Blood Tetra (Hyphessobrycon pyrrhonotus)

Family: Characidae

Blood Tetra — a Characidae from South America. Reaches 3.4–5 cm; keep at 24–27 °C.

Care parameters

Water temperature
24–27 °C
pH
5.6–7.5
GH hardness
5–15 dGH
Adult length
3.4–5 cm
Minimum tank
30 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; larger species predatory
Origin
South America

Species overview

Hyphessobrycon pyrrhonotus, a member of the family Characidae, comes from South America, where it inhabits blackwater streams and flooded forest. Mostly peaceful; larger species predatory and omnivore with carnivorous tilt, it grows to 3.4–5 cm and adapts well to a properly set-up aquarium in the 24–27 °C range. Other Hyphessobrycon species in our database include Hyphessobrycon amandae, Hyphessobrycon herbertaxelrodi, Hyphessobrycon eques.

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 Blood 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 Blood Tetra need?

Aim for 24–27 °C. Heater for stable tropical warmth; 24–27 °C recorded range.

How big does Blood Tetra get, and what tank size?

Expect 3.4–5 cm as an adult, living bottom-dwelling. A 30 L tank or larger gives it room.

What does Blood Tetra eat?

Omnivore with carnivorous tilt. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Blood Tetra live with other fish?

Mostly peaceful; larger species predatory. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.

Where does Blood Tetra come from?

Native to South America, where it lives in blackwater streams and flooded forest. Still to gentle current; Moderate.

Does Blood Tetra jump?

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

How does Blood Tetra breed?

In the aquarium: egg-scatterer among fine plants. Subtle; females fuller-bodied.