How to Care for Freshwater Fish

Get tips on caring for your freshwater fish and maintaining your freshwater aquarium.
Tropical fish community tank
Best Tankmates for Tropical Fish
Bristlenose fish
Do You Have Cannibalistic Fish?
A white goldfish in its tank.
70 White Fish Name Ideas
Red tail catfish
Can You Keep a Catfish as a Pet?
marbled hatchetfish
Names of Fish Species Beginning With M
Two silver arowana in a planted aquarium
12 Large Fish for Freshwater Aquariums
School of Ember Tetras Hyphessobrycon amandae
Ember Tetra: Fish Species Profile
Scarlet badis dario dario
Scarlet Badis: Fish Species Profile
Bubble Eye Goldfish
Bubble Eye Goldfish: Fish Species Profile
Tank school of goldfish
13 Types of Goldfish From Comets To Fantails
Two fan tail goldfish in an aquarium
Fantail Goldfish: Fish Species Profile
Tank full of Boesemani rainbow fish and bala shark
25 Colorful Species of Rainbowfish
Skunk Cory
Skunk Cory: Fish Species Profile
Orange and white black-spotted fish swimming in aquarium
25 Small Aquarium Fish for Your Freshwater Tank
Bright blue and pink beta fish swimming in fresh-water tank closeup
The 11 Easiest Fish to Take Care Of For New Fish Parents
Harlequin rasbora fish with yellow and black scales swimming closeup
Harlequin Rasbora (Red Rasbora) Fish Species Profile
Neon tetra fish with aqua blue stripe and red tail closeup
Neon Tetra: Fish Species Profile
Coldwater Fish Species
11 Cold Water Fish for Your Freshwater Aquarium
Bristlenose Catfish
Bristlenose Pleco Fish Species Profile
Platy fish with variegated pattern of purple and yellow glittery scales
Varieties of Platy Fish (Xiphophorus spp.)
Guppy fish with orange fins swimming in tank
Guppy: Fish Species Profile
Gold barb fish swimming with gold and black-spotted scales closeup
Barb: Fish Species Profile
Silver and green striped angelfish swimming in tank with underwater foliage
10 Best Angelfish for Freshwater Aquariums
Betta fish with vibrant blue-purple and black scales swimming
Betta Fish (Siamese Fighting Fish) Fish Species Profile
Cory catfish swimming in aquarium tank with white pebbles
12 Cory Catfish Species For Your Aquarium Tank
Gold Barb - Puntius semifasciolatus
Gold (Chinese) Barb Fish Species Profile
Yellow and black 3 spot gourami fish swimming
10 Species of Gourami Fish for Your Tank
Illustration of the lifespan of popular aquarium fish
Average Lifespans of Common Aquarium Fish Species
Gourami fish with blue and orange striped scales swimming
Care and Breeding of Gourami Fish
White cloud mountain minnow fish with gray scales and orange fins closeup
White Cloud Mountain Minnow Fish Species Profile
Neon Tetras in Planted Fish Tank
Which Freshwater Fish Species Are Best for Heated Tanks?
Silver scaled goldfish swimming in tank closeup
15 Classic Goldfish Names
Pompadour fish with white spots on red and yellow scales and fins
Symphysodon Discus - Pompadour Fish
Pearl Danio, Danio albolineatus fish
Pearl Danio Fish Species Profile
Clown loach
Clown Loach Fish Species Profile
Stunning red killifish swimming in an aquarium.
Everything You Need to Know About Killifish
Butterflyfish swimming above coral in an aquarium
Methylene Blue for Fish
Swordtail fish profile
Swordtail Fish Species Profile
Silver and black striped cichlid fish swimming in aquarium
Cichlids, a Large Family of Diverse Aquatic Life Spanning the Globe
Shubunkin goldfish in a tank
Shubunkin: Fish Species Profile
Trichogaster leeri - Pearl Gourami
Pearl Gourami Fish Species Profile
Blood parrot showing small mouth
Blood Parrot Cichlid Fish Species
Pepper corydora sifting through substrate
11 Top Catfish Species for Your Aquarium
Fish swimming in an aquarium tank
The Anatomy of Fish
Carinotetraodon travancoricus
Pea Puffer: Fish Species Profile
Cardinal tetra fish with shiny blue scales on top half and red scales on bottom half
Cardinal Tetra: Fish Species Profile
Amano shrimp sitting on a plant
Amano Shrimp Species Profile
Weather loach
Weather Loach for Your Aquarium
Cherry barb in an aquarium
Cherry Barb: Fish Species Profile
Puntius conchonius - Rosy Barb
Rosy Barb (Red Barb) Fish Species Profile
Triggerfish
Triggerfish Family Balistidae Profile
Oscar cichlid
Oscar: Fish Species Profile
Dalmatian Molly fish with black spots swimming near aquatic plants
Molly Fish Species Profile
Tiger Barb - Barbus tetrazona
Tiger Barb Fish Species Profile
Goldfish in a tank
How to Take Care of Goldfish
dwarf gourami
Dwarf Gourami Fish Species Profile
Siamese algae eater fish swimming upward with black stripe down side
Common Fish Names Beginning With 'S'
Betta fish foraging for food
How Much to Feed Your Betta Fish
Siamese Fighting fish swimming against a white background.
Commonly Asked Questions About Bettas
Two betta fish facing off
Why Do Betta Fish Fight?
Yellow and white koi fish swimming near water surface
Koi (Nishikigoi) Fish Species Profile
Congo Tetra Community Aquarium Fish
Congo Tetra: Fish Species Profile
Zebrafish (Danio rerio) aquarium fish
Zebra Danio (Zebrafish) Fish Species Profile
Small forktailed rainbowfish near bottom of fish tank with pebbles
Forktailed Rainbowfish Species Profile

More in Freshwater Fish & Aquariums:

Freshwater Fish Breeds Freshwater Aquarium Basics Freshwater Fish Health Freshwater Aquariums & Habitat Freshwater Aquarium Filters Freshwater Aquarium Pests