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
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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. |
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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 |
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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) Log in to view data on a map. |
IUCN Red List Category | Not Evaluated |
Temperature | 23.0-26.0°C or 73.4-78.8°F (Show species within this range) |
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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. |
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Reference | Ichthyological Exploration of Freshwaters v. 11 (no. 3), pp 246, Fig. 3. |
Registered Keepers | Keeping this species? Why not . There are 25 registered keepers, view all "my cats" data. |
Wishlists | Love this species? Click the heart to add it to your wish list. There are 2 wishes to keep this species, see who wants what. |
Spotters | Spotted this species somewhere? Click the binoculars! There are 12 records of this fish being seen, view them all. |
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More on Pseudolithoxus dumus | |
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![]() | Look up Pseudolithoxus dumus on Encyclopedia of Life |
Look up Pseudolithoxus dumus on Global Biodiversity Information Facility | |
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Last Update | 2022 Jan 19 11:09 (species record created: 2002 Oct 15 00:00) |