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Scientific Name Pterygoplichthys punctatus  (Kner, 1854)
Common Names Imperial Ranger Pleco
Guimares Silver Pleco, Punktierter Schilderwels (Germany), Trinidad Pleco, Yogi Pleco
Type Locality Rio Guaporé, Amazon system, San Vincente, Mato Grosso state, Brazil.
Synonym(s) Glyptoperichthys punctatus, Loricaria punctata
Pronunciation terry gop LICK thees - PUNK tah tuss
Etymology Greek, pterygion, diminutive of pteryx = wing, fin + Greek, hoplon = weapon + Greek, ichthys = fish. 
Hop to next section Species Information
Size 285mm or 11.2" SL. Find near, nearer or same sized spp.
Identification Pterygoplichthys can be identified by the number of rays in the dorsal fin. Ten or more dorsal rays (usually more than 10) indicates that it's a Pterygoplichthys. Most other plecos have 8 or fewer rays (in particular the larger Hypostomus species that are most likely to be confused with Pterygoplichthys).

The attractive colouration of the juvenile fish changes to a more common looking 'brown with dark brown' spots with adulthood.
Sexing Comparison of the genital papilla in mature fish shows the differences in the sexes to the trained eye. In males this is a small yet thick stump which noticeably protrudes from the fish's undercarriage. In females it is less obvious and is recessed or lies flat with the body.
Hop to next section Habitat Information
Distribution South America: Madeira, Purus, Jurua and Marañon River basins.
Amazon, Middle Amazon (Solimoes), Madeira (click on these areas to find other species found there)
Amazon, Upper Amazon, Marañón (click on these areas to find other species found there)
Amazon, Juruá (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Purus (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 2020.
Temperature 22.0-26.0°C or 71.6-78.8°F (Show species within this range)
Hop to next section Husbandry Information
Feeding Omnivorous and a good algae eater, especially when young. User data.
Suggested Tankmates Almost any medium sized community fish.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 7, pp 281 [31].
Registered Keepers There is no registered keeper.
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There is but a single record of this fish being seen, view it.
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Last Update 2020 Sep 19 05:37 (species record created: 2004 Jul 05 00:00)