Species

Flame tetra

Hyphessobrycon flammeus

easypeacefulmiddle swimmerCharacidae
Add 8 to my tank
Flame tetra
Tank length
14 cm6 in
Group
8+
Temperature
24–27 °C75–81 °F
pH
5.5–7.5
Adult size
3.5 cm1.4 in
Lifespan
3–5 yrs

Tolerates cooler water than most tetras and colours up best in a well-planted tank with a group of eight or more.Tolerates cooler water than most tetras and colours up best in a well-planted tank with a group of eight or more.

Tank sizes

Good tankmates

Avoid with

Data used by the planner
Temperature24–27AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence
pH5.5–7.5AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence
Hardness (dGH)1–15AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence
OriginCoastal rivers near Rio de Janeiro, Brazilcurated-v0 (needs expert review) · low confidence
Beginner friendlyYescurated-v0 (needs expert review) · medium confidence
Care leveleasycurated-v0 (needs expert review) · medium confidence
Activitymoderatecurated-v0 (needs expert review) · medium confidence
Swimming levelmiddlecurated-v0 (needs expert review) · medium confidence
Temperamentpeacefulcurated-v0 (needs expert review) · medium confidence
Nips finsNocurated-v0 (needs expert review) · medium confidence
Long finsNocurated-v0 (needs expert review) · medium confidence
TerritorialNocurated-v0 (needs expert review) · medium confidence
Lives in groupsYescurated-v0 (needs expert review) · medium confidence
Minimum group8curated-v0 (needs expert review) · medium confidence
Dietomnivorecurated-v0 (needs expert review) · medium confidence
Lifespan (years)3–5curated-v0 (needs expert review) · low confidence
Months to adult size6curated-v0 (needs expert review) · low confidence
Safe with plantsYescurated-v0 (needs expert review) · medium confidence