Species

Rummy-nose tetra

Petitella bleheri

easypeacefulmiddle swimmerCharacidae
Add 8 to my tank
Rummy-nose tetra

Photo: Soulkeeper · CC BY-SA 3.0

Tank length
80 cm31 in
Group
8+
Temperature
23–26 °C73–79 °F
pH
5.5–7.5
Adult size
4.5 cm1.8 in
Lifespan
3–6 yrs

A long clear swimming lane helps the group move together.A long clear swimming lane helps the group move together.

Tank sizes

Good tankmates

Avoid with

Data used by the planner
Temperature23–26AqAdvisor (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 · low confidence
Hardness (dGH)1–15AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence
OriginSouth Americacurated-v0 (needs expert review) · low confidence
Beginner friendlyYescurated-v0 (needs expert review) · medium confidence
Care leveleasycurated-v0 (needs expert review) · medium confidence
Activityactivecurated-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)3–6curated-v0 (needs expert review) · low confidence
Months to adult size12curated-v0 (needs expert review) · low confidence
Safe with plantsYescurated-v0 (needs expert review) · medium confidence
Minimum tank length80curated-v0 (needs expert review) · medium confidence