AquaticRepublic.com - Pseudolithoxus dumus (Loricariidae) All Fishes

Dorsal view
Close-up of mouth
Close-up of head
Dorsal view of male
Dorsal view of female
Ventral view
Newly hatched fry
Newly hatched fry
Male, genital papillae and longer ventral fin
Female, genital papillae and regular ventral fin
Male, close-up of pectoral fin
Female, close-up of pectoral fin
Newly hatched fry
Four weeks old
Four weeks old
Five weeks old
Five weeks old
Seven weeks old
Seven weeks old
Seven month old
Juvenile

All Fishes 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.
Synonym(s)	Lasiancistrus dumus
Pronunciation	sue doh lith ox uss.
Etymology	Greek, pseudes = false + Greek, lithos = stone + Greek, oxys = sharp.
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
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) Login to view the map.
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)
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 no breeding report.
Further Information
Reference	Ichthyological Exploration of Freshwaters v. 11 (no. 3), pp 246, Fig. 3.
Registered Keepers	There is no registered keeper.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 7 records of this fish being seen, view them all.
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	Look up P. dumus on PlanetCatfish.com
	Look up P. dumus on Fishbase
	Look up P. dumus on Encyclopedia of Life
	Look up P. dumus on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.4.218.945
Last Update	2025 Jan 02 01:37 (species record created: 2002 Oct 15 00:00)