Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Pterygoplichthys

Down arrow Cat-eLog Data Sheet
Scientific Name Pterygoplichthys weberi  Armbruster & Page, 2006
Common Name Ranger Pleco
Type Locality Laguna El Vaticano, Río Caqueta drainage, Florencia, Caquetá, Colombia.
Pronunciation terry gop LICK thees
Etymology Greek, pterygion, diminutive of pteryx = wing, fin + Greek, hoplon = weapon + Greek, ichthys = fish. Named for Claude Weber of the Muséum d?histoire naturelle, Geneva.
Down arrow Species Information
Size 197mm or 7.8" 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).

Most similar to P. punctatus. Easiest identification character is the spots on the abdomen, which are few on this species and many on P. punctatus. For further details, see reference.
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.
Down arrow Habitat Information
Distribution Upper Amazon basin (Caqueta, Napo, Bobonaza and Amazon drainages are listed in original description)
Amazon, Upper Amazon (click on these areas to find other species found there)
Amazon, Upper Amazon, Napo (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Japurá, Caquetá (click on these areas to find other species found there)
Amazon, Upper Amazon, Marañón, Pastaza, Bobonaza (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Down arrow Husbandry Information
Feeding Omnivorous and a good algae eater, especially when young.
Suggested Tankmates Almost any medium sized community fish.
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Neotropical Ichthyology v. 4 (no. 4), pp 406, Fig. 5.
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Last Update 2019 Sep 25 12:54 (species record created: 2004 Jul 05 00:00)