Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Ancistrus

  • Ancistrus hoplogenys
  • Ancistrus hoplogenys
  • Ancistrus hoplogenys
Jump to next section Cat-eLog Data Sheet
Scientific Name Ancistrus hoplogenys  (Günther, 1864)
Common Names L059, Rostfensancistrus (Sweden)
Tuepfel-Antennenwels (Germany)
Type Locality River Capin [=Capim] tributary of Guama River, Para State, Brazil
Synonym(s) Ancistrus alga, Ancistrus tectirostris, Chaetostomus alga, Chaetostomus cirrhosus punctata, Chaetostomus hoplogenys, Chaetostomus tectirostris
Pronunciation an SISS truss
Etymology The name Ancistrus is derived from the Greek word agkistron, meaning hook, in reference to the interopercular odontodes that are hooked. This specific epithet literally means heavily-armed(hoplon=heavily-armed) chin(genys=chin) and refers to the fringe of soft tentacles around the edge of its snout.
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Jump to next section Species Information
Size 160mm or 6.3" SL. Find near, nearer or same sized spp.
Identification Mature males and sometimes females have soft tentacles (bushy fleshy growths) on the snout - this is unique to the genus Ancistrus.

The rusty reddish orange fin rays are the key to this attractive species, but this feature does diminish with age.
Sexing Typical for the genus with males possessing the so-called ''bushy nose''. Females also may have much smaller growths on the head but to a much lesser extent.
Jump to next section Habitat Information
Distribution South America: Amazon, Essequibo and Paraguay River basins. The L-number, L059, was recorded from Ourém with Rio Guamá, Pará, Brazil.
Amazon (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Essequibo (click on these areas to find other species found there)
La Plata, Paraná, Paraguay (click on these areas to find other species found there)

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pH 6.0 - 7.0
Temperature 25.0-28.0°C or 77-82.4°F (Show species within this range)
Other Parameters dH 5-12.
Jump to next section Husbandry Information
Feeding Ancistrus should be fed mainly on vegetarian foods. Prepared foods include algae wafers and spirulina based sinking food. Vegetables such as courgette/zucchini, and (English) cucumber are an excellent addition to the diet, along with the odd, small amount of more meaty foods.
Compatibility A good complement to most aquariums, they are not aggressive to other species. Males may fight over territory if kept in too small a tank.
Suggested Tankmates Appropriate with most community fish that aren't overly big or aggressive.
Breeding Unreported.
Breeding Reports There is but a single breeding report, read it here.
Jump to next section Further Information
References Cat. Fishes v. 5 247
Registered Keepers Keeping this species? Why not .
There are 37 registered keepers, view all "my cats" data.
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There is but a single record of this fish being seen, view it.
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Last Update 2019 Jan 07 04:21 (species record created: 2005 Apr 03 00:00)