Species

Diamond tetra

Moenkhausia pittieri

easypeacefulmiddle swimmerCharacidae
Add 6 to my tank
Diamond tetra

Photo: SOK · CC BY-SA 4.0

Tank length
75 cm30 in
Group
6+
Temperature
24–28 °C75–82 °F
pH
5.5–7.5
Adult size
5 cm2 in
Lifespan
3–6 yrs

Adults need more room than their small shop size suggests.Adults need more room than their small shop size suggests.

Tank sizes

Good tankmates

Avoid with

Data used by the planner
Temperature24–28AqAdvisor (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
OriginSouth Americacurated-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 group6curated-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 length75curated-v0 (needs expert review) · medium confidence