Aquarium Biology 101: Anatomy of a Fish
We all know that a fish has gills and fins... but there's more to them than just a few basic parts. Get ready for our crash course in "Anatomy of a Fish."
Fish Blog
If you’re looking to swim with the big fish… or the small fish… or anything in between, our in-depth Fish Blog section covers everything an avid aquarist needs to know.
Covering all types of aquarium tanks, to cool and interesting ideas for your next fishy endeavor, PetGuide.com’s Fish Blog is the perfect spot for experienced and beginner fish enthusiasts alike. We cover the various aspects of fish keeping as a hobby – from simple planted tanks to complex marine environments, as well as aquarium fish and their compatibility with other species. Dive right into the fascinating world of aquariums!
If you are in need for some tips and ideas on decorating your fish tank with beautiful plants, make sure to hop on over to our Aquatic Plants section. In case you have a saltwater tank and want to create a unique environment for its inhabitants, Coral Reefing is definitely an option worth looking into. Reef tanks are not only great for the fish but a magnificent centerpiece for your home as well! Depending on the type of water in your tank, you will also find invaluable advice and how-to guides in our Freshwater and Saltwater blog chapters, or useful reviews of aquarium equipment in our Fish Products section of the blog.
Wondering about adding a new creature into your aquarium? Read up on our aquarium fish species recommendations, or head on over to our Invertebrates blog, to find out how to chose, introduce and care for various marine critters, including species such as crabs, clams, starfish, and much more.
Create a stunning miniature ecosystem in your aquarium. Petguide.com’s Fish blog has all the resources you’ll need to create, decorate and maintain a gorgeous fish tank, as well as guides on choosing and caring for aquarium fish and other aquatic creatures that will inhabit it!
Multiple Tank Syndrome: It’s Time for a Fish Addict Intervention
Speaking out on her addition to fish and aquariums, Summer Davis suffers from multiple tank syndrome (MTS), and she doesn't care who knows it.
Top 5 Freshwater Fish Species for Planted Tanks
Now that you've got your planted tank set up, it's time to stock it with fish. You can't go wrong with these five freshwater fish species.
How Often Should I Feed My Fish?
There are a lot of factors that will determine the feeding schedule you have for the inhabitants of your saltwater or freshwater aquarium. The frequency of feeding your fish depends on the type of fish, their age, and the specific conditions of your tank.
Readers’ Picks: Top Seachem Products for Aquariums
Seachem is the most trusted name in the aquarium hobby game, according to PetGuide readers. Here we take a look at the top Seachem products on Amazon.
How to Handle Stress in Aquarium Fish
It may seem like they're care-free, but aquarium fish can suffer from stress. Here's what you need to look for and what to do if it happens to your fish.
Fishy Secrets Revealed: The Pros’ Most Embarrassing Stories
We all have those forehead-slapping moments when we make a stupid mistake. Hey, not to worry - even the most seasoned of fish pros have made a few missteps.
Exploring The Riparium: A New Kind of Planted Tank
Also known as a �Riverbank Aquarium,� the Riparium is growing in popularity. Let's go over the basics of this new planted tank trend.
Tank Stocking: The Truth About The 1 Inch Per Gallon Rule
You've heard about the "one inch of fish per gallon" rule, but there are other factors to keep in mind when you're first stocking your aquarium.
Watts Going On With Your Aquarium Lighting?
Aquarium lighting is more than just watts per gallon. When you're setting up lighting for your tank, be sure to keep these important factors in mind.
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.
Tetra 101: Introduction to Schools of Fish
It's time to go back to school - we're going to educate you on schools of fish. Before you head to the front of the class, we'll teach you about tetras.
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.
Best Sponge Filters for Aquariums
Sponge filters provide mechanical filtration and, over time, may provide biological filtration as well.
Fish RX: Hikari PraziPro Fights Parasite Infestations
What do you do when your fish get sick? Before or after parasites invade your aquarium, medicate your fish with Hikari PraziPro.
Ebb and Grow: Growing and Controlling Algae in Your Aquarium
It doesn't take much for algae to become a problem in your fish tank. There are many reasons why it grows and there are a few ways to keep it under control.
Why You Need To Dip Your Coral in Coral RX
You've spent a lot of time and money on your aquarium. Don't let nasty parasites take over - use Coral RX to drip your coral before adding it to your reef.
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.
Best Aquarium Filter Media
There are parts of your aquarium that work behind the scenes to ensure that it works properly. Here's how to choose the best aquarium filter media for your tank.�
Freshwater Clams: An Underutilized Invertebrate
Does your aquarium have a couple of clams? You need to add a few to your tank – these invertebrates are for more than just show. When you think about c…
Top 5 Live Plants to Use in Brackish Aquariums
A mix of salt and freshwater, brackish aquariums present its own set of challenges. Here are a few plants that hold up in this type of tank.
What’s Wrong With My Aquarium Plants?
Your aquarium plants aren't thriving; in fact, it looks like they're going to go belly up! Here are some common problems you'll see with aquarium plants.
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.
