Mandarinfish

Sometimes referred to as dragonets or mandarinfish, mandarins are small, brightly colored saltwater fish belonging to the Synchiropus genus.

Anglerfish

Anglerfish are a family of predatory fish consisting of over 200 separate species. They are characterized by their rod-like growths called illicium.

Choosing the Right Substrate for Your Aquarium

Let's get to the bottom of aquarium substrate! Depending on what kind of tank you set up, you need to choose the right substrate for it.

Best Aquarium Testing Supplies

Depending on what kind of fish you're stocking your tank with, you're going to need to test the water to make sure it's just right. Here are the best aquarium testing supplies to help you out.

Goldfish

Goldfish are one of the first species of fish to be domesticated and are also one of the most commonly kept aquarium pets. Peaceful and hardy fish breed.

Best Aquarium Filters for a Beginner Tank

An aquarium filter is an important part of your tank's water quality. Choosing the right one for your first tank is vital - here's our list of the best aquarium filters for a beginner tank.

Biotope Tanks: What Are They and How Do You Cultivate One?

Before you buy, have you narrowed down your choice of fish tank? If you're looking into freshwater, the Biotope tank may be just what you're looking for.

Best Aquarium Stands and Cabinets

You can't just put a full aquarium on any piece of furniture - it has to be made to take the weight of your tank. Here are our picks for awesome aquarium stands and cabinets.

Top 8 All-In-One Aquariums

You want a fish tank, but you want everything you need in one package so you've got the essentials. Here's our list of top 5 all-in-one aquariums.

Puffer Fish

Puffer fish are a curious species of brackish water fish. They are characterized by their almost box shaped bodies and somewhat comical swimming movements.

Tangs

Tangs are a highly popular species of saltwater aquarium fish. They are characterized by their laterally compressed bodies and scalpel-like spines.

Cute But Deadly: The Truth About Fish Bowls

They may be compact and stylish, but there's nothing cute about fish bowls. Small space and toxic water conditions are just a few of things wrong with them.

Best Aquarium Maintenance Supplies

Your tank is perfect - but how do you keep it that way? You need the right aquarium maintenance supplies to keep it looking its best.

Paludariums Have Room For More Than Just Fish

Who says an aquarium is just for fish? A paludarium can house a host of animals and plants that takes on the feel of your very own exotic wetland!

Top 5 Fast-Growing Aquarium Plants for Planted Tanks

If you're impatient for growth, you'll want aquarium plants that shoot up quickly. Take a look at these fast-growing aquarium plants for your planted tank.

Keeping Carnivorous Plants in Your Home Aquarium

Don’t let the name scare you off. Adding carnivorous plants to your tank can take your aquarium to a new level of uniqueness. When you are ready to s…

Are You Feelin’ Crabby?

Are you a tank owner who's always wanted to bring home a crab? If you're ready to jump into the world of crabs, take a pinch of our tested advice.

Danios

Danios are a popular species of freshwater fish in the aquarium hobby. They are characterized by two pairs of long barbells that hang from their mouth.

Peacock Cichlids

Compared to other Lake Malawi cichlids, Peacock cichlids are relatively peaceful. They come in a wide variety of bright colors, often in iridescent shades.

Clownfish

Clownfish are the most popular species of fish amongst saltwater aquarium enthusiasts. They are characterized by their beautiful colorations..

Putting Your Best Fin Forward at Aquarium Fish Shows

Have you ever been to a fish show? All aquarium hobbyists will want to attend one of these events to see the brightest and best fish strut their stuff!

Catfish

Catfish are a large family of freshwater fish extremely popular in the aquarium trade. Extremely hardy and make for fascinating aquarium specimens.

Knifefish

Knifefish are a fascinating species of freshwater fish belonging to the eel family. They are characterized by their long, tapered bodies and anal fins.

Surgeonfish

The species known as surgeonfish belong to the Acanthuridae family. Surgeonfish vary greatly in size from one species to another.

Colorful Tips for Starting a Nano Reef Tank

Amazing things come in smaller packages. If you live in a smaller space and you're a coral enthusiast, set up a nano reef tank.

Best Products to Remove Aquarium Algae

It's completely natural, but it sure does make your tank look gross! Here are the best products to remove aquarium algae.

Top 8 Best Aquarium Plants for Beginners

Welcome to the wonderful world of planted tanks! If you're just getting started, we've made a list of eight aquarium plants that are great for beginners.

Unpopular Opinion: Goldfish Belong Outside

Some fish belong in tanks, others need to be outside. And even though you may not like it, the goldfish's place is in a pond.

What You Need to Know About C02 for Planted Tanks

Carbon Dioxide is an important element in your planted tank, and your plants need more than you think. Add extra C02 for a thriving aquarium.

Oscars and Aquarium Plants: Can You Have Both?

Some fish and aquarium plants don't go together. If you're thinking of adding Oscars to your planted tank, keep these important facts in mind.

