Loricariidae

Plecos are a common choice for fish keepers as they aren’t high maintenance. There are over 150 different species, but the most popular is the common Pleco and Bristlenose Pleco. These freshwater catfish can be found in the rivers and streams of South America and are nocturnal. Which means you won’t get much out of them during the day. Although they are not aggressive fish, most pleco species get very big and territorial. So it’s recommended to keep them in their own tank. 

Take note: Plecos are often sold as algae eaters. In reality, their dietary requirements are more complicated, continue reading to learn more.