Giant Danio care

Devario aequipinnatus · Freshwater · Beginner level care

A big, fast danio that needs space.

Smallest tank55 gallons

Adult size4 inches

Temperature68 to 77°F

pH6.5 to 7.5

GroupA group of 8 or more

TemperamentSemi aggressive

SwimsTop of the tank

Lives4 to 6 years

Watch for: They can bully small, shy fish, so choose sturdy tankmates.

Feeding

Twice a day. A small pinch they finish in about 2 minutes, a little more for bigger fish. Flakes, pellets, frozen foods.

Jumps. Keep a tight lid on the tank.

Fish that pass every check with Giant Danio in a 110 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.

Tinfoil Barb: Tinfoil Barb grows big enough to eat Giant Danio.
German Blue Ram: German Blue Ram and Giant Danio need different water temperatures.
Discus: Discus and Giant Danio need different water temperatures.
Oscar: Oscar grows big enough to eat Giant Danio.
Green Terror: Green Terror grows big enough to eat Giant Danio.
Demasoni Cichlid: Demasoni Cichlid fight their own kind. Keep only one per tank.
Frontosa: Frontosa grows big enough to eat Giant Danio.
Gold Nugget Pleco: Gold Nugget Pleco and Giant Danio need different water temperatures.

What size tank does a Giant Danio need?

At least 55 gallons for a group of 8. Adults grow to about 4 inches, so plan for the adult size, not the size at the store.

What temperature does a Giant Danio like?

68 to 77 degrees Fahrenheit, with a pH of about 6.5 to 7.5. A steady temperature matters more than hitting one exact number.

How many Giant Danio should I keep together?

Keep 8 or more. They feel safe in a group and show better color and behavior.

What do Giant Danio eat?

Flakes, pellets, frozen foods. Feed twice a day: a small pinch they finish in about 2 minutes, a little more for bigger fish.

Checked against these sources on 2026-11-10. When sources disagree we use the safer number.