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Scientific Name Pseudolithoxus stearleyi    (Lujan & Armbruster, 2011)
Common Name Soromon Pleco
Type Locality Soromoni Creek, cobble and gravel shoal approximately 30 minutes by boat from the mouth and 11.8 km east of La Esmeralda, 3°11'37''N, 65°39'07''W, Amazonas State, Venezuela.
Pronunciation sue doh lith ox uss. - steer lee eye
Etymology Greek, pseudes = false + Greek, lithos = stone + Greek, oxys = sharp. The species epithet stearleyi is a patronym honoring Ralph Stearley, Professor of Geology at Calvin College since 1992, whose patient introductory tutelage in fish osteology set the first author on his career.
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Size 30mm or 1.2" SL. Find near, nearer or same sized spp.
Identification The body is dark base with lighter stripes.
Hop to next section Habitat Information
Distribution Known