Best Cannister Filters for Large Aquariums
To ensure your fish are happy and healthy, water quality needs to be optimal. The best way to do that is with a high-quality canister filter.
5 Plants Picks for Your Brackish Aquarium
It's not saltwater, it's not freshwater - brackish aquariums offer a bit of both! But finding the right plants for this type of tank can prove to be tricky.
How To Speak Fish: More Than Just Blowing Bubbles
You may not hear it, but your fish have a way of talking to each other. Even though they don't make a sound, their actions speak louder than words!
Top 5 Invertebrates to Hire For Your Freshwater Cleanup Crew
Taking care of your aquarium is hard work - you need to bring in some extra muscle! Here are 5 invertebrates that you want on your freshwater cleanup crew.
Tips for Converting From a Fish-Only to a Planted Tank
You've decided to make a change from a fish-only to a planted tank. When you're ready to add live plants to the mix, here are some tips you should follow.
Take a Walk On the Wild Side of Bettas
Take a walk on the wild side! You know about bettas, but do you know about wild betta fish? Let's look at wild bettas that can be kept in an aquarium.
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.
6 Easy Hacks to Cure Fish Boredom
Just like any other pet, fish can become bored, too. And while they won't chew up your shoes, keeping them occupied will ensure they live a healthier life.
How to Anchor Live Plants to Driftwood for a Natural Décor Scheme
Driftwood adds a distinct look to an aquarium. To make sure you pull off this style, follow our tips for properly using driftwood as a live plant anchor.
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.
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?
Product Review: AquaMaxx HOB Protein Skimmer
Let us clarify how important a quality protein skimmer is to your tank. We give the AquaMaxx HOB Protein Skimmer a spin in our aquarium.
Coral Reef-Safe Fish Species for Saltwater Tanks
Pairing the right fish with the right coral makes for a vibrant and healthy aquarium. Here's what saltwater fish will enjoy your coral reef 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…
Best Fish Food for Aquarium Fish
What do you plan to feed your fish? If you're just starting out with a tank, you'll want to choose the best fish food for aquarium fish.
Planted Tank Basics: What Aquarium Plants Need to Thrive
Just like the ones growing in earth, there are certain basics aquarium plants need to survive and thrive. Let's go over the basics of planted tank care.
Radiant Reef: A Rainbow of Hard Coral
An underwater, eye-dazzling view! Available in all the colors of the rainbow, hard corals can turn your tank into a brilliant spectrum of wonder.
Best Fish Food for Algae Eaters
Finding the perfect combination of aquarium inhabitants is an art. You want to find species that are compatible with each other in terms of size and color, but you also have to think about aggression and diet as well. Once you’ve established the ideal balance, it can be challenging to add a new inhabitant to the tank. If you’re struggling to control problem algae, however, adding a new species could be your best option. Bristlenose Plecostomus, oto cats, and other algae eaters are a natural and long-term solution for problem algae, but they require care of their own.
Best Aquarium Lights
Lights� cameras� action! Put a spotlight on your tank with the right lighting. Here are our picks for the best aquarium lights.
Best Reef Aquarium Supplements
There are unique challenges to keeping a reef aquarium. To properly maintain this type of tank, you need the right reef aquarium supplements.�
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.
Aquarium Spotlight: PPG Aquarium in Pittsburgh, PA
Education can be lots of fun - just don't tell the kids that! If you're looking for a family outing in Pittsburgh, PA, drop by the PPG Aquarium.
Best Aquarium Supplies for Biological Filtration
Balance is the key to a healthy aquarium and filtration plays a major role. That's why you need know about the best aquarium supplies for biological filtration.
Best Air Bubbler Aquarium Decorations
Turn your tank into a conversation piece with the right decorations. Here are our picks for the best air bubbler aquarium decorations.
Best Aquarium Protein Skimmers
Keeping your aquarium water clean and clear is essential for the health and wellness of your tank inhabitants.�Here are our top picks for the best aquarium protein skimmers.
Hop to It: My Introduction to African Dwarf Frogs
When your child's school sends her home with a new amphibian friend, you've got to adapt your aquarium to suit the little jumper's needs - ASAP!
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.
Best Automatic Aquarium Feeders
We've put together some tips for choosing and using an automatic aquarium feeder and our top 10 picks for the best automatic aquarium feeders.
What Causes PH Changes and How to Fix Them
What's the chemistry like between your aquarium fish and the water they swim in? Keeping the pH of your tank water is a vital element to healthy fish.
Setting a Schedule for Routine Tank Maintenance
Aquariums need to be maintained regularly - it's essential to keeping your fish healthy and your tank looking its best.
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.
Aquarium Basics: Let’s Talk About Amazon Sword Plants
When it comes to freshwater tanks, the Amazon Sword Plant is a fan favorite - for many reasons. Here are the basics you need to know about this tank staple.
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!
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.
Best Aquarium Filters
Go with the flow and keep your tank sparkling clean. Choose from our list of the best aquarium filters to ensure your tank is properly maintained.
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.
The Best Aquarium Gravel Cleaners
You may not think much about it, but the gravel at the bottom of your tank needs certain care. Here are our picks for the best aquarium gravel cleaners.