Plecostomus (or \"plecos\") are armored catfish from South America famous for their sucker-shaped mouths used to scrape algae off surfaces. While often sold as \"cleaner fish,\" many species grow significantly larger than beginners expect—sometimes reaching over 20 inches—making them a long-term commitment for large aquariums.\r\n\r\n⚡ Key Facts\r\n\r\nLife Span: Can live 10–15 years with proper care.\r\n\r\nBehavior: Primarily nocturnal (active at night) and can be territorial toward other plecos.\r\n\r\nArmor: Instead of scales, they have bony plates and sharp spines for protection.\r\n\r\nAir Breathing: Some species can gulp air to survive in low-oxygen water.\r\n\r\n🍴 Diet & Feeding\r\nDon\'t rely solely on tank algae; they need a varied diet to stay healthy.\r\n\r\nAlgae Wafers: Sinking rounds are a staple.\r\n\r\nFresh Veggies: Blanched zucchini, cucumber, and carrots.\r\n\r\nDriftwood: Essential for many species to aid digestion through wood fiber.\r\n\r\nProtein: Occasional bloodworms or shrimp pellets for omnivorous types.
