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Snow White Bristlenose Pleco (Ancistrus sp.), 15cm
23–29°C · pH 6–7.5 · 80L
£35.99
A spotted South American Ancistrus pleco for mature wood-and-cave community aquariums, best planned as a medium pleco with oxygen-rich water and vegetable-rich feeding.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Ancistrus hoplogenys
A spotted South American Ancistrus pleco for mature wood-and-cave community aquariums, best planned as a medium pleco with oxygen-rich water and vegetable-rich feeding.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Peaceful algae-grazing catfish ideal for UK community tanks. Stays small (12-15 cm), loves driftwood, easy to breed. Sent by licensed live-animal courier with Live Arrival Guarantee.
Maintain these water conditions for optimal health and vibrant colors
Pearl Sucker Pleco L059 is the customer-friendly name for the spotted bristlenose-type catfish supplied here as Pearl Sucker, Spotted Brist - Ancistrus hoplogenys. It is a dark, white-spotted loricariid with the familiar sucker mouth, armoured body and cave-loving behaviour that makes Ancistrus so popular in planted and wood-rich aquariums.
This listing has three size options on one Shopify product: 3.5-4.5 cm, 5-6 cm and XL. Those are arrival sizes, not adult-care sizes. The safer long-term plan is to treat this fish as a medium Ancistrus that can reach roughly 15-16 cm standard length, with a broad body, cave territory and a real need for oxygen-rich water. It is not a nano pleco.
The trade around Ancistrus hoplogenys can be confusing because white-spotted Ancistrus are often mixed under similar common names. Hobby sources also connect true A. hoplogenys with L059/L59 and note that the name has sometimes been used loosely. For that reason, this page keeps both the supplier name and the scientific name visible, while giving conservative care advice that protects the fish even if the individual grows into the larger end of the Ancistrus range.
| Trade name on this product | Pearl Sucker, Spotted Brist |
|---|---|
| Customer-facing name | Pearl Sucker Pleco L059 |
| Scientific name supplied | Ancistrus hoplogenys |
| Family | Loricariidae, the armoured catfishes |
| Adult planning size | Plan around 15-16 cm, with larger-bodied male territory in mind |
| Temperament | Peaceful with open-water fish; territorial around caves with similar plecos |
| Best aquarium style | Mature wood-and-cave community aquarium with steady oxygen |
Pearl Sucker Pleco is valued for its dark base colour and fine pale spotting. The source photo for this product shows a compact, broad-headed pleco with small bright spots over the body and fins. As with many Ancistrus, mature males may develop more obvious snout bristles and cheek odontodes, while females are usually smoother around the head.
Do not judge adult care from the arrival-size label. A 3.5-4.5 cm juvenile may look small in a sales tank, but a settled adult is a much more substantial bottom fish. The body becomes deeper, the pectoral fins broaden, and a mature male can control a favourite cave or piece of wood. That adult shape is why this page uses a larger tank plan than the old short listing.
Published fish references place Ancistrus hoplogenys in South America, including Amazon, Essequibo and Paraguay drainage records, while specialist hobby references discuss L059/L59 in relation to the Rio Guama area of Brazil. The important aquarium takeaway is consistent: this is a tropical freshwater demersal catfish associated with submerged wood, stones, shelter and grazing surfaces.
Because the name can be misapplied in the trade, we avoid pretending that a single common name proves every visual detail. The product is listed from the supplier record as Ancistrus hoplogenys, and the care below is deliberately conservative for a spotted Ancistrus pleco rather than written as if it were a tiny, easy, algae-only fish.
A mature aquarium of around 160 litres or more is the better long-term target for this product, especially if you want to keep other bottom dwellers or more than one male Ancistrus-type pleco. A smaller temporary grow-on tank can work for juveniles, but the permanent home should offer floor space, hiding structure and stable water quality.
Use driftwood, bogwood, smooth stones, slate caves, ceramic pleco caves or coconut-style hides. The layout should create several shaded retreats and broken sight lines, so the pleco can graze and rest without being exposed all day. Sand or smooth fine gravel is preferable to sharp substrate because these fish spend so much time pressed against the bottom and hardscape.
