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

Jump to next section Cat-eLog Data Sheet
Scientific NameAncistrus sp. `RIO UCAYALI`   
Common Name(s)Ucayali Orange Spot Bristlenose
Pronunciationan SISS truss
EtymologyThe name Ancistrus is derived from the Greek word agkistron, meaning hook, in reference to the interopercular odontodes that are hooked. 
Jump to next section Species Information
Size 120mm or 4.7" 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.
SexingMales develop soft tentacles on the head.
Jump to next section Habitat Information
DistributionOriginates from Rio Ucayali.
Amazon, Upper Amazon, Marañón, Ucayali (click on these areas to find other species found there)
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Temperature27.0-27.0°C or 80.6-80.6°F (Show species within this range)
Other ParametersSoft to moderately hard water (100-400 µS/cm).
Jump to next section Husbandry Information
FeedingTraditional Ancistrus such as courgette (zucchini), potatoes, green beans and brocolli, etc. As usual for this genus, moderate levels of protein rich food should be used.
FurnitureSuitable hiding places throughout the tank makes the fish feel more settled.
CompatibilityWorks fine in the community tank, and as long as the other fish aren't huge, they will go with most fish.
Suggested TankmatesAnything that isn't big enough to immediately swallow the Ancistrus should be fine.
BreedingCave breeder. Male guards the eggs. A mature female can produce up to 150 eggs. Fry are relatively easy to care for, and eats the same as adults.
Jump to next section Further Information
Registered Keepers(1) Bristle nose, (2) snowball (k: 4), (3) Snowy (k: 5), who also notes: "Sold in Australia as the Orange Spot bristle nose ", (4) L127 (k: 7), (5) Daragh (k: 2), who also notes: "Sold as Ancistrus cf. leucostictus", (6) pLaurent1251, (7) KittyKat, (8) Yann (k: 23), (9) thebirdofprey (k: 13), (10) Loracidlover (k: 53), (11) Firestorming, who also notes: "Sold in Australia as Orange spot bristlenose. Breeds fairly freely, but seems to do best with plenty of wood. The fry grow insanely fast to the 40mm, then slow a little until 50-55mm then have another spurt through to near adult size.", (12) glyde (k: 9), (13) Birger Amundsen, (14) Xplode (k: 5), (15) Breezer, (16) sunfish (k: 3), (17) NorthHawk, (18) ozarowana (k: 3), (19) Greg Curtis, (20) leej24 (k: 3), (21) djclueze (p: 2), (22) Rabbit (k: 2), who also notes: "Believed to be rio ucayali ", (23) djtonyel (k: 2), (24) AleGer (k: 3), (25) milosz (k: 14), (26) JamieDurrant (k: 2), (27) AlphaWolf1995 (k: 8), (28) PNTaquatics (k: 8), (29) Are06n (k: 3), (30) camtang, (31) Alexyay, (32) safrane, (33) TheDoctor, (34) Lars, (35) fishyNZ (k: 4), (36) flatfish (k: 4), (37) Hayden (k: 3), (38) bekateen (k: 7), who also notes: "Bought as common BNs. Make a lot of wood poop. Seem to prefer wood as food over sweet potato, algae wafers, and even steamed scallops.", (39) Fiskebingen.

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Breeding Reports(1) AleGer (b: 37), (2) djtonyel (b: 25), (3) Are06n (b: 14).
Articles
Article - CotM 2015 August
Search Planet CatfishSearch Planet Catfish for more on Ancistrus sp. `RIO UCAYALI`
Look up AquaticRepublic.comLook up Ancistrus sp. `RIO UCAYALI` on AquaticRepublic.com
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Last Update2016 Dec 05 23:18 (species record created: 2007 Jan 31 20:17)