Garnet tetra (Hemigrammus pulcher)

Family: Characidae

Garnet tetra — a Characidae from South America and the Philippines. Reaches 2.5–3.6 cm; keep at 23–27 °C.

Care parameters

Water temperature
23–27 °C
pH
5–6
GH hardness
5–12 dGH
Adult length
2.5–3.6 cm
Minimum tank
25 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; larger species predatory
Origin
South America and the Philippines

Species overview

A Characidae species native to South America and the Philippines: Hemigrammus pulcher lives bottom-dwelling over blackwater streams and flooded forest. Mostly peaceful; larger species predatory. Adults reach 2.5–3.6 cm. It is one of the aquarium-kept Hemigrammus species we profile, alongside Hemigrammus bleheri, Hemigrammus ocellifer, Hemigrammus rhodostomus.

Native biotope

Habitat
Blackwater streams and flooded forest
Flow
Still to gentle current
Dissolved O₂
Moderate

Aquascape & hardware

Substrate
Dark sand and leaf litter
Hardscape
Driftwood and dense plant edges
Plants
Floating and shaded plants appreciated

Temperament, diet & tankmates

Schooling
Strong shoalers; keep in groups of 8 or more
Diet
Omnivore with carnivorous tilt
Recommended tankmates
  • Similar-sized peaceful community fish — Similar size and water needs
Avoid keeping with
  • Much smaller fish — May outcompete or bully tiny tankmates

Breeding & notes

Sexual dimorphism
Subtle; females fuller-bodied
Breeding method
Egg-scatterer among fine plants

Frequently asked questions

Is Garnet tetra easy to keep?

Intermediate difficulty. Mostly peaceful; larger species predatory; strong shoalers; keep in groups of 8 or more.

What temperature and water chemistry does Garnet tetra need?

Set the heater to 23–27 °C and avoid swings. pH 5–6, GH 5–12 dGH suit it.

How big does Garnet tetra get, and what tank size?

Adults reach 2.5–3.6 cm; it is bottom-dwelling. Plan for at least 25 litres.

What does Garnet tetra eat?

Omnivore with carnivorous tilt. It forages naturally over dark sand and leaf litter, so let some food reach the bottom.

Can Garnet tetra live with other fish?

Yes, with care. Mostly peaceful; larger species predatory — pair it with Similar-sized peaceful community fish — Similar size and water needs and skip Much smaller fish — May outcompete or bully tiny tankmates.

Where does Garnet tetra come from?

Its home waters are South America and the Philippines — blackwater streams and flooded forest, with still to gentle current.

Does Garnet tetra jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Garnet tetra breed?

Egg-scatterer among fine plants. Subtle; females fuller-bodied.