Compatibility directory

Freshwater Angelfish and Guppy compatibility

Significant concerns

Compare these records as a starting point, then account for the actual tank, group size, individual behavior, hiding space, diet, and current health.

Freshwater Angelfish

Pterophyllum scalare
Temperature
75–82°F
pH
6–7
Minimum tank
30 US gal
Temperament
Semi-Aggressive

Guppy

Poecilia reticulata
Temperature
72–82°F
pH
7–8.5
Minimum tank
10 US gal
Temperament
Peaceful
Compatibility signals
  • Very tight pH overlap
  • Narrow hardness overlap
  • Temperament conflict: semiaggressive + peaceful
Catalog provenance

Built from immutable TankForge catalog IDs. Source confidence: high / medium. See the catalog methodology before making a stocking decision.