Plecos · Hypostominae

Ancistrus sp. L181

Undescribed form

L181

Peppermint bushynose

IUCNNOT EVALUATED
NEnot on the EX–LC scale
CARESNOT LISTED
Genus type speciesAncistrus cirrhosusdescribed as Hypostomus cirrhosus Valenciennes 1836
Depth—not recorded
DietNot documented for this form; genus-level grazer on algae and soft plant matter
BreedingCave spawner (genus-level); not documented for this form
Sexual dimorphismNot documentedNot documented for this form.
PhotographsSee photosGoogle Images →

Ancistrus sp. L181 is a bushynose pleco known by its L-number. Dan's Fish sells it as the L181 peppermint bushynose pleco, hobbyist-bred and raised.

What's in the name

Ancistrus sp. L181 — an-SIS-trus

Ancistrus
  • ankistronGreek — fish-hook, alluding to the hooked interopercular spines of the genus
"L181"
  • L181hobby 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. L181 is an L-number, the system DATZ magazine began in 1988 for imported loricariids that could not be identified. Dan's Fish lists it as the L181 peppermint bushynose pleco.

Morphology

The listing text the atlas holds does not describe this fish's colour or pattern. Ancistrus are small plecos with bristle-like tentacles on the snout, strongest in males (genus-level).

Habitat

No collection locality is given in the listing. Ancistrus occur widely in tropical South America (genus-level).

Feeding

Ancistrus are grazers on algae, biofilm and soft plant matter that also take prepared foods (genus-level); this form's diet is not documented.

Mating

Ancistrus are cave spawners in which the male guards the eggs (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

Dan's Fish lists the stock as hobbyist-bred and raised, with an estimated shipping size of 1.5 inches (about 1.5 in), and describes Ancistrus in general as hardy, easy to maintain and nocturnal, coming out in daytime at feeding. No adult size is stated for this form.

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. Dan's Fish trade listing: L181 Peppermint Bushynose Pleco

Last reviewed 2026-10-05.

How to cite

Aquarist Atlas (2026). Ancistrus sp. L181. Aquarist Atlas.https://www.aquaristatlas.com/plecos/ancistrus-sp-l181/

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