Caring for Fish & Aquariums
Learn how to care for your fish and aquarium with our best tips and advice.
Explore Fish & Aquariums
:strip_icc()/swordtail-fish-species-profile-5078361-01-467f7fbdfedb4e458ad3204b15f23534.jpg)
Swordtail Fish Species Profile
:strip_icc()/GettyImages-488361859-9a9dd3dd3e3940d493b9858936d8b0be.jpg)
Silver Arowana Fish Species Profile
:strip_icc()/8579758744_d6ae976a6d_k-f2b6ffd179a346408ebc5f1565499345.jpg)
How to Treat Gas Bubble Disease in Freshwater Fish
:strip_icc()/GettyImages-136629622-a2a4e03c86dc4c37950f3314cd45ef0f.jpg)
Optimal Tank Temperatures for a Saltwater Aquarium
:strip_icc()/GettyImages-126171743-5884f2ec5f9b58bdb32d0e40.jpg)
Convert a Freshwater Aquarium to Saltwater Aquarium
:strip_icc()/black-and-white-striped-fish-in-fish-tank-588278996-5aa87591a9d4f90036d2f36f.jpg)
How to Quickly Reduce Nitrate in a Fish Tank
:strip_icc()/175493723-56a81f0d5f9b58b7d0f0db5f.jpg)
Curing Nuisance Green Hair Algae in Your Saltwater Aquarium
:strip_icc()/saltwater_tank-584178d23df78c023057c96e.jpg)
Controlling Algae in Your Saltwater Aquarium
:strip_icc()/GettyImages-115246336-56d7d2e6df0c4ac4926e78ab611c09c6.jpg)
Swim Bladder Disease in Aquarium Fish
:strip_icc()/amount-of-fish-and-aquarium-size-1378335-hero-820fe510d8e747c987d964375e938b70.jpg)
Guidelines for Stocking Your Aquarium
:strip_icc()/GettyImages-520302084-58408c843df78c0230379568.jpg)
Hard Water and Aquarium Fish
:strip_icc()/goldfish-in-bowl-589015030-57ffe4e05f9b5805c2b07851.jpg)
What Should You Name Your Pet Fish?
:strip_icc()/white-cloud-mountain-minnow-1380870-hero-6ba019390bc04253a537f30061617ea7.jpg)
White Cloud Mountain Minnow Fish Species Profile
:strip_icc()/reef-safe-saltwater-aquarium-fish-2924811-hero-84683c26642b4c6f8c0ba8a1b0b31635.jpg)
Reef Safe Saltwater Aquarium Fish
:strip_icc()/barb-species-1380768-hero-e96583aa9f8442c987438e2aff1d7f4c.jpg)
Barb: Fish Species Profile
:strip_icc()/153345014-56a81f103df78cf7729c583c.jpg)
Aquarium Red Slime Algae Causes and Solutions
:strip_icc()/GettyImages-5021211711-5bc8f7c7c9e77c00519aff5b.jpg)
Eliminating Aiptasia Anemones From Saltwater Aquariums
:strip_icc()/coraline-431d206e200b4cac8a11a36786986322.jpg)
How to Grow Coralline Algae in a Saltwater Aquarium
:strip_icc()/fish-swimming-in-aquarium-991607682-5c525a0046e0fb0001a8ef36.jpg)
How and Why You Should Seed a New Aquarium
:strip_icc()/Hermit_crab_cropped-587410143df78c17b643e432.jpg)
Reef Tank Janitors: Hermit Crabs and Snails
:strip_icc()/ReinhardDirscherl-5c3b64fe4cedfd00015aeb4d.jpg)
South American Leaffish Species Profile
:strip_icc()/GettyImages-1135888600-b71f31bd56ac4b3888a82e4d0a70ec9a.jpg)
Guide to Killifish
:strip_icc()/girl-using-a-chemical-test-kit-to-measure-the-quality-of-water-in-a-home-aquarium-993654204-5c3abb2d46e0fb000122bad6.jpg)
Aquarium Water Parameters to Control for Healthy Fish
:strip_icc()/CAS_Steinhart_Aquarium_small_coral_tank-1089f33ab7d6429f8b50c5b104f4bca9.jpg)
How to Build Your Own Aquarium Chiller
:strip_icc()/ph-water-measurement-157442701-5c57d82b46e0fb00013fb7a5.jpg)
Managing Water pH in Saltwater Aquariums
:strip_icc()/Gymnocorymbus_ternetzi-58407d873df78c02303483c4.jpeg)
Black Widow Tetra Fish Species Profile
:strip_icc()/PhosguardbySeaChem-5a6f7272119fa80037983867.jpg)
The 6 Best Phosphate (PO4) Removing Products, According to a Veterinarian
:strip_icc()/GettyImages-152442914-588147525f9b58bdb3151c7d.jpg)
What to Know Before Buying an Aquarium
:strip_icc()/Amoeba_Pitschuni-58a4b7033df78c4758dde16a.jpg)
How to Culture Your Own Infusoria at Home
:strip_icc()/Botia_lohachata_Fanch-56a330133df78cf7727c4ce7.jpg)
Yoyo Loach Fish Species Profile
:strip_icc()/buenos-aires-tetra-975210066-5c465deb46e0fb0001a28188.jpg)
Buenos Aires Tetra Fish Species Profile
:strip_icc()/136288824-56a81f133df78cf7729c5853.jpg)
Seahorses in Saltwater Aquariums
:strip_icc()/fish-scale-close-up-165657677-5874ebbb3df78c17b63f8ab9.jpg)
Hole-in-the-Head Disease in Saltwater Fish
:strip_icc()/harlequin-rasbora-1378462-hero-1e8f5449ae8c4484a99ece658ea14843.jpg)
Harlequin Rasbora (Red Rasbora) Fish Species Profile
:strip_icc()/saltwater_tank-584178d23df78c023057c96e.jpg)
Are Quarantine Tanks (Qt's) Necessary for Your Saltwater Aquariums?
