Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Hypancistrus

Jump to next section Cat-eLog Data Sheet
Scientific NameHypancistrus margaritatus  Tan & Armbruster, 2016
Common NameL404
Type LocalityTakutu River ca. 2.75 km W of Saint Ignatius, Rio Branco, Rio Negro drainage, Amazon basin, Guyana, 3.35500°N, 59.83077°W.
Pronunciationhype an siss truss
EtymologyA contraction of the Greek hypo (meaning less than) and ancistrus, an allusion to the reduced number of teeth (particularly in the lower jaw) found in this genus. 
Jump to next section Species Information
IdentificationAll fins are fully spotted with spots the same size and density as the body.
SexingMature males have thicker first pectoral ray, more pronounced odontodes on the first pectoral fin ray and odontodes on the rear of the body, and typically a wider head. Mature females are wider around the middle of the body, and much less noticeable body and fin odontodes.
Jump to next section Habitat Information
DistributionBrazil, Roraima, Rio Takutu near Boa Vista
Amazon, Middle Amazon (Solimoes), Negro, Lower Negro, Branco, Upper Branco, Tacutu (click on these areas to find other species found there)
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Jump to next section Husbandry Information
FeedingUnlike the popular opinion of many other loricariids, Hypancistrus are more carnivores than algae eaters. This is backed up by a small and lightly toothed mouth that indicates they are poor algae scrapers. Provide small and frequent supply of mainly meaty foods such as dry discus food, bloodworm and even brineshrimp with the infrequent offering of flake or algae tablets.
FurnitureSand, primarily rocks and optionally driftwood. Caves made out of slate plates, bamboo or PVC pipe.
CompatibilitySuitable with most fish, as long as they are not too large or territorial about bottom-space.
Suggested TankmatesSmall tetras and other similar small fish. Also Corydoras. Care has to be taken to ensure that they get enough food, as they can be a bit shy and slow to grab food when available.
BreedingUnreported.
Jump to next section Further Information
ReferencesZooKeys No. 552, pp 128, Figs. 3-4.
Registered Keepers(1) CodOnMyRod, (2) Id16, (3) Smootnys, (4) mikebren12 (k: 3), (5) Carl Dutton, (6) Mathias, (7) eelsnot (k: 7), (8) Colinlock, (9) binamarie516 (k: 6).

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Breeding Reports(1) mikebren12 (b: 50), (2) CodOnMyRod (b: 45), (3) Smootnys (b: 14), (4) Mathias (b: 11).
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Last Update2017 Mar 12 12:32 (species record created: 2007 Dec 23 12:44)