All species

Common pleco

Hypostomus plecostomus

Also called pleco, plec, plecostomus.

Sold tiny, reaches the size of a forearm. Almost always a mistake.

What it needs

Grows to
45 cm
Smallest sensible tank
850 L, at least 180 cm long
Temperature
23 to 28 °C
pH
6.5 to 7.8
Hardness
5 to 20 dGH
Kept in
ones or pairs
Temperament
peaceful
Eats
herbivore
Swims
near the bottom
How hard
easy

These are the figures the stocking advice is built on. Make a room and it will tell you whether common pleco fit the tank you have.