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  • Ancistrus hoplogenys
  • Ancistrus hoplogenys
  • Ancistrus hoplogenys
Jump to next section Cat-eLog Data Sheet
Scientific NameAncistrus hoplogenys  (Günther, 1864)
Common Name(s)L059, Tuepfel-Antennenwels (Germany)
Type LocalityRiver Capin [=Capim] tributary of Guama River, Para State, Brazil
Synonym(s)Ancistrus alga, Ancistrus tectirostris, Chaetostomus alga, Chaetostomus cirrhosus punctata, Chaetostomus hoplogenys, Chaetostomus tectirostris
Pronunciationan SISS truss
EtymologyThe 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.
Jump to next section Species Information
Size 160mm or 6.3" SL. Find near, nearer or same sized spp.
IdentificationMature 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.
SexingTypical 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
DistributionSouth 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)
Show it on a map (Click the map-icon to show/hide map of species distribution)
pH6.0 - 7.0
Temperature25.0-28.0°C or 77-82.4°F (Show others within this range)
Other ParametersdH 5-12.
Jump to next section Husbandry Information
FeedingAncistrus 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.
CompatibilityA 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 TankmatesAppropriate with most community fish that aren't overly big or aggressive.
BreedingUnreported.
Jump to next section Further Information
ReferencesCat. Fishes v. 5 247
Registered Keepers(1) Cory-Diddi, (2) Armadillo Del Rio, (3) kurasaki, (4) Snowy, (5) obik101, (6) jburke11, (7) CoryLoachFreak, (8) Juha, (9) scotty105 (k: 6), (10) anestesia, (11) Lakatu, (12) Bjørn, (13) Bloodywertzie, (14) fuzzytigerbird, (15) sterba (k: 112), who also notes: "Very nocturnal 82-84temp 30-50us 6-5.5ph", (16) boski87, (17) Nabobmob1, (18) Lusitano972 (k: 10), (19) arthos, (20) bruce3, (21) yogi88, (22) stezatois, (23) soccerwardox, (24) Helterskelter, (25) Gertbl (k: 4), (26) TheDoctor, (27) nullepigen, (28) SteveR (k: 5), who also notes: "Bought 3 Juvenile Ancustrus Hoplogenys on 02/01/2016, and another 2 on 16/01/2016. I plan to grow them on and breed them. I am not sure of gender at this stage, but I can hopefully distinguish them soon.", (29) richnlou11.

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Breeding Reports(1) Nabobmob1 (b: 40).
Articles
Article - Shane's World Catfishology The White Seam Bristlenoses
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Last Update2007 Dec 30 04:21 (species record created: 2005 Apr 03 00:00)