The serpae tetra (Hyphessobrycon eques) is a semi-aggressive fish that grows to about 1.75 inches and spends its time in mid-water. Keep at least 6 together, in a tank of 20 gallons or more, at 72–79°F and pH 5.5–7.5.
20 galsmallest tank
1.75″adult size
72–79°Ftemperature
5.5–7.5pH
6+group size
Semi-aggressivetemperament
Good tankmates
Avoid
- ✕Guppy: Serpae tetra nip fins; Guppy has long fins.
- ✕Betta: Serpae tetra nip fins; Betta has long fins.
- ✕Dwarf gourami: Dwarf gourami attacks, or is attacked by, Serpae tetra.
- ✕Pearl gourami: Serpae tetra nip fins; Pearl gourami has long fins.
- ✕Paradise fish: Paradise fish is aggressive and best kept alone.
- ✕Angelfish: Serpae tetra nip fins; Angelfish has long fins.
- ✕Convict cichlid: Convict cichlid is aggressive and best kept alone.
- ✕Oscar: Oscar is aggressive and best kept alone.
From TankCoach's own species data: common hobby guidance for adults, rounded. Individual fish vary. Not veterinary advice.