Sponsored AdvantEDGE Sitewide Banner - Dog

Fish

Fish
Freshwater Fish

Freshwater Fish

Saltwater Fish

Saltwater Fish

Fish Pond

Fish Pond

Betta Fish

Betta Fish

Goldfish

Health & Wellness

Health & Wellness

General

General

Freshwater Fish

View all
Hyphessobrycon minor.A green beautiful planted tropical freshwater aquarium with fishes.tetra serpae (Hyphessobrycon eques) in a fish tank

Which Fish Can Live Together in a Community Fish Tank?

Photo of a red betta fish in a tank

The 10 Best Tropical Fish for Beginners

Photo of a bala shark in a fish tank

The 10 Best Freshwater Sharks for Your Fish Tank

Koi fish swimming in a pond

How To Build and Maintain a Koi Pond

Saltwater Fish

View all
pet seahorse swimming in tank

How To Care for a Pet Seahorse: A Complete Guide for Beginners

A Moorish idol fish swimming in blue waters

 Moorish Idol Fish Care Sheet

A colorful mandarin dragonet fish swimming in a saltwater aquarium

Mandarin Dragonet Care Sheet

Paracanthurus hepatus, Blue tang in Home Coral reef aquarium. Selective focus.

How To Set Up a Saltwater Aquarium

Fish Pond

View all
aerating a pond: Photo of a father and child watching fish beside a backyard pond

Ultimate How-To Guide on Aerating a Pond for Healthier Fish

filtering a pond: photo of a backyard pond

The Ultimate Guide To Filtering a Pond: Techniques and Products

photo of a backyard pond with liner surrounded by rocks and grass

How To Install a Pond Liner

Koi fish swimming in a pond

How To Build and Maintain a Koi Pond

Betta Fish

View all
single betta fish swimming in a tank

What Size Betta Tank Do I Need? A Complete Betta Fish Tank Size Guide

a beautiful half moon betta fish without fish fin rot floats in fish tank.

Betta Fish Fin Rot: Symptoms, Causes, and Treatment

blue and red betta fish swimming

5 Fascinating Betta Fish Facts

Betta Fish Care Guide: Habitat, Feeding, and Health

Goldfish

View all
single goldfish swimming in a tank

What Size Goldfish Tank Do I Need?

Lifestyle, " A beautiful, extreme close up, goldfish in an Aquarium."

What Do Goldfish Eat? Your Guide to Pet Goldfish Food

A beautiful goldfish swims in a fish tank

12 Types of Goldfish

3 Common Mistakes of Goldfish Care

Health & Wellness

View all
Tiny, colorful fish swim in an aquarium with lots of greenery.

How Long Can Fish Go Without Food? 5 Ways to Keep Your Underwater Friend Safe on Vacation

What Causes Cloudy Eyes In Aquarium Fish?

Algae Problem In Your Fish Tank? Find Out Which Species Really Eat Algae

Identifying And Treating Swim Bladder Disease

General

View all
tiger barb fish swimming in a fish tank

Barbs Care Sheet

Two tetra fish swimming in a fish tank

Tetra Fish Care Sheet

Colorful fish tank with single fish in front

How To Heat Your Home Aquarium Safely and Effectively

several glofish swimming in a tank

How To Care for GloFish: A Complete Beginner’s Guide

Explore all Fish

Showing 1-16 of 137 articles

Whether you're a first-time aquarist or an experienced fishkeeper, the Fish Education Hub is your starting point for expert care. Learn about tank maintenance, feeding, water chemistry, and species compatibility in freshwater, saltwater, and pond environments.