Loricariidaefreshwater fishintermediate

Mustard Spot Pleco L069

Hemiancistrus sp. (L069)

Also known as: Mustard Spot Pleco, L069 Pleco, Yellow-spot Tocantins Pleco

Origin: Rio Tocantins, Brazil

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Water Parameters

Temperature2529 °C
15 °C35 °C
pH67.2
49
GH (Hardness)212 °dGH
0 °dGH30 °dGH
KH (Alkalinity)16 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
22 cm
Min Tank
180 L
Lifespan
10–15 years
Swimming Level
bottom
Schooling
No
Diet
omnivore
Temperament
Moderately peaceful; territorial around caves but ignores dissimilar species.

About

The Mustard Spot Pleco (L069) is a handsome, mid-sized loricariid from the rocky rapids of the Rio Tocantins in central Brazil. Its most defining feature is the large, clearly defined mustard-yellow spots distributed across a dark brown body, giving it a bold and attractive appearance. The species is closely related to Hemiancistrus and thrives in warm, fast-flowing water.

In the aquarium L069 requires good water flow, regular water changes, and warm temperatures. It is an omnivore that accepts algae wafers, blanched vegetables, sinking pellets, driftwood, and occasional frozen protein foods. Driftwood is especially important as a dietary supplement and refuge. Vivid spot colouration is maintained by excellent water quality and a varied diet.

The Mustard Spot Pleco is moderately peaceful and coexists well with most South American community fish. It can be mildly territorial around caves, so provide one sturdy cave per individual. It pairs well with tetras, larger corydoras, eartheater cichlids, and other Tocantins biotope species in a natural-looking aquarium.

Care Guide

Water: pH 6.0–7.2, temperature 25–29°C, GH 2–12, KH 1–6; warm water with moderate to strong flow. Tank: 180 L minimum; driftwood essential, smooth rock caves, powerhead recommended. Feeding: Omnivore; algae wafers, blanched veg, sinking pellets, driftwood, occasional frozen protein. Breeding: Cave spawner; conditioning and water changes may trigger breeding. Compatibility: Moderately peaceful; pairs well with Tocantins community species.

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