CheckMyFishTank

Emerald Eye Rasbora care

Brevibora dorsiocellata · Freshwater · Beginner level care

Emerald Eye Rasbora, painted illustration

A peaceful, hardy rasbora with a green sheen on the eye.

Smallest tank15 gallons
Adult size2 inches
Temperature73 to 77°F
pH5.5 to 7.5
GroupA group of 8 or more
TemperamentPeaceful
SwimsMiddle of the tank
Lives3 to 5 years
Watch for: Keep a group of eight or more so they feel safe.

Feeding

Twice a day. A small pinch they finish in about 2 minutes. Flakes, small pellets, frozen foods.

Good tank mates

Fish that pass every check with Emerald Eye Rasbora in a 40 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.

Do not mix with

  • Silver Dollar: Silver Dollar grows big enough to eat Emerald Eye Rasbora.
  • Tinfoil Barb: Tinfoil Barb grows big enough to eat Emerald Eye Rasbora.
  • White Cloud Mountain Minnow: White Cloud Mountain Minnow and Emerald Eye Rasbora need different water temperatures.
  • German Blue Ram: German Blue Ram and Emerald Eye Rasbora need different water temperatures.
  • Angelfish: Angelfish grows big enough to eat Emerald Eye Rasbora.
  • Discus: Discus and Emerald Eye Rasbora need different water temperatures.
  • Convict Cichlid: Convict Cichlid grows big enough to eat Emerald Eye Rasbora.
  • Oscar: Oscar grows big enough to eat Emerald Eye Rasbora.

Questions

What size tank does a Emerald Eye Rasbora need?

At least 15 gallons for a group of 8. Adults grow to about 2 inches, so plan for the adult size, not the size at the store.

What temperature does a Emerald Eye Rasbora like?

73 to 77 degrees Fahrenheit, with a pH of about 5.5 to 7.5. A steady temperature matters more than hitting one exact number.

How many Emerald Eye Rasbora should I keep together?

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

What do Emerald Eye Rasbora eat?

Flakes, small pellets, frozen foods. Feed twice a day: a small pinch they finish in about 2 minutes.

Sources

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