Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Pseudancistrus

Down arrow Cat-eLog Data Sheet
Scientific Name Pseudancistrus pectegenitor  Lujan, Armbruster & Sabaj Pérez, 2007
Common Names L261, Longspined Stream Pleco
Langpigget Strømsugemalle (Denmark)
Type Locality Río Casiquiare, 73 kilometers northeast of San Carlos de Río Negro, 2°21'09"N, 66°34'31"W, Amazonas, Venezuela.
Etymology Greek, pseudes = false + Greek, agkistron = hook or barb. "False Ancistrus", meaning that it is like an Ancistrus, but yet not quite. This specific epithet refers to the hypertrophied odontodes (pecten=quill) of the snout, pectoral spine and evertible cheek plates plus the fact that one adult male was presumably collected while caring(genitor=father) for a large brood of young.
Down arrow Species Information
Size 242mm or 9.5" SL. Find near, nearer or same sized spp.
Identification Pseudancistrus is the only genus of the Ancistrini (former Ancistrinae) that lacks evertible cheek plates. Because of this characteristic, it has at times been placed in the Hypostominae.
Sexing Males possess greatly elongated evertible cheek odontodes as well as slightly elongated odontodes on the pectoral spines and snout.
Down arrow Habitat Information
Distribution South America: main channel of the Rio Orinoco above Raudales Autures and Rio Casiquaire in Venezuela.
Orinoco, Upper Orinoco (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Negro, Upper Negro, Casiquiare (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2017.
Down arrow Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Ichthyological Exploration of Freshwaters v. 18 (no. 2), pp 164, Figs. 1b, 2-3.
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Last Update 2020 Mar 01 02:11 (species record created: 2007 Jan 25 17:50)