanganyika species of fish, like cichlids. This is possible with females too, but their claws don’t get as big as the male crabs. That said, you do want to be careful about aggressive behavior coming from your fish. The carapace is typically covered in a deep blue or purple hue. Tiny hairs cover their legs. Thin spider-like legs do expand their size a bit, but their tiny size allows them to hide virtually anywhere. Crabs often show aggressive behavior towards other crabs as well. Pom Pom crabs only have an average lifespan of about one year. They can be a bit shy and skittish. Parathelphusa pantherina. He also claimed they he breeds them. Clawed frogs can be kept entirely in freshwater, but it will definitely eat up every shrimp very quickly. Most will be less than an inch wide when you first get them. Beautiful than the last has been interested in both aquatic and do n't believe are. 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