Pankimpuju Pleco
Peckoltia pankimpuju
The Pankimpuju Pleco is a highly specialized fast-water species from Peruvian rapids. It thrives in tanks with extreme hydrodynamic flow, smooth stones, narrow caves, and a primarily herbivorous diet.
Water Temperature
24 - 28 °C
pH Value
6 - 7.2
Water type
Freshwater
Tank level
Bottom
Adult size
16 cm
Minimum tank volume
>= 250 L
Minimum group
>= 1
GH
2 - 12 dGH
KH
3 - 10 dKH
TDS
60 - 280 ppm
Conductivity
94 - 438 uS/cm
Species description
Geographical Origin and Habitat: Recent discovery from the Marañón River basin in Peru. Named after the indigenous "Pankimpuju" people. Lives in fast rivers and submontane streams, anchored to smooth boulders in highly oxygenated and turbulent waters.
Taxonomy and Morphology: Pankimpuju Pleco (Hemiancistrus pankimpuju). Morphologically similar to the Baryancistrus genus or other Hemiancistrus, features a robust body covered by bony dermal plates. Specialized oral sucker to scrape algal biofilm.
Social Behavior: Territorial towards individuals of the same family, it will stubbornly defend its primary refuge. Quite tolerant towards open-water fish. Active mainly during evening and nighttime hours.
Coloration and Sexual Dimorphism: Spectacular. Dark body tending to velvet black or very dark olive green, embellished by extreme neon yellow-orange borders on ALL unpaired fins (dorsal and caudal in particular). Males with very long interopercular odontodes.
Care, breeding and tankmates
Aquarium Setup: Absolutely requires a structured high-hydrodynamic flow tank (Powerheads / circulation pumps) that mimics Peruvian rapids. Provide smooth stones and many narrow ceramic tubes of appropriate sizes for hiding.
Diet and Feeding: Predominantly omnivorous with a strong vegetarian component. Must be able to scrape "biofilm" from rocks. Administer sweet potatoes, fresh zucchini, Spirulina-based pellet foods, and, rarely, bloodworms for proper protein intake.
Water Quality: Demands extreme purity. Voluminous water changes are mandatory: in nature, it inhabits fresh, constantly renewed waters. Global warming or inadequate filters depress oxygen causing rapid lethargy.
Compatibility and Cohabitation: Suitable for specialized community tanks for rheophilic fish (e.g. Loricariidae, current Characidae). Should not be housed with giant Cichlids that could compete for bottom territory or stress it excessively.
Aquarium Breeding: They lay eggs in narrow crevices (ceramic or bamboo tubes). The male will jealously guard the nest, fanning the eggs for days. Fry take months to grow and demand impeccable hygiene.
Risks and Diseases: Particularly sensitive to intestinal parasites upon import (Flagellates). Concave belly and white, stringy feces are an alarm signal. Antiparasitic treatments must be undertaken in quarantine tanks.
Geographic Origin and Distribution
Recent discovery from the Marañón River basin in Peru. Named after the indigenous "Pankimpuju" people. Lives in fast rivers and submontane streams, anchored to smooth boulders in highly oxygenated and turbulent waters.
Origin
Extra-Amazon South America
Fish profile
- Temperament
- Semi-aggressive
- The Peckoltia pankimpuju is a shy and extremely peaceful pleco. It prefers to remain hidden and avoid any conflict with its tank mates. Its only aggressive behavior is defensive territoriality over its chosen cave.
- Diet
- Omnivore
- It is an omnivore that accepts a wide variety of sinking foods. Provide high-quality pleco tablets, frozen bloodworms, and occasionally blanched vegetables. A piece of driftwood should be present in the tank as a dietary supplement and hiding place.
- Life expectancy
- 10-15 years
- The average lifespan of this cichlid in captivity is 10 to 15 years under proper care and stable environmental conditions. Due to the high level of territorial aggression in this species, stress management is a key factor in ensuring they reach their maximum lifespan. Maintaining pristine water quality with regular, large water changes will also prevent premature deaths due to common infections.
- Adult size
- 16 cm
- The catalog's scalar value is 16 cm. The FishBase SPECIES table (v25.04 snapshot) source reports a maximum adult measurement of 13.01 cm for this species, recorded as standard length (SL). The taxonomic record consulted is Peckoltia pankimpuju (v25.04); male or unsexed record. These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
- Sex ratio
- Pair
- Mature males develop noticeable odontode growth on their bodies and pectoral fins. Keeping a male and a female pair is the most harmonious setup. Multiple males should only be kept in very large aquariums with abundant caves to prevent fighting.
- Feeding frequency
- Twice daily
- Offer food once daily, ideally in the evening when the aquarium lights go out. They are largely nocturnal and will forage confidently in the dark. Adjust portions carefully to ensure no food rots in the substrate.
- Bioload
- This rare pleco produces a moderate bioload consistent with its size. Its omnivorous diet generates steady waste that requires good filtration to manage. Regular gravel vacuuming is important to prevent detritus buildup in its hiding spots.
- Flow
- Stagnant
- It prefers a moderate to strong water flow with excellent oxygenation. This mimics the fast-flowing, clear rivers of its natural Peruvian habitat. A powerhead can be utilized to keep the substrate clean and the water well-stirred.
- Reproduction
- Oviparous
- They are cave spawners, where the male actively guards the eggs until they hatch. Captive breeding requires excellent water quality, proper caves, and a conditioned pair. Spawning is often triggered by large water changes with slightly cooler water.
- Compatibility & tankmates
- It is very peaceful towards fish occupying the middle and upper levels of the tank. It is an excellent citizen for a South American community biotope. It may display mild territoriality towards other bottom-feeders if space is limited.
- Tank level
- Bottom
- They are strict bottom-dwellers that rarely venture far from the substrate. They require a tank with plenty of caves, rocks, and driftwood to provide secure hiding spots. They are mostly invisible during the day but become active explorers at night.
Scientific Parameters & Models
FishBase
Window to the official scientific data of the species
Data synced on: 06/15/2026
- Resilience
- Medium (1.4 - 4.4 years)
- Phylogenetic uniqueness (PD50)
- 0.5
- Bayesian Length-Weight
- a = 0.01549, b = 2.96
- VulnerabilityLow vulnerability (10 / 100)
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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