Plecos · Hypostominae

Panaqolus sp. L403

Undescribed form

L403

IUCNNOT EVALUATED
NEnot on the EX–LC scale
CARESNOT LISTED
Genus type speciesPanaqolus gnomusdescribed as Panaque gnomus Schaefer & Stewart 1993
Depth—not recorded
DietNot documented for this form; genus-level wood and vegetable matter
BreedingCave spawner (genus-level); not documented for this form
Sexual dimorphismNot documentedNot documented for this form.
PhotographsSee photosGoogle Images →

Panaqolus sp. L403 is a pleco known only by its L-number. Aqua Haus Gaus lists it as L403, with a 3–3.5 in size grade in its product name.

What's in the name

Panaqolus sp. L403 — pa-NAH-koh-lus

Panaqolus
  • Panaqolusgenus name — the origin of the name is not documented in the atlas's sources
"L403"
  • L403hobby code (L-number) — L-number: a number from the system the German magazine DATZ began in 1988 for imported suckermouth catfishes not yet identified to species; it stands in for a species epithet until the fish is formally described

Taxonomy & naming

This is an undescribed form: no scientific name, authority or type material stands behind it, and its identity and range are not documented in the sources the atlas uses. L403 is an L-number, the system DATZ magazine began in 1988 for imported loricariids that could not be identified. Aqua Haus Gaus's product name reads "l403-panagolus-sp-3–3.5 in", a misspelling of Panaqolus.

Morphology

The listing gives no description. Panaqolus are small, often boldly striped wood-eating plecos (genus-level).

Habitat

No collection locality is given. Panaqolus occur in tropical South America (genus-level).

Feeding

Panaqolus are wood-eating plecos that rasp wood and also take vegetable matter in the aquarium (genus-level); this form's diet is not documented.

Mating

Panaqolus are cave spawners (genus-level). Spawning of this form is not documented.

Breeding

No captive-breeding record for this form is held by the atlas.

In the aquarium

Aqua Haus Gaus's product name carries a size of 3–3.5 in, which is the size grade of the fish it sells, not an adult size. No water or care figures are given. Driftwood to rasp is standard for the genus.

Conservation

No IUCN assessment exists for this undescribed form. Its range and numbers are not documented, so its conservation status cannot be stated.

In a guide: Popular plecos

Sources

  1. Aqua Haus Gaus trade listing: l403-panagolus-sp-7-9cm

Last reviewed 2026-10-05.

How to cite

Aquarist Atlas (2026). Panaqolus sp. L403. Aquarist Atlas.https://www.aquaristatlas.com/plecos/panaqolus-sp-l403/

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