
Longfin Bristle-Nose catfish (Ancistrus sp. long fin)
22–28°C · pH 6–7.5 · 80L

A rare Ancistrus sp. L519 Rio Itenez bristlenose pleco with honeycomb-style patterning for clean, soft-water aquariums.
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 sp. L519 Rio Itenez
A rare Ancistrus sp. L519 Rio Itenez bristlenose pleco with honeycomb-style patterning for clean, soft-water aquariums.
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
L519 Rio Itenez Bristlenose Pleco is a rarer Ancistrus L-number pleco. The correct anchor is Ancistrus sp. L519 Rio Itenez, not a made-up species name built from the product title.
It stays smaller than many plecos and suits clean, soft to neutral water with caves and driftwood.
| Scientific anchor | Ancistrus sp. L519 Rio Itenez |
|---|---|
| Common name | L519 Rio Itenez / Honeycomb Bristlenose Pleco |
| Adult size | Around 9-11 cm |
| Care level | Moderate |
| Minimum aquarium | 80 litres |
| Temperature | 23-28°C |
| pH | 5.5-7.5 |
| Diet | Vegetable matter, wafers and sinking foods |
Use caves, driftwood, shaded cover and stable soft to neutral water. Keep the bottom clean and avoid forcing several males into a small cave layout.
Related bristlenose choices include Longfin Bristlenose Pleco, Ancistrus sp. Rio Paraguay, Common Bristlenose Catfish, Super Red Bristlenose Pleco and Green Dragon Bristlenose Pleco. Avoid aggressive cichlids and hard alkaline setups.
Is L519 a formal species name? No. The safest anchor is Ancistrus sp. L519 Rio Itenez, because L519 is an L-number trade identification.
Is it like a common bristlenose? It is still an Ancistrus, but L519 is a rarer Rio Itenez form that prefers soft to neutral, clean water and good cover.
How is it delivered? Livestock orders are packed for temperature stability and sent by licensed live-animal courier with our Live Arrival Guarantee.

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