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Compatibility

Compatibility brief

Can Bloodfin tetra live with German Blue Ram?

VerdictCAUTION

Caution. Check the issues below before buying.

Bloodfin tetra + German Blue Ram: Narrow temperature overlap. Bloodfin tetra and German Blue Ram have only a narrow shared temperature range. Maintaining stable water temperature will be important. Outcomes still depend on your tank shape, maintenance routine, and individual fish.

Compatibility score

72/100

Profile confidence: medium

Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.

Min tank

80L

Combined minimum footprint reference for these two species: about 80L (larger active fish often want more length).

Temperature
Range in °C2628°C shared
Bloodfin tetraGerman Blue RamShared window
pH
Range67 shared
Bloodfin tetraGerman Blue RamShared window

Assessment details

  1. Compatible temperaments

    Both Bloodfin tetra and German Blue Ram share a peaceful temperament.

  2. Narrow temperature overlap

    Top issue

    Bloodfin tetra and German Blue Ram have only a narrow shared temperature range. Maintaining stable water temperature will be important.

Bloodfin tetra and German Blue Ram have only a narrow shared…

Narrow temperature overlap

Next steps

Concrete changes, not "research more" filler.

  • Bloodfin tetra should be kept in a group of at least 6 for best health and behaviour.

Try instead

  • Bloodfin tetra should be kept in a group of at least 6 for best health and behaviour.
Sources from both profiles
Only URLs that exist on the species records are shown. We do not fabricate citations.
  • Seriously Fish. Aphyocharax anisitsi

    Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).

  • FishBase. Aphyocharax anisitsi

    Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.

  • Wikipedia. Aphyocharax anisitsi

    Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.

  • Seriously Fish. Mikrogeophagus ramirezi

    Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).

  • FishBase. Mikrogeophagus ramirezi

    Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.

  • Wikipedia. Mikrogeophagus ramirezi

    Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.

Try this next

Build the full stocking list with Bloodfin tetra + German Blue Ram

Plan further

Try both species in the full-stock tank check, or open either fish profile for mates lists. Methodology explains how verdicts are produced.

Individual fish vary in personality. Fishori uses conservative hobby rules. Observe any new introduction closely, feed thoughtfully, and keep a quarantine or backup plan. This is not veterinary advice.

Profile data confidence: high. Based on multiple reputable aquarium care sources with strong agreement.