Can severums live with clown plecos?

Verdict
Yes

Yes. Severums and clown plecos make a good pair. Both are fine at 74–82°F. Plan on at least 55 gal.

SeverumSeverum74–84°F · pH 6–7 Clown plecoClown pleco73–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–82°Severum 74–84°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Severum 6–7Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Severum · 8 inClown pleco · 3.5 in0"1"2"3"4"5"6"7"8"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

SeverumClown pleco
Temperature74–84 °F73–82 °F
pH6–76.5–7.5
Adult size8.0 in3.5 in
Minimum tank55 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for severums

All severum tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can severums live with clown plecos?

Yes. Severums and clown plecos make a good pair. Both are fine at 74–82°F. Plan on at least 55 gal.

What temperature suits both severums and clown plecos?

74–82 °F. Severums need 74–84 °F, clown plecos need 73–82 °F.

What size tank do severums and clown plecos need together?

At least 55 gal, set by the severum. Add space for each extra fish.