Get to Know the Bristlenose Pleco

A lesser known variety of the species, the Bristlenose Pleco has a lot going for it. Easy to care for, this fish makes a great addition to home aquariums.

The Pros and Cons of CO2 in an Aquarium

CO2 in your aquarium can take your plants from average to extraordinary. But before adding extra to your tank, make sure you know its pros and cons.

Sea Bream

Referred to as breams, sea bream are a group of saltwater fish belonging to the Sparidae family. Most are found in tropical to temperate marine waters.

Hatchetfish

Freshwater hatchetfish are a type of ray-finned fishes belonging to the family Gasteropelecidae. There are three genera, with nine different species.

What You Need to Know About the Nitrogen Cycle

The Nitrogen Cycle is important if you're interested in cultivating a thriving aquarium. Let's talk about the basics and why you need to know about it.

Ram Cichlids

Ram Cichlids (Mikrogeophagus ramirezi) are a species of freshwater cichlid that can be found in slow-moving waters throughout the Orinoco River basin.

Molly

The Molly is one of the most popular species of livebearers in aquarium culture. It is a hardy and adaptable species and are great for beginner aquarists.

Expand Your Saltwater Tank With a Refugium

Want tag on a new addition to your saltwater tank? With a refugium, you can add greater water capacity to your main tank for a host of benefits.

What You Need to Know About Feeding Your Fish

A healthy fish aquarium starts with the right nutrition. There are many types of fish food on the market – which one should you choose? When it comes t…

Aquascaping: A Tank of Beauty

A tank can be a place to flex your artistic muscle. If you'd like to set up a stunning aquascape, you'll want to follow these tips to do it right.

Fish Ponds Let You Take Your Hobby Outside

Revitalize your outdoor living space with a container pond or a small water feature. Easy and inexpensive, your pond will add new life your landscape.

Porkfish

The name porkfish is usually used to describe a particular species of grunt that can be found in the tropical regions of the world.

Understanding the Basics of Freshwater Aquarium Lighting

The right lights make all the difference to your freshwater aquarium. Offering much more than just illumination, aquarium lighting helps feed your plants.

Aquarium Heating: Submersible Vs. Hang-on Heaters

Unless your aquarium only houses goldfish, you're going to need a tank heater. But should you go with a submersible or a hang-on heater?

The Lowdown on Fish Laws

Are you guilty of breaking a fish law? Perhaps you don't even realize that what you've done is illegal. What you don't know may land you in hot water.

Mail Call: The Ins and Outs of Shipping and Receiving Fish

If you can't go to the fish, perhaps the fish can come to you. Here are the essentials of shipping and receiving fish through the mail.

10 Essentials You Always Need in Your Fish Room

Wonder what the pros keep in their fish rooms? They've shared their tips with us, and we're passing along the 10 essentials you need in your fish room.

Snappers

Snappers are generally non-aggressive fish that do well in very large saltwater community tanks. Most live in rocky or coral reefs, and come in many colors.

Scorpionfish

Scorpionfish are a family of marine fish comprised of over a 100 different species. They are counted among some of the most poisonous animals in the world.

Grouper

Grouper are a large family of saltwater fish characterized by their stout bodies and over-sized mouths. They are hardy, colorful and fascinating species.

Foxface Rabbitfish

The foxface rabbitfish is a popular species of saltwater fish belonging to the rabbitfish family. When stressed, they can change to a mottled brown color.

Readers’ Picks: The Best Fish Products on Amazon, According to You

This list isn't at all fishy. We went through the most popular fish-related items bought by our readers on Amazon last year to bring you this rundown.

Mbuna Cichlids

Mbuna cichlids are some of the most brightly colored freshwater fishes in the world, exhibiting a wide range of colors and patterns.

6 Popular Aquarium Fish You Need To Avoid

Just because a fish is readily available, it doesn't mean you should keep it in your own aquarium. Here are six fish that shouldn't be in your tank.

Best Freeze-Dried Fish Foods

We're going to explore the subject of freeze-dried fish food in greater depth. You'll learn how to choose freeze-dried fish food, how best to feed it, and our top picks.

Discus

Often regarded as the king of the freshwater aquarium, discus fish are one of the most beautiful species of aquarium fish; and one of the hardest to keep.

Daily and Weekly Coral Reef Tank Maintenance Schedule

You've set up your coral reef tank and it looks spectacular. But don't rest on your laurels - daily and weekly maintenance to make sure it stays that way.

Boxfish

Known as trunkfish, cowfish and cofferfish; boxfish are a family of bony marine fish. They are known for their square shaped body and heavy armored scales.

Cardinalfish

Cardinalfish are a large family of saltwater fish made up of over 200 sub-species. Most species are extremely colorful and are a couple of inches in length.

Daddy Dearest: A Look at Fish Fathers

Being a dad isn't easy - even when you're a fish! Fish fathers have an important role to fill when it comes to reproduction and caring for their offspring.