Can yoyo loaches live with severums?

Verdict
Yes

Yes. Yoyo loaches and severums get along in the same tank. Both are fine at 75–84°F. Plan on at least 55 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–84°Yoyo loach 75–86°Severum 74–84°
The green band is the temperature range both can live in.
456789Both: 6–7Yoyo loach 6–7.5Severum 6–7
The green band is the pH both tolerate.

Size to scale

Yoyo loach · 5 inSeverum · 8 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

Yoyo loachSeverum
Temperature75–86 °F74–84 °F
pH6–7.56–7
Adult size5.0 in8.0 in
Minimum tank40 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupGroups of 5+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for yoyo loaches

All yoyo loach tank mates

Better tank mates for severums

All severum tank mates

Questions

Can yoyo loaches live with severums?

Yes. Yoyo loaches and severums get along in the same tank. Both are fine at 75–84°F. Plan on at least 55 gal.

What temperature suits both yoyo loaches and severums?

75–84 °F. Yoyo loaches need 75–86 °F, severums need 74–84 °F.

What size tank do yoyo loaches and severums need together?

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