A leading resource for fish keeping advice | It's A Fish Thing

small pond in the backyard

Pond Water Temperature: Everything You Need to Know

fish pond filled with moss

How to Get Rid of Moss in Ponds (Without Harming Fish)

koi fish eating pellets

What Do Koi Fish Eat in Ponds and in the Wild?

seahorse inside tank

10 Best Tank Mates for Seahorse (Compatibility Guide 2022)

pond plants

How to Get Rid of Pond Scum (Without Harming Fish)

feeding betta fish

Daphnia for Betta Fish: What You Need to Know

Clownfish swimming in an aquarium

17 Best Reef Safe Fish for your Marine Tank

koi fish

15 Best Fish to Keep in Backyard Ponds

betta fish in bowl

Can I Keep Betta Fish in a Vase? Is It Humane?

koi in pond

Where Do Koi Fish Come From? (Origin & History)

Killifish

12 Best Tank Mates for Killifish (Compatibility Guide 2022)

group of sea turtles

8 Types of Pond Turtles (With Pictures)

sea lobster in sand

How Do Lobsters Communicate? (Yes, They Pee at Each Other)

cichlids in aquarium

How Do Fish Communicate With Each Other?

crab in sand

Do Crabs Feel Pain? Everything You Need to Know

Electric-eel-in-freshwater-aquarium_tristan-tan_shutterstock

What Do Eels Eat in the Wild and as Pets?

Ghost Shrimp

What Do Ghost Shrimp Eat in the Wild and as Pets?

Porcupine Puffer Fish

5 Best Tank Mates for Porcupine Puffer Fish (Compatibility Guide 2022)

dwarf pufferfish in aquarium

What Do Pufferfish Eat in the Wild and as Pets?

school of red and yellow discus

21 Most Colorful Freshwater Aquarium Fish (with Pictures)

mix colors of platy fishes in a tank

8 Best Fish for a 20-Gallon Tank and How Many Can You Fit?

duckweed in pond

How to Get Rid of Duckweed in a Pond (Without Harming Fish)

lots of guppies swimming

8 Best Fish Species for Planted Tanks (with Pictures)

lobster underwater

Do Lobsters Feel Pain? Everything You Need to Know!

Three gallon betta fish aquarium with live aquatic plants

Is My Betta Filter Current Too Strong? (And How to Fix It)

silver arowana fish in aquarium

10 Best Tank Mates for Arowanas (Compatibility Guide 2022)

large betta fish

Depressed Betta Fish: Symptoms, Causes & Treatments

congo tetra fish in aquarium

10 Best Tank Mates for Congo Tetras (Compatibility Guide 2022)

koi fish in aquarium

Do Koi Fish Hibernate? Everything You Need to Know!

red betta in Aquarium

Betta Hole in the Head Disease: Symptoms & Treatment