What are the other uses of plecostomus?

You're likely referring to Plecostomus, commonly known as Plecos. These are a type of catfish often kept as aquarium pets.

While they're primarily known for their role in cleaning algae in aquariums, there are other uses for Plecos:

* Food Source: Plecos are a food source in some cultures, especially in South America where they are native. They can be eaten fried, grilled, or in stews.

* Aquarium Trade: The aquarium trade is the primary use for Plecos. They are popular for their algae-eating habits and unique appearances.

* Research: Some species of Plecos are used in scientific research, particularly in the fields of ecology and aquaculture.

It's important to note that:

* Not all Plecos are suitable for aquariums: Some species grow incredibly large (over 2 feet long) and are unsuitable for typical home aquariums.

* Plecos can be invasive: In some areas, they have been introduced into the wild and have become invasive, causing ecological damage.

Therefore, it's crucial to be informed about the species of Pleco you're considering and responsible in their care.