Can Molly and Red Tail Shark live together?

Molly and Red Tail Shark are compatible. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Molly vs Red Tail Shark

Molly

Poecilia sphenops

Red Tail Shark

Epalzeorhynchos bicolor

Verdict:Compatible

Side-by-side specs

Livebearers

Family

Sharks

4″

Adult size

5″

20gal

Min tank

55gal

72–82°F

Temperature

72–79°F

7.5–8.5

6.5–7.5

peaceful

Temperament

semi-aggressive

Schooling

Solitary

mid

Water level

bottom

Try both in the builder →Compare different species