Can Guppy Live With Discus?

❌Not Compatible

Guppy and Discus are not compatible due to size mismatch or behavioral conflicts.

Parameter Comparison

Parameter	Guppy	Discus	Overlap
Temperature	72–82°F	81–88°F	82–82°F ✓
pH Range	6.8–7.8	5.5–7	6.8–7 ✓
Temperament	peaceful	semi-aggressive	Monitor ⚠
Max Size	2.4"	7.9"	Size mismatch ✗
Min Tank Size	11 gal	53 gal	55 gal minimum together
Diet	Omnivore	Omnivore	—
Care Level	beginner	advanced	—

Species Profiles

Guppy

Poecilia reticulata

beginnerpeaceful11+ gal

The Guppy (Poecilia reticulata) is a beginner freshwater species known for its multi-color (varies by strain) coloration. Extremely popular. Top to Mid.

Full care guide →

Discus

Symphysodon spp.

advancedsemi-aggressive53+ gal

The Discus (Symphysodon spp.) is a advanced freshwater species known for its multi-color (red, blue, brown, green variants) coloration. King of freshwater fish. Mid.

Full care guide →

Other Compatible Tank Mates

For Guppy:

neon tetra corydoras catfish cherry shrimp mystery snail nerite snail harlequin rasbora

For Discus:

cardinal tetra rummy nose tetra corydoras catfish bristlenose pleco otocinclus cherry shrimp