Spotted pleco

Care at a glance

Overview

Despite the small size at purchase, this fish grows fast and gets big, so plan on a tank of at least 300 liters and larger if you can manage it. Keep just one per tank, since males are territorial toward other plecos unless the system is very large. They are mostly peaceful toward other species and sit on the bottom, grazing at night. They are heavy waste producers, so run oversized filtration with good flow and do large, frequent water changes. Do not treat them as a cleanup crew. Feed them properly with sinking wafers, blanched vegetables, and the occasional bit of protein. Their bulk can uproot plants and knock over decor, so anchor things down. These are often sold generically as common plecos and can outgrow a casual setup, so never release one into local waterways and check your local rules, since large plecos are restricted in some regions.

In the wild

Spotted plecos come from coastal river drainages in southeastern Brazil, including fast-flowing stretches with plenty of current. They are armored suckermouth catfish that rasp at surfaces and wedge into cover, so give them sand or smooth gravel, driftwood to graze and chew on, and snug caves to hole up in during the day. They are hardy on water chemistry and do fine across a pH of 6 to 7.8 and a temperature of 22 to 28 C. Strong flow suits them, since that matches the rivers they live in.

Good to know

This is Hypostomus punctatus, a large catfish in the family Loricariidae that reaches about 30 cm as an adult. It is long lived, often 10 to 15 years or more. There is no reliable record of it breeding in home aquariums, since it is a big fish that spawns in burrows, so the fish you buy are pond or farm raised commercially.

Did you know

The mouth works like a suction cup, which lets the fish cling to rocks and wood in strong current while it rasps off algae and detritus. It also rasps at driftwood, and many keepers find that a piece of bogwood in the tank slowly gets worn down over the years.

Related species

• 

  Common pleco

  Hypostomus plecostomus

  15.7 in (40 cm)85 gal (320 L)72–86°F (22–30°C)

• 

  Blue-eyed pleco

  Panaque cochliodon

  11.8 in (30 cm)119 gal (450 L)73–82°F (23–28°C)

• 

  Gold nugget pleco

  Baryancistrus sp. cf. xanthellus

  9.8 in (25 cm)55 gal (210 L)81–90°F (27–32°C)
• Blue Phantom Pleco (L128)

  Hemiancistrus sp. L128

  9.8 in (25 cm)66 gal (250 L)81–86°F (27–30°C)

• 

  Sultan Pleco (L264)

  Leporacanthicus joselimai

  8.7 in (22 cm)66 gal (250 L)79–86°F (26–30°C)

• 

  Royal pleco

  Panaque nigrolineatus

  16.9 in (43 cm)125 gal (473 L)72–82°F (22–28°C)