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

  • Pterygoplichthys etentaculatus
  • Pterygoplichthys etentaculatus
  • Pterygoplichthys etentaculatus
Jump to next section Cat-eLog Data Sheet
Scientific Name Pterygoplichthys etentaculatus  (Spix & Agassiz, 1829)
Common Name
Type Locality Rio São Francisco, Januaria, Minas Gerais, Brazil.
Synonym(s) Ancistrus longimanus, Glyptoperichthys duodecimalis, Hypostoma etentaculatum, Hypostomus brevitentaculatus, Hypostomus duodecimalis
Pronunciation terry gop LICK thees - ee tent ack you la tuss
Etymology Greek, pterygion, diminutive of pteryx = wing, fin + Greek, hoplon = weapon + Greek, ichthys = fish. 
Jump to next section Species Information
Size 300mm or 11.8" SL. Find near, nearer or same sized spp.
Identification Pterygoplichthys can be identified by the number of rays in the dorsal fin. 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).
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.
Jump to next section Habitat Information
Distribution South America: São Francisco River basin.
São Francisco (click on these areas to find other species found there)

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pH 6.2 - 7.8
Temperature 22.0-30.0°C or 71.6-86°F (Show species within this range)
Other Parameters dH 25
Jump 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.
Jump to next section Further Information
References Selecta Piscium Brasiliam 7 Pl. 4 (figs. 1-2)
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Last Update 2006 Jul 31 10:12 (species record created: 2006 Dec 24 15:10)