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Can Swordtail and Otocinclus Live Together?

Compatible with caution
  • Shared temperature window: 72-79°F.
  • Shared pH window: 7.0-7.5.
  • Otocinclus may fit in Swordtail's mouth as it grows; watch closely.

Side-by-side

ParameterSwordtailOtocinclus
Adult size5.5"1.5"
Min tank20 gal10 gal
Temperature72-82°F72-79°F
pH7-8.46-7.5
TemperamentPeacefulPeaceful
DietOmnivoreHerbivore

Recommended shared tank: 20 gallons or larger. Keep at 72-79°F. Target pH 7.0-7.5.

FAQ

Can Swordtail and Otocinclus live together?

Compatible with caution. Shared temperature window: 72-79°F.

What size tank do Swordtail and Otocinclus need together?

Plan for at least 20 gallons, more if you keep schooling groups of either species.

See full care guides: Swordtail · Otocinclus