Species profile
L-039 Diamond/Black Wing Pleco
Guyanancistrus nigerL-039 Diamond/Black Wing Pleco (Guyanancistrus niger) is a community species for a cycled 55+ gallon freshwater aquarium. Plan for about 6 inches as an adult, 76-82°F water, pH 6.2-7.6, and moderate care. Match tankmates by water range, adult size, activity level, and feeding needs.
Community leaningModerate care
55 galMinimum tank
6 inAdult size
1Schooling minimum
76-82°FTemperature
Water Range
- pH
- 6.2-7.6
- GH
- 2-12 dGH
- KH
- 1-8 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 2/5
Diet and Care
- Diet
- omnivore
- Diet difficulty
- 3/5
- Care difficulty
- 3/5
Planning Notes
Moderate care needs; may require mature grazing surfaces or supplemental fresh/frozen foods.
This species may need live, frozen, fresh, or otherwise specialized foods.
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These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.
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