Overview
The Royal Pleco (Panaque nigrolineatus) is a intermediate freshwater species known for its gray, dark stripes coloration. Wood-eating pleco. On driftwood.
Origin & Appearance
Origin: South America.
Colors: Gray, Dark stripes.
Body Shape: Depressiform (bottom-flat). Typical adult dimensions: 43.0 x 21.5 x 5.2.
Sexual Dimorphism: Subtle; males have slightly thicker pectoral spines.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 72–82°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | high |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | On driftwood |
Behavior & Activity
Slow wood-grazer; attaches to driftwood and rasps; minimal visible movement; occasional territorial repositioning
Speed: 20/100Aggression: 3/10nocturnal
Breeding
Very difficult; needs very large cave
Common Diseases
💊 Ich💊 needs driftwood for digestion
Expert Notes
Wood-eating pleco; L190