:strip_icc()/clownfish_sea_anemone-581b994d3df78cc2e879cc71.jpg)
Clownfish and Anemone Matches
:strip_icc()/portrait-of-goldfish-in-a-bowl-88374868-104c959f4a074a879a7d2cf632412534.jpg)
How to Preserve the Slime Coat on Fish
:strip_icc()/Helostoma_temminckii_3500_Daniel_Ahlqvist-56a32fe65f9b58b7d0d0dfc3.jpg)
Kissing Gourami (Kisser Fish) Species Profile
:strip_icc()/GettyImages-81992109-58406a045f9b5851e58d1673.jpg)
Silver Dollar Fish Species Profile
:strip_icc()/98371290-56a81f093df78cf7729c5800.jpg)
Reef Tank Temperatures: How High Is Too High?
:strip_icc()/little-fish-in-fish-tank-or-aquarium--gold-fish--guppy-and-red-fish--fancy-carp-with-green-plant--underwater-life--1092909414-5c59c92bc9e77c000102d1b5.jpg)
Swimming, Balance, Oxygen and Food Consumption in Fish
:strip_icc()/slime_algae_melanie_cook-56a32fa75f9b58b7d0d0deee.jpg)
Eradicate Slime Algae in an Aquarium
:strip_icc()/yellow-tang-fish-508304367-5c3d2790c9e77c000117dcf2.jpg)
The Function of Gills in Fish
:strip_icc()/hermit-crab--anomura-spp--on-the-sea-shore-cousine-island-seychelles-541050032-972c2cb9b2314b9a9de55b3a182967eb.jpg)
8 Top Reef-Safe Sand Sifters
:strip_icc()/Spruce_Starting_A_Saltwater_Aquarium_Checklist_2925686_V1-7c7d2aa99d21402bb23365e8ac48080a.png)
Checklist for Starting a Saltwater Aquarium at Home
:strip_icc()/art-aquarium-2015-990214926-5c4f380bc9e77c0001f323ce.jpg)
Breeding Aquarium Fish, Basic Breeding Tips For Beginners
:strip_icc()/GettyImages-924326638-7c3862b3c22746b087895a7080c22129.jpg)
Do Fish Sleep?
:strip_icc()/GettyImages-157730475-5b4f50e718e7429a9832572ab1906779.jpg)
Amano Shrimp Species Profile
:strip_icc()/GettyImages-1165067013-0c1602f7597e4ea184a530c87edfb577.jpg)
Freshwater Aquarium Fish Diseases
:strip_icc()/german-blue-ram-fish-profile-5088724-hero-5bedd8067f0f40fc8e9fc696ec4a0e8b.jpg)
German Blue Ram Species Profile
Comet Goldfish Species Profile
:strip_icc()/GettyImages-1256828141-b36dc9e3f1de43a8ad315f14f749b879.jpg)
Pictus Catfish Species Profile
:strip_icc()/brown-aquarium-algae-1378629-FINAL-757b9049c61d44faa2fa646ee3d319e7.png)
How to Remove Brown Algae From Your Aquarium
:strip_icc()/GettyImages-1369439806-a21ec3a9ae1e4c53bf67410da2cbf0e9.jpg)
12 Corals to Consider for Your Reef Aquarium
:strip_icc()/GettyImages-1002745066-57a26448a2a9471abb73a53b1406de41.jpg)
What to Know About Undergravel Filters
:strip_icc()/ScreenShot2020-05-01at12.53.29PM-725a3ea0718e4284aa50c1b434afa613.png)
Build Your Own Glass Aquarium
:strip_icc()/goldfish--carassius-auratus--swimming-in-large-rectangular-fish-tank--73506453-5c43a338c9e77c0001fb757a.jpg)
Basic Types of Aquarium Filtration Systems
:strip_icc()/GettyImages-1145793968-cf2751a7d3564073997fc37bcf4c6250.jpg)
Aquarium Heater Size Guide
:strip_icc()/a0073-000122-56a81efd5f9b58b7d0f0dab3-5b43cb8946e0fb0037a4c4c0.jpg)
The 11 Most Common Mistakes Made by Saltwater Aquarium Keepers
:strip_icc()/GettyImages-1047787284-cca5584931d84d74ba5272bc06d3754f.jpg)
How to Control and Prevent Algae in Your Fish Tank