20 tank-size planning guides
Start with the glass you actually have.
Each guide offers complete concepts, not a shopping list of every animal that could survive the advertised volume.
01 · 19 litres
5 gallon
Single betta · Shrimp garden · Snail study
Explore stocking ideas →02 · 38 litres
10 gallon
Ember shoal · Endler display · Betta and snail
Explore stocking ideas →03 · 57 litres
15 gallon
Harlequin stream · Pygmy cory group · Honey centrepiece
Explore stocking ideas →04 · 76 litres
20 gallon
Softwater layers · Hardwater colour · Plant-led community
Explore stocking ideas →05 · 76 litres
20 gallon long
River floor · Subtropical motion · Kuhli dusk
Explore stocking ideas →06 · 76 litres
20 gallon high
Honey canopy · Pygmy layers · Platy garden
Explore stocking ideas →07 · 110 litres
29 gallon
Amazon calm · Gourami layers · Livebearer garden
Explore stocking ideas →08 · 114 litres
30 gallon
Black-neon layers · Bolivian territory · Hardwater livebearers
Explore stocking ideas →09 · 151 litres
40 gallon breeder
Acara territory · Large shoal · Barb movement
Explore stocking ideas →10 · 208 litres
55 gallon
Angelfish community · Rainbow shark river · Pearl canopy
Explore stocking ideas →11 · 246 litres
65 gallon
Angelfish height · Pearl canopy · Acara landscape
Explore stocking ideas →12 · 284 litres
75 gallon
Firemouth landscape · Discus preparation · Goldfish pair
Explore stocking ideas →13 · 341 litres
90 gallon
Rainbowfish movement · Angelfish shoal · Oscar focus
Explore stocking ideas →14 · 473 litres
125 gallon
Clown loach commitment · Common pleco focus · Large cichlid landscape
Explore stocking ideas →15 · 20 litres
20 litre
Betta retreat · Shrimp moss garden · Nerite nano
Explore stocking ideas →16 · 40 litres
40 litre
Chili cloud · Endler colour · Frog pair
Explore stocking ideas →17 · 60 litres
60 litre
Honey and embers · Cherry barb grove · Cory focus
Explore stocking ideas →18 · 100 litres
100 litre
Community layers · Bristlenose stream · Kuhli jungle
Explore stocking ideas →19 · 120 litres
120 litre
Pearl centrepiece · Ram territory · Subtropical shoals
Explore stocking ideas →20 · 200 litres
200 litre
Angelfish layers · Rainbow shark display · Firemouth community
Explore stocking ideas →