Plecostomus Pleco Fish Care | Facts | 水產百科網

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Plecostomus

Plecos[1], consisting of more than 150 species, are catfish who have sucker-shaped mouths and bony plates and spines over their bodies instead of scales to protect them. They can raise and lower their spines and plates when threatened by a predator. Plecostomus means “folded mouth” in Latin. These fish are well-known algae eaters who originated in the rivers of the Amazon jungle in South America. In nature, many live in fast-moving rivers and streams where they use their suckermouths to attach to rocks and wood to help prevent them from being swept away by water currents. Some pleco species have adaptations in their gastrointestinal tracts that enable them to breathe air and extract oxygen from it within their intestines. Plecos are often called “janitor fish” because they are scaveng...