Compatibility brief
Can Cockatoo / crested Apistogramma live with Ember Tetra?
Caution. Check the issues below before buying.
Compatibility score
Profile confidence: medium
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
100L
Combined minimum footprint reference for these two species: about 100L (larger active fish often want more length).
Cockatoo / crested Apistogramma (7cm adult) may treat small Ember Tetra (~2cm) as food once grown — plan adult sizes, not shop sizes.
Temperament gap (semi-aggressive vs peaceful) — needs space, structure, and careful observation, not a “drop and forget” mix.
Assessment details
Temperament difference
Top issueCockatoo / crested Apistogramma is semi-aggressive, while Ember Tetra is peaceful. Expect chasing or stress unless the tank is large and heavily structured — monitor closely.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
“Cockatoo / crested Apistogramma is semi-aggressive, while…”
Temperament difference
Next steps
Concrete changes, not "research more" filler.
- •Provide plenty of hiding spots and visual breaks so Ember Tetra can escape if harassed.
- •Ember Tetra should be kept in a group of at least 8 for best health and behaviour.
- Seriously Fish. Apistogramma cacatuoides
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Apistogramma cacatuoides
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Apistogramma cacatuoides
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. Hyphessobrycon amandae
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Hyphessobrycon amandae
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Hyphessobrycon amandae
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 Cockatoo / crested Apistogramma + Ember Tetra
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.