20 gallon Long is the perfect size tank
Fish Tank Showdown: 20 Gallon High vs 20 Long!
29 Gallon Aquarium vs 20 Gallon Long Aquarium: Which is Best?
Top 5 Fish Ideas For a 20 Gallon Long Aquarium [ft. Girl Talks Fish]
Top 5 Reptiles That Can Live in 20 Gallon Tanks FOREVER!
Best Fish For 20 Gallon Tank - Top Picks Explained in 13 Minutes
Why These Are My FAVORITE Aquarium Sizes
GETTING A 20 GALLON TANK !!!
20 gallon tank for Oscar
Fish You Can Keep Together in a 20 Gallon Community Aquarium: So Many Options!
20 Gallon Stocking Ideas YOU CAN COPY!!
Top 5! Center Piece Fish For Your 20 Gallon Aquarium
The BEST Ideas for your 20 Gallon Aquarium
The BEST Fish Tank Sizes on The Planet!
Top 5 BEST Fish for a 20 Gallon Aquarium!
Setting up my 20 gallon long aquarium
MY TOP 7 BEST AQUARIUM FISH FOR 20 GALLON AQUARIUMS
Complete 20 gallon long tank build and setup with stand and sump.
What's In My 20 Gal Long Fish Tank
Top 10 UNIQUE Fish for Your 20 Gallon Aquarium