Plecostomus in Outdoor Pond: Cold Tolerance and Plant Safety

Plecos Are Tropical—Remove Before Winter

Pleco in pond, doing well. Owner read they eat plants.

Critical: Temperature Limit

• Plecos die below 60°F (15°C).
• Must be moved indoors before water cools.
• In most of US, this means September/October.

Plant Interaction

• Juveniles: algae grazers, minimal plant damage.
• Adults (12"+): will eat soft plants, lily pads, hyacinth roots.
• Supplement with zucchini, cucumber, algae wafers to reduce plant grazing.

Action

Plan indoor winter housing (heated tank, 75+ gal for adult). Do not leave in pond.