CheckMyFishTankBlack Phantom Tetra care
Hyphessobrycon megalopterus · Freshwater · Beginner level care
A peaceful tetra with a black patch on each side.
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 Black Phantom Tetra 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 Black Phantom Tetra.
- Tinfoil Barb: Tinfoil Barb grows big enough to eat Black Phantom Tetra.
- Angelfish: Angelfish grows big enough to eat Black Phantom Tetra.
- Discus: Discus and Black Phantom Tetra need different water temperatures.
- Convict Cichlid: Convict Cichlid grows big enough to eat Black Phantom Tetra.
- Oscar: Oscar grows big enough to eat Black Phantom Tetra.
- Jack Dempsey: Jack Dempsey grows big enough to eat Black Phantom Tetra.
- Firemouth Cichlid: Firemouth Cichlid grows big enough to eat Black Phantom Tetra.
Questions
What size tank does a Black Phantom Tetra need?
At least 20 gallons for a group of 8. Adults grow to about 1.75 inches, so plan for the adult size, not the size at the store.
What temperature does a Black Phantom Tetra like?
72 to 80 degrees Fahrenheit, with a pH of about 6 to 7. A steady temperature matters more than hitting one exact number.
How many Black Phantom Tetra should I keep together?
Keep 8 or more. They feel safe in a group and show better color and behavior.
What do Black Phantom Tetra 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.