Compatibility Report
GuideMyTank compatibility analysis for Bloodfin Tetra and Celestial Pearl Danio.
Planning verdict
compatibleThis pair is a reasonable starting point when both species receive their required tank size, group size, water conditions, and routine care.
No automatic safety blocker was found.
Bloodfin Tetra and Celestial Pearl Danio receive a recommended verdict from the current structured assessment. Bloodfin Tetra is recorded as peaceful with an aggression level of 2/10; Celestial Pearl Danio is recorded as peaceful with an aggression level of 1/10. The recommendation is based on the combined water, space, behavior, grouping, and predation checks below rather than on species names alone.
Bloodfin Tetra has a recorded temperature range of 64–82°F and pH range of 6–8. Celestial Pearl Danio is recorded at 68–78°F and pH 6.5–7.5. Their shared planning window is 68–78°F for temperature and 6.5–7.5 for pH. A shared aquarium must stay inside the overlap rather than merely touching each species’ outer tolerance.
Bloodfin Tetra sets the larger listed base aquarium requirement at 20 gallons; the other listed minimum is 10 gallons. Bloodfin Tetra is the larger adult by the recorded maximum, reaching 2.2 inches, compared with 1 inches. These figures are starting constraints, not a stocking-capacity calculation, because the complete group sizes and bioload still matter.
Bloodfin Tetra is a active species associated with the mid zone and moderate flow. Celestial Pearl Danio is moderate, uses the mid zone, and has a moderate flow preference. Bloodfin Tetra should be planned as a group of at least 6, while celestial pearl danio should be planned as a group of at least 6. The aquarium must support both social structures without forcing either species into insufficient space.
Bloodfin Tetra is recorded as a omnivore with easy care, while Celestial Pearl Danio is a omnivore with intermediate care. Their listed preferred tank styles are planted and planted. Feeding access, cover, open swimming room, filtration, and observation should be planned around the more demanding requirement rather than averaged between the two species.
Use these pair-specific boundaries before treating the verdict as an acceptable stocking plan.
This pair is a reasonable starting point when both species receive their required tank size, group size, water conditions, and routine care.
These references support the underlying species records used by this assessment. They do not necessarily evaluate this exact pair together.
Continue with the most relevant care and compatibility resources for Bloodfin Tetra and Celestial Pearl Danio.