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Everything you need to know about caring for freshwater and saltwater aquariums. Our free guide can help keep your tank clean and your fish healthy.
Freshwater Aquarium
Whether you’re a new or seasoned aquarium owner, this category contains our most popular aquarium fish. They are easy to care, unique and colorful, which make your aquarium thrive with life.
Latest Posts
10 Large Tetras for Your Freshwater Aquarium with Pictures (2.8″ ~ 6.5″)
Some people are driven by the motto, “Bigger Is Better,” and it extends to their fish, too. Unfortunately, it’s definitely not the case when it comes to tetras. Although these
10 Small Tetras for Your Freshwater Aquarium (0.6″ ~ 1.1″)
No matter what kind of aquarium keeper you are, tetras are one of our favorite community fish because of their beauty and ease of care. These peaceful schooling fish come
Hypoxia in a Fish Tank: Signs, Causes & How to Fix Them
Often pet fish owners don’t give much thought to dissolved oxygen (DO) levels in a fish tank, and I used to be one of them. Why should we bother? After
Blind Cave Fish (Astyanax jordani) Species Profile & Care
The longer we keep fish, the more likely we are to become more curious about unusual species; a few of us have been attracted by these creatures from the get-go.
Peppered Cory Catfish (Corydoras paleatus) Species Profile: Our Favorite Cory You Have to Try
Looking for a peaceful, small fish with tons of personality? Look no further! The peppered cory catfish, or Corydoras paleatus, is one of our most recommended community fishes for aquarists
14 Cool 55-gallon Fish Tank Decor Ideas & Themes
Many aquarium owners have gazed at their newly acquired 55-gallon fish tank and wondered how to create an underwater paradise that will both please the eye and provide a healthy
How Many Fish in a 55 Gallon Tank? (Inch Per Gallon Rule Issues)
It’s a golden question, as virtually every aquarist will eventually wonder how many fish can be put in there, no matter what size or type of aquarium they have. The
55 Gallon Fish Tank Background (Size, Types, 3D & DIY Plans)
A 55 gallons aquarium takes on an appealing charm if it’s covered with an aquarium background, no matter what you choose. It serves as a backdrop, highlighting your fish and
40 Breeder Vs 55 Gallon Fish Tank Showdown (Size, Weight & Cost)
If you’ve learned the basics of fish keeping and stepping up from small tanks, like a 15-gallon or 20-gallon, the two tank sizes you might consider are 40 breeders and
30 Different Types of African Cichlids (Pictures & Cares)
The continent of Africa has many wonders, not least of which is its fantastic wildlife. One type of fish that is particularly popular among aquarium enthusiasts is the African cichlid.
Duboisi Cichlid (Tropheus duboisi) Species Profile: Care, Tank Size, Food & Tank Mates
Duboisi Cichlid is a rugged fish known for its gorgeous jet-black body adorned with dozens of white spots. Despite their quarrelsome behavior, this species is endearing to many fish keepers. It
55 Vs. 75 Gallon Fish Tank Showdown (Size, Weight & Cost)
If you want a large-sized aquarium for your home, you’re probably wondering whether to get a 55-gallon fish tank or go even bigger with a 75-gallon option since they have
Fish for 55 Gallon Tank (Community, Centerpiece, Cleaner, Predatory & More)
The 55-gallon aquarium is one of the most popular tank sizes among beginners because it can hold a wide variety of fishes, giving the owner many new experiences within the
55 Gallon Fish Tank Lid, Hood & Canopy (Dimensions & Top Picks)
The debate over whether fish tanks should have a cover or not continues today. Some enthusiasts believe a lid is essential for both marine and freshwater tanks, while others love
7 Best 55 Gallon Fish Tank Filters (Canister & HOB)
When people are asked what comes to mind when they hear that you keep fish as pets, they probably conjure memories of Jeff’s dead fish tank from the Netflix crime
