PlanetCatfish.com - Otothyropsis piribebuy (Loricariidae) Cat-eLog

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Cat-eLog Data Sheet
Scientific Name	**Otothyropsis piribebuy** Calegari, Lehmann A. & Reis, 2011
Common Names	Black Oto Lg2, Otocinclus Negros (Germany)
Type Locality	Rio Piribebuy, a tributary to the rio Manduvira, rio Paraguay basin, 25°22'09''S, 56°58'20''W, Eusebio Ayala, Departamento Cordillera, Paraguay.
Etymology	Otothyropsis: The first part of the name is from Greek (otos = ear and thyris = window) and is in reference to the Hypoptopomatinae genus Otothyris, to which the new taxon is closely related. The second part is from the Greek (opsis = relating to sight and appearance); hence, resembling a hypoptopomatine fish. After the Rio Piribebuy.
Species Information
Size	29mm or 1.1" SL. Find near, nearer or same sized spp.
Identification	Distinguished from the congeners by possessing the lateral middle series of plates truncated before the caudal fin; the inner margin of pectoral spine fin smooth; the distal tip of the first ceratobranchial accessory flange pointed; and abdomen with unplated areas in adults.
Sexing	Male hypoptopomins posses a urogenital papilla located immediately posterior to the anus. It is absent in females.
General Remarks	Imported from Paraguay. This little fellow is known in German as the "Kleiner Brauner Oto" (little brown oto) or KBO for short!
Habitat Information
Distribution	Known from two localities on the left tributaries of the Rio Paraguay: The Rio Piribebuy near Eusebio Ayala and the Rio Aguaray near Lima, San Pedro, Paraguay. Later found in the Rio Tererê, a tributary of the upper Rio Paraguay in the Pantanal floodplain. La Plata, Paraná, Paraguay, Piribebuy (click on these areas to find other species found there) La Plata, Paraná, Paraguay, Jejui, Aguaray (click on these areas to find other species found there) La Plata, Paraná, Paraguay, Upper Paraguay, Tereré (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2021.
Husbandry Information
Furniture	Collected among marginal vegetation mainly formed by hanging grasses. Also among floating water hyacinths.
Breeding	Has bred by German aquarists.
Breeding Reports	There are 2 breeding reports, read them all here.
Further Information
Reference	Neotropical Ichthyology v. 9 (no. 2), pp 255, Figs. 3-4, 5a, 6.
Registered Keepers	There are 20 registered keepers, view all "my cats" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There are 3 wishes to keep this species, see who wants what.
Spotters	Spotted this species somewhere? Click the binoculars! There are 12 records of this fish being seen, view them all.
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	LFS label creator ARN ref:1.4.615.526
Last Update	2025 Jan 01 12:14 (species record created: 2001 May 04 00:00)