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Fish · Freshwater (Tropical)

Common Pleco

WaterFreshwater (Tropical)
Adult size18–24 in
Temperamentpeaceful
Socialsolo
Min tank125+ gal

⚠ Sold tiny but grows HUGE — avoid unless you have a massive tank

Overview

The Common Pleco (Hypostomus plecostomus) is a Freshwater (Tropical) fish growing to about 18–24 in and living 10–15 yrs. It's peaceful and best kept on its own. Plan a tank of at least 125+ gal. With a typical lifespan of around 13 years, it's a medium-length commitment.

Is the Common Pleco right for you?

A good match if — you want a calm community tank.

Think twice if — you wanted several of the same kind together.

What a Common Pleco needs from you

The ongoing work is water quality: filtration, regular water changes and stable parameters. As a tropical fish it needs a stable, heated tank. Keep it singly, or it will fight its own kind. Don't undersize the tank (minimum about 125+ gal).

Key facts

Water type
Freshwater (Tropical)
Scientific name
Hypostomus plecostomus
Adult size
18–24 in
Life span
10–15 yrs
Temperament
peaceful
Social needs
solo
Min. tank
125+ gal
Care level
intermediate
Notes
⚠ Sold tiny but grows HUGE — avoid unless you have a massive tank

What it needs from you (at a glance)

Space neededvery high
Experience neededmoderate
Maintenancehigh
Time per daylow
Need for companylow
Handling / closenessvery low
Cost levelhigh

What it costs

Scaled to this breed’s roughly 300 g and a ~13-year life, keeping a Common Pleco works out at about:

Setup & first year
$575 – $2,084
Over its whole life
$4,835 – $13,662

Rough cross-breed averages in USD — a planning guide, not a quote. Break it down by life phase in the Cost Calculator →

Temperament (at a glance)

Affectionno data yet
Energyno data yet
Vocalnessvery low
Trainabilityno data yet
Tolerates aloneno data yet