Serpae tetra Tank Mates

Short answer: the best serpae tetra tank mates are Dwarf gourami, Bristlenose pleco, Molly, Nerite snail, Amano shrimp, Endler's livebearer. Serpae tetras need 68โ€“82 ยฐF (20โ€“28 ยฐC), pH 5โ€“7.5 and at least 20 gallons. Keep them in a group of 6 or more.

Hyphessobrycon eques ยท rated against 71 species ยท check your own combination

Serpae tetra care at a glance

Adult size1.8 in (4.5 cm)
Minimum tank20 US gallons
Temperature68โ€“82 ยฐF (20โ€“28 ยฐC)
pH5โ€“7.5
TemperamentSemi-aggressive
Swims inMiddle
Group sizeGroups of 6+
Care levelEasy

Sources: Seriously Fish ยท FishBase. Last reviewed 2026-11-04.

gallon tank

โœ… Compatible tank mates (27)

โš ๏ธ Possible with caution (34)

โŒ Not recommended (10)

How many serpae tetras per tank?

20 gal 29 gal 40 gal 55 gal 75 gal โ€” see what else fits with our stocking calculator.

FAQ

What fish can live with serpae tetras?

Good matches include Dwarf gourami, Bristlenose pleco, Molly, Nerite snail, Amano shrimp, Endler's livebearer. They share a temperature range with serpae tetras (68โ€“82 ยฐF (20โ€“28 ยฐC)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with serpae tetras?

Avoid Betta fish, Guppy, Fancy goldfish, Angelfish, Oscar, Electric yellow cichlid.

What size tank do serpae tetras need?

We recommend at least 20 US gallons for a group of 6 serpae tetras, more if you add tank mates.

Can serpae tetras live alone?

No. Serpae tetras are social and should be kept in groups of at least 6.

Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.