Loricariidaefreshwater fishintermediate

Royal Pleco

Panaque nigrolineatus

Also known as: Royal Pleco, L027, L190

Origin: South America (Orinoco, Amazon)

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Water Parameters

Temperature2329 °C
15 °C35 °C
pH67.5
49
GH (Hardness)212 °dGH
0 °dGH30 °dGH
KH (Alkalinity)16 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
43 cm
Min Tank
350 L
Lifespan
10-15
Swimming Level
bottom
Schooling
No
Diet
herbivore
Temperament
semi-aggressive toward conspecifics and similar large plecos

About

Panaque nigrolineatus is one of the most recognisable large plecos in the hobby, characterised by dark stripes on a cream background and a towering dorsal fin. Like all Panaque, it has specialised spoon-shaped teeth for rasping and digesting wood (xylophagy), making driftwood an essential dietary component rather than a decoration.

Care Guide

Water: 23–29°C, pH 6.0–7.5, soft to moderate; good filtration for heavy waste. Tank: Large driftwood for grazing and shelter; minimum 350L; robust decor. Feeding: Herbivore/xylophage; driftwood required; supplement with algae wafers, blanched vegetables. Behaviour: Nocturnal; can be territorial and aggressive toward other large plecos. Compatibility: Large cichlid and community tanks; incompatible with other Panaque in same space.

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