Cory catfish: panda cories, bronze cories, pygmy cories.Rasboras: chili rasboras, galaxy rasboras, harlequin rasboras.Tetras: ember tetras, rummy nose tetras, black skirt tetras.It is important to research each species you plan on getting for your tank before going to buy a school as some species do better in small groups versus large numbers. Most community species are very easy to keep and don’t require much extra tank maintenance other than good water parameters and regular tank maintenance. CommunityĪ tank filled with community fish is also a great and easy way to bring color and movement to a 30-gallon tank system. Note that some of these fish might do better in brackish water tank conditions some of these fish have also been kept in community tanks, though caution should be taken if planning on introducing more docile species with them. Puffers: figure 8 puffers, dwarf puffers, red-eye puffers.African Butterfly Fish ( Pantodon buchholzi).Cichlids: angelfish, convict cichlids, firemouth cichlids.While you won’t be able to have as many fish like that in a community tank due to different behaviors and space requirements, each aggressive freshwater fish tends to hold its own interest. AggressiveĪn aggressive freshwater tank can be just as beautiful as a community tank.
While aggressive fish might provide more biodiversity, community fish will allow for more numbers of actual fish in the tank. Keep in mind that aggressive fish will need more space to themselves while community fish will most likely need to be kept in schools or pairs. You will need to decide if you want more aggressive freshwater fish or community fish. If you’ve decided to go with a freshwater setup for your 30-gallon fish tank, then there are many different species that you can choose from that will feel right at home. Then, you will need to decide if you want aggressive fish that will need more space to themselves or if you want to keep easy community fish that can comfortably school and interact in the given space. The first decision you will want to make is if you want a freshwater or saltwater aquarium. While 30-gallon aquariums aren’t huge, these tanks are much bigger than most hobbyists start out with and can allow for a decent amount of biodiversity. Check Price What Are Some Good Fish for a 30-Gallon Tank?
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