Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Hemiancistrus

Jump to next section Cat-eLog Data Sheet
Scientific NameHemiancistrus guahiborum  Werneke, Armbruster, Lujan & Taphorn, 2005
Common NamesL106, Spotted Orange Seam Pleco
Type LocalityRío Ventuari at raudales Tencua 56 km ESE of San Juan de Manapiare, Venezuela, Amazonas, 05.04968°, -065.62722°.
EtymologyGreek, hemi = the half. While the Greek, agkistron = hook, is thought to be the root of the term ancistrus, hemiancistrus can be taken to mean that these species have a part (not exactly HALF) of the features of the genus Ancistrus, but not ALL of the features. Named for the Guahibo, a tribe of people inhabiting parts of southern Venezuela and western Colombia for the help some members of the tribe provided in collecting specimens in the upper río Ventuari.
Jump to next section Species Information
Size 125mm or 4.9" SL. Find near, nearer or same sized spp.
IdentificationHemiancistrus guahiborum is distinguishable from the similar L122 by the formers higher body.
SexingFemales reach sexual maturity as small as 44mm (average female size, 64mm); males reach sexual maturity as small as 50mm (average male size, 75mm).
Jump to next section Habitat Information
DistributionFound in middle and upper rí­o Orinoco and its tributaries including the Rí­o Caura, Rí­o Ventuari, and Rí­o Ocamo, also found in Rí­o Casiquiare and Rio Bita.
Orinoco, Middle Orinoco (click on these areas to find other species found there)
Orinoco, Upper Orinoco (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Negro, Upper Negro, Casiquiare (click on these areas to find other species found there)
Orinoco, Upper Orinoco, Ventuari (click on these areas to find other species found there)
Orinoco, Middle Orinoco, Caura (click on these areas to find other species found there)
Orinoco, Upper Orinoco, Ocamo (click on these areas to find other species found there)
Orinoco, Middle Orinoco, Bita (click on these areas to find other species found there)
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Temperature25.0-31.0°C or 77-87.8°F (Show species within this range)
Other ParametersNatural habitat: Rocky region of river, heterogeneous structure consisting of porous rocks interspersed with solid rocks. Example, the Rio Bita: Average temperature, 30.9 ± 0.3°C (maximum, 31.1°C; minimum, 30.1°C), highly oxygenated (8.2 ± 0.1 mg O2/L), and slightly acidic (pH 6.6 ± 0.1).
Jump to next section Husbandry Information
FeedingGut analysis indicates a diet consisting at least partly of bloodworms and other insect larvae/pupa.
FurnitureThe natural habitat of this fish is crevices on rocky bottom.
BreedingUnreported in captivity. In nature, breeds year-round; gravid females (typically carrying 48 ± 19 oocytes, minimum 39, maximum, 143) and juveniles are found all months of the year. Evidence suggests that spawning is not triggered by environmental changes such as flooding-induced decreases in water hardness. Males guard nests.
Jump to next section Further Information
ReferencesDATZ 8/1992 pp484-485
Neotropical Ichthyology, 3(4):543-548, 2005
Ajiaco-Martínez et al. (2012), Orinoquia vol. 16 (no. 2), pp. 40-51.
Registered Keepers(1) smithrc, (2) saltcop, (3) Haavard Stoere (k: 4), (4) scatz, (5) Loracidlover (k: 2), (6) nvcichlids, (7) Kingmickyb, who also notes: "Died, didnt seem to appreciate white spot treatment.", (8) Derzel (k: 2), (9) doodle, (10) MatsP (p: 2, k: 8), who also notes: "Hopefully I've got a male and a female!", (11) upc239, (12) PeterUK, (13) chumpy1972, (14) gr8plecos, (15) Donald (k: 3), (16) hankinswood, (17) ecelma, (18) Brisch, (19) stonec0ld, (20) Jako (k: 2), (21) Torb (p: 2, k: 2), (22) FFTRIP, (23) gforcefx, (24) hatiras, (25) chriscarnivorous (p: 3), (26) Carter77, (27) Anthony King, (28) m1ke715m (k: 4), (29) leberruyer, (30) edtam88, (31) PlecosAndLoaches, (32) colincook (k: 3), (33) Milo, (34) Triactis Trainer, (35) Albino Sick Led, who also notes: "Beautiful pleco, very active in my tank. No problems acclimating at all so far. Some aggression, not much though.", (36) crazy4bettas (k: 4), (37) derekw, (38) Vierrollenfreak (p: 2), (39) LostYeti (k: 2), (40) madpeace21, (41) FreshwaterQWERTY, (42) bekateen (p: 2, k: 9), who also notes: "After four months, two died of unknown cause (possibly due to water change using about 50% DI water, 50% tap water)", (43) DHarris, (44) Beckie, (45) Junglejason, (46) Evy, (47) fishiephil, (48) Demon, (49) Rogier (k: 5), (50) reyderrs, (51) Maxpedley, (52) dmfd0331, (53) hoplo_fan, (54) p03alf.

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Breeding ReportsNone.
Articles
Article - CotM 2015 June
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Last Update2015 Sep 13 09:11 (species record created: 2001 May 05 00:00)