Compatibility brief
Can Denison's / red-line torpedo barb live with Discus?
Risky. This mix is commonly discouraged for typical setups.
Compatibility score
Profile confidence: medium
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
250L
Combined minimum footprint reference for these two species: about 250L (larger active fish often want more length).
Assessment details
Compatible temperaments
Both Denison's / red-line torpedo barb and Discus share a peaceful temperament.
Incompatible temperature requirements
Top issueDenison's / red-line torpedo barb needs 15–25°C and Discus needs 28–32°C. Their ranges do not overlap.
“Denison's / red-line torpedo barb needs 15–25°C and Discus…”
Incompatible temperature requirements
Next steps
Concrete changes, not "research more" filler.
- •Denison's / red-line torpedo barb should be kept in a group of at least 6 for best health and behaviour.
- •Discus should be kept in a group of at least 4 for best health and behaviour.
- •These fish cannot be comfortably housed together. Their temperature needs are incompatible.
- Seriously Fish. Sahyadria denisonii
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Sahyadria denisonii
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Sahyadria denisonii
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. Symphysodon aequifasciatus (discus complex representative)
Primary stand-in: Seriously Fish page for a common discus taxon. Trade 'discus' is often a mix of lineages, strains, and hybrids. Match your bag label, not a single name field here.
- FishBase. Symphysodon aequifasciatus
Taxonomy, distribution, and typical max length in natural/wild contexts (cross-check to aquarium import lines).
- Wikipedia. Discus (fish)
Encyclopaedia overview; use specialist aquarium sources for your stock's real temperature/pH/footprint needs.
Try this next
Build the full stocking list with Denison's / red-line torpedo barb + Discus
Plan further
Check each species’ mates list, size the glass, then verify the full stock in the builder. 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. Checked against several solid care sources that mostly agree.