Filtration matters more than decoration. Plecos are hardy when conditions are stable, but they produce waste and dislike stale, oxygen-poor water. Use strong biological filtration, gentle-to-moderate flow, surface movement and regular water changes. Keep ammonia and nitrite at zero, and keep nitrate under control rather than relying on the fish to “clean” the aquarium for you.
| Temperature | 23-28°C, with stability more important than chasing a number |
|---|---|
| pH | 6.0-7.5 |
| Hardness | Soft to moderately hard water, roughly 2-15 dGH |
| Minimum long-term aquarium | 160 litres for adult planning; larger for groups or busy bottom communities |
| Tank region | Bottom and hardscape surfaces |
| Care level | Moderate, mainly because adult size, diet and oxygen are often underestimated |
Pearl Sucker Pleco grazes biofilm and soft algae, but it must still be fed. Use sinking algae wafers, spirulina tablets, pleco sticks and vegetable-based foods as the base diet. Blanched courgette, cucumber, spinach, peas and other soft greens can be offered in small amounts, then removed before they foul the water.
Protein foods are useful in moderation. Occasional frozen bloodworm, brine shrimp, daphnia or a balanced sinking omnivore food can round out the diet, but heavy meaty feeding should not become the daily routine. A varied diet helps maintain body condition, supports normal bristle development in males and prevents the hollow-bellied look that underfed plecos can develop in “algae cleaner” roles.
This is a peaceful fish with the right tank mates. It usually ignores midwater species such as tetras, rasboras, peaceful barbs, pencilfish, hatchetfish, calm gouramis and many livebearers that tolerate similar temperatures. Corydoras can work in a larger aquarium with enough feeding space, though both species use the bottom and should not be forced to compete in a cramped layout.
The main caution is territory. Male Ancistrus can defend caves, especially as they mature or come into breeding condition. Avoid housing this pleco with aggressive cichlids, very boisterous bottom dwellers, predatory catfish, or multiple similar plecos in a small aquarium. If keeping more than one, use extra caves, more floor space and separate feeding spots.
Ancistrus-style plecos are cave spawners. A mature male normally chooses a snug cave, cleans it, courts a female and then guards the eggs inside. He fans the eggs and protects the brood until the young are close to free swimming. This behaviour is fascinating, but it also explains why males become more defensive around caves.
If breeding is a goal, plan for conditioning foods, excellent water quality, multiple cave choices and a grow-on plan for the fry. Young plecos need constant access to biofilm, vegetable matter and fine sinking foods. Breeding should never be encouraged in a tank that already struggles with waste or oxygen.
| Great choice if | You want a striking spotted pleco for a mature community tank with wood, caves and calm tank mates. |
|---|---|
| Think twice if | You need a tiny nano algae eater, have a new uncycled aquarium, or cannot provide sinking foods after lights-out. |
| Common mistake | Buying a juvenile and planning from its arrival size instead of its adult body size and cave territory. |
| Keeper priority | Stable water, oxygen, varied vegetable-rich feeding and enough shelter. |
Livestock orders are packed for live-fish transport with insulated packaging, appropriate water volume and oxygen. Use the delivery information on your order carefully, be ready to receive the parcel, and acclimate the fish slowly into a mature aquarium. Eligible livestock orders include arrival-cover support when the published delivery and acclimation steps are followed.
Plan around 15-16 cm for adult care. Juveniles are sold smaller, but the aquarium should be arranged for an adult Ancistrus-type pleco rather than a 4 cm nano fish.
It is hardy in a mature aquarium, but the care level is better described as moderate because it needs wood, caves, oxygen-rich water and proper feeding.
Yes, it grazes biofilm and soft algae, but it still needs sinking algae foods, spirulina foods, vegetables and occasional protein foods.
Yes. Choose peaceful midwater fish and avoid aggressive bottom competitors. Give the pleco its own caves and feed after lights dim so it is not outcompeted.
Driftwood is strongly recommended. It provides grazing surface, shelter, visual security and a more natural Ancistrus-style layout.
Only in a larger aquarium with several caves and broken sight lines. Mature males can become territorial around preferred shelters.
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