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.
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!
Meet the Snail Assassin: Your Solution to Pest Snails
Got a snail problem you need taken care of? To take care of a snail problem, you need to send in an Assassin Snail, better known as Clea Helena!
Best Aquarium Gravel for Freshwater Tanks
What's at the bottom of your aquarium? If you're looking for substrate, check out our picks for the best aquarium gravel for freshwater tanks.
Best Aquarium Heaters for Tropical Fish
Just because you don't live in the tropics, it doesn't mean you can't have a tropical tank. Here are our picks for the best aquarium heaters for tropical fish.
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.�
The Bobbit Worm: Your Saltwater Tank’s Loch Ness Monster
Just when you thought it was safe to go back into your tank, your saltwater fish start disappearing! A devious worm may be at the center of this mystery.
Cichlids: One Of The World’s Most Fascinating Freshwater Fish Specie
Colorful and plentiful, cichlids are a popular freshwater aquarium fish. If you're looking to add them to your tank, here are a few basics to keep in mind.
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.
Taking a Closer Look at Oscars
One of the most popular aquarium fish species is the Oscar. Brilliantly colored and quite smart, there's a lot you didn't know about these tough fish.
5 Common Mistakes Made by Reef Keepers
When you're starting out, the smartest thing to do is learn from others' mistakes. Minimize your reef keeping boo-boos and take some advice from the pros.
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!
What Are the Most Attractive Corals for a Reef Tank?
Broccoli, bubbles and... open brains? These are just a few coral types that will bloom in your aquarium and give your reef environment life.
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.
Risky Business: Four Types of Dangerous Aquarium Fish
Swimming in the shallow end isn't for everyone. Some people like their fish to have a bit of bite! Check out these four types of dangerous aquarium fish.
Why You Need The API Master Test Kit
Here's a test you don't have to study for. The API Master Test Kit has everything you need to maintain and monitor aquarium conditions.
Top 3 Most Popular Types of Aquarium Filters
You know that you need a filter to keep your aquarium clean. Did you know that certain types of tanks need a filter that'll get the job done right?
The Benefits of Hermit Crabs in Your Aquarium
The hermit crab isn't just a pretty shell - this invertebrate likes to clean up after itself. Here's why you should let a hermit crab move into your tank.
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."
Best Aquarium Power Filters
When you're stocking your aquarium, don't forget about the right filtration for your tank. Here are our picks for the best aquarium power filters.
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.
5 Fish Questions You Always Wanted to Ask
There's no such thing as a stupid question. But if you're too hesitant to raise your hand, here are 5 fish questions you always wanted to ask.
Best Sponge Filters for Aquariums
Sponge filters provide mechanical filtration and, over time, may provide biological filtration as well.
Why Is My Fish Lying at the Bottom of the Tank?
Fish can have all sorts of quirky behaviors, but spotting your fish lying motionless at the bottom of the tank can be a cause for concern. While it might look alarming, this isn’t always a sign of illness.
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.
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.
Ich or White Spot Disease: Causes, Symptoms and Treatment
One of the most common diseases affecting aquarium fish, Ich or White Spot Disease is highly contagious. More about the causes, symptoms and treatment.
Best Medications for Treating Aquarium Fish Diseases
Just like any pet, fish can get sick too. But how can you fight illness in your tank? Here's our list of the best medications for treating aquarium fish diseases.
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.
Best Foreground Plants to Use in a Planted Tank
Much thought and planning goes into a vibrant, practical planted tank. Learn how to properly arrange your plants and which ones are best for the foreground.
Best LED Aquarium Lighting Systems
What is the one thing that can immediately transform the look of a home aquarium? The right LED aquarium lighting system.
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!
The Best Aquarium Thermometers
Keeping your tank water at the perfect temperature is extremely important. That's why you need the best aquarium thermometer for your tank.
Add Color to Your Tank With Freshwater Shrimp
Have you ever thought of adding freshwater shrimp to your aquarium? A wonderful addition to any tank, shrimp brighten and bring zest to a tank.
Go Green With the Emerald Crab
Crabs are a cool addition to an aquarium. And the Emerald Crab does more than add color - these invertebrates clean up after themselves.
Get to Work on an Office Aquarium
Bring life into your office with a fish tank. A growing trend in the workplace, aquariums add color, energy, and stress release to a busy day.
Tips for Keeping Fiddler Crabs in Your Brackish Tank
Fiddler Crabs make a wonderful addition to a brackish tank. Easy to care for and fun to watch, here's what you need to know about the fiddler crab.
Best Aquarium Substrates for Planted Tanks
What's at the bottom of the best aquariums? The best substrates! Here's our list of the best aquarium substrates for planted tanks.
Aquarium LED Review: Finnex Planted+ 24/7
For perfect lighting, no matter what time of day, the Finnex Planted+ 24/7 LED fixture offers a hands-free simulated sunrise and sunset effect.
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.
Above the Water’s Surface: A Guide to Emersed Plant Growth
A different take on planted tanks, emersed plant life gives your aquarium dimension. Let's talk about the ins and outs of emersed aquarium plants.
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.
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 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.�
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.
How to Use Aquatic Mosses in Your Planted Tank
To make your tank truly spectacular, try adding moss to the mix. With many types to choose from, moss adds a lush and natural touch to your aquarium.
Which is the Best Choice: Canister Vs Hang-On Filters?
One of the most important pieces of equipment you'll need for your aquarium is a filter. The canister or hang-on filter - which one is best for your needs?
Top 5 Low Light Corals for a Beginner Reef Tank
You want to start a coral reef tank, but you're not sure where to start. Here are five types of coral that are great for beginners.
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.
Why I Think Aquarium Rock Collecting Rocks!
Are you into hard rock? Not the music... the kind you put in your aquarium! Here's what you need to know before adding rocks to your tank.
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.
Best 10 Gallon Fish Tanks
Getting a 10 gallon fish tank is an excellent starting point as it is not overwhelmingly big or too challenging. Take a look at he best 10 gallon aquariums!
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.
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.
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.
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.
Saltwater Shopping List For Beginners
Starting up a saltwater tank is a lot simpler when you have a must-have list of items. Use this list as a start point for your new saltwater aquarium.
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.
Can Betta Fish Live with Other Fish?
Betta fish - also known as Siamese fighting fish - are some of the most striking freshwater fish you can add to an aquarium. But can they mix with other fish in the tank?
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.
Readers’ Picks: Top 12 Live Amano Shrimp Buys
Who knew that Amazon was a great place to buy live shrimp? From start to drop off, happy customers are reporting no casualties en route.