CheckMyFishTank

Scissortail Rasbora care

Rasbora trilineata · Freshwater · Beginner level care

Scissortail Rasbora, painted illustration

A big, fast rasbora with a scissor like tail.

Smallest tank55 gallons
Adult size5 inches
Temperature72 to 79°F
pH6 to 7.5
GroupA group of 6 or more
TemperamentPeaceful
SwimsTop of the tank
Lives5 to 6 years
Watch for: They are strong jumpers, so use a lid.

Feeding

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

Jumps. Keep a tight lid on the tank.

Good tank mates

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

Do not mix with

  • German Blue Ram: German Blue Ram and Scissortail Rasbora need different water temperatures.
  • Discus: Discus and Scissortail Rasbora need different water temperatures.
  • Convict Cichlid: Convict Cichlid is aggressive and will bully peaceful Scissortail Rasbora.
  • Jack Dempsey: Jack Dempsey is aggressive and will bully peaceful Scissortail Rasbora.
  • Green Terror: Green Terror is aggressive and will bully peaceful Scissortail Rasbora.
  • Red Zebra Cichlid: Red Zebra Cichlid is aggressive and will bully peaceful Scissortail Rasbora.
  • Cobalt Blue Zebra: Cobalt Blue Zebra is aggressive and will bully peaceful Scissortail Rasbora.
  • Kenyi Cichlid: Kenyi Cichlid is aggressive and will bully peaceful Scissortail Rasbora.

Questions

What size tank does a Scissortail Rasbora need?

At least 55 gallons for a group of 6. Adults grow to about 5 inches, so plan for the adult size, not the size at the store.

What temperature does a Scissortail Rasbora like?

72 to 79 degrees Fahrenheit, with a pH of about 6 to 7.5. A steady temperature matters more than hitting one exact number.

How many Scissortail Rasbora should I keep together?

Keep 6 or more. They feel safe in a group and show better color and behavior.

What do Scissortail Rasbora eat?

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

Sources

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