Probably one of the most beautiful and most popular species of freshwater fish is the Boesemani rainbowfish. These fish are easily recognized by the male’s signature gradient of blue and orange. They are active schooling fish that would make a great addition to planted…
If you have a large tank and you’re looking for an interesting, characterful fish that’s strikingly attractive and super-intelligent, you might want to consider the South American Lemon Oscar cichlid (Astronotus ocellatus). Oscars are also very friendly fish that can bond with their keepers,…
Have a big tank or pond and looking for a monster freshwater fish to fill it out? The endangered iridescent shark could be the right species for you. The iridescent shark is a large river fish that needs lots of open water and room…
Most pufferfish are known for their bold personalities and beautiful colorations. The Congo puffer is no exception and is becoming an increasingly popular species within the freshwater aquarium hobby. Like other pufferfish, the Congo puffer does best in a tank by itself; this can…
The guppy is just about the most popular tropical aquarium fish kept by hobbyists. As a result of selective breeding over many years, the once dull-colored guppy is now one of the most brilliantly colored and sought-after fish you can find in your local…
The popular GloFish have been around for quite a few years, much loved by hobbyists who want to create a colorful tank without having to spend a fortune on expensive exotic fish species. The latest addition to the GloFish stable is the GloFish shark,…
If you have a freshwater aquarium and you’re experienced in keeping the conditions in your tank perfect and well-maintained, you might fancy taking on one or more Farlowella. These weird-looking, twig-like fish certainly have a very unusual appearance, and they certainly make a good…
The green, or blue-green, chromis is a popular choice for the reef or marine tank. Chromis Viridis is a species of damselfish that is both beautiful and peaceful, as well as being hardy and active. These fish are relatively inexpensive and widely available, too,…
The pike cichlid also named the Crenicichla lepidota, is a striking, attractive fish that can make an impressive addition to a large aquarium. Unfortunately, these fish are aggressive and predatory, so they don’t generally make suitable candidates for a peaceful community tank. However, the enigmatic…
Betta fish come in many color morphs and forms, making them an extremely popular choice of aquarium fish with hobbyists worldwide. In this guide, we take a detailed look at the beautiful mustard gas betta, including how to care for the fish and where…
Goldfish come in many shapes and sizes and it can be difficult to correctly identify the true name and variation of your goldfish. The calico goldfish is one of these variations and can be easily identified by their usual tri-color patterns. It should be…
If you want an unusual, beautiful freshwater fish to add to your collection, you might want to consider the albino rainbow shark (Epalzeorhynchos frenatum). In this care guide, we tell you everything that you need to know about this perennial aquarium favorite. What’s in…
The harlequin shrimp might be one of the most beautiful saltwater invertebrates currently available in the aquarium hobby. While these shrimp do well in community and reef tank settings, their selective diet makes them slightly more difficult to keep than other marine shrimp. However,…
The rainbow shark’s appearance is far from the colorful array that you might expect from its name, but these fish make a fascinating addition to the freshwater aquarium nevertheless. This species is commonly confused with other similar-looking fish but is easily identified if you…
The blue cichlid, also commonly known as the electric blue cichlid, can be easily mixed up with other cichlids from the same genus. However, this fish is an African cichlid all of its own and has some slight differences from the other similar fish…