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Down Cat-eLog Data Sheet
Scientific Name Pseudolithoxus dumus  (Armbruster & Provenzano, 2000)
Common Names L244, Black Spotted Orinoco-Ancistrus (Germany)
Sortplettet Flyversugemalle (Denmark)
Type Locality Río Orinoco, backwater behind sand playa about 0.5 hr upstream from Isla Temblador, 3°04'N, 66°28'W, Amazonas State, Venezuela.
Pronunciation sue doh lith ox uss.
Etymology Greek, pseudes = false + Greek, lithos = stone + Greek, oxys = sharp. 
Article Link - CotM Right 2013 Right January
Down Species Information
Size 101mm or 4" SL. Find near, nearer or same sized spp.
Identification Body color light with large, black spots at least anteriorly; spots may combine posteriorly to form bars. Tips of dorsal and caudal spines with light orange to cream-colored spots. Lateral line plates 24-25; dorsal plates 6-9; interdorsal plates 6-7; adipose-caudal plates 6-7; folded dorsal fin plates 11-14; and postanal plates 11-13
Down Habitat Information
Distribution South America: Upper Orinoco, upper Negro and Casiquiare River basins in Venezuela.
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)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2020.
Temperature 23.0-26.0°C or 73.4-78.8°F (Show species within this range)
Down Husbandry Information
Breeding The first species in the genus to be bred in captivity (2011). Is a square pipe spawner, preferring open ended narrow spaces to a closed-end cave. Male guards egg clutch, free swimming fry are straightforward to feed on prepared foods as soon as their yolk sac is completely consumed.
Breeding Reports There is but a single breeding report, read it here.
Down Further Information
Reference Ichthyological Exploration of Freshwaters v. 11 (no. 3), pp 246, Fig. 3.
Registered Keepers There are 26 registered keepers, view all "my cats" data.
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There are 3 wishes to keep this species, see who wants what.
Spotters Spotted this species somewhere? Click the binoculars!
There are 14 records of this fish being seen, view them all.
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Last Update 2022 Jan 19 11:09 (species record created: 2002 Oct 15 00:00)