🐡 Royal Pleco (L190) Panaque nigrolineatus

The Royal Pleco (L190) (Panaque nigrolineatus) is a moderate-care, semi-aggressive species from Colombia and Venezuela. Adults reach roughly 16", so plan on a minimum tank of 125 gallons. Keep the water between 73–82°F with a pH of 6.5–7.5. It does not school and can be kept singly or in species-appropriate numbers. As a herbivore, it does best on a varied diet appropriate to its feeding style.

At a glance

Good tankmates for Royal Pleco (L190)

Common PlecoClown LoachKissing GouramiGiant GouramiSeverumBlue AcaraDojo LoachBala SharkBlack Ghost KnifefishRopefishSenegal BichirFancy GoldfishTinfoil BarbSnakeskin GouramiGold SeverumChocolate CichlidStriped Raphael CatfishRed-Tail Tinfoil BarbWeather LoachHorseface LoachGold Nugget Pleco (L177)

Avoid these tankmates

White Cloud MinnowCherry ShrimpCommon GoldfishRosy Red MinnowBlue Dream ShrimpYellow ShrimpBlack Diamond Shrimp

See the full tankmate guide for Royal Pleco (L190) →