All FishesLoricariidaeHypostominaePterygoplichthys

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Scientific Name Pterygoplichthys disjunctivus  (Weber, 1991)
Common Name Vermiculated Sailfin Catfish
Type Locality Rio Madeira, Amazon R. system, Restauracao, Amazonas, Brazil.
Synonym(s) Liposarcus disjunctivus
Pronunciation terry gop LICK thees
Etymology Greek, pterygion, diminutive of pteryx = wing, fin + Greek, hoplon = weapon + Greek, ichthys = fish. 
Hop to next section Species Information
Size 430mm or 16.9" 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).

This species is most likely to be confused with P. pardalis. The pattern on the abdomen is the most useful external key: P. pardalis has a spotted pattern, where P. disjunctivus has a vermiculated pattern. For more info see: Zootaxa 1109: 57?68 (2006)

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 River basin.
Amazon, Middle Amazon (Solimoes), Madeira (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Hop to next section 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.
Hop to next section Further Information
Reference Revue Suisse de Zoologie v. 98 (no. 3), pp 638.
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Last Update 2019 Sep 22 07:00 (species record created: 2002 Sep 25 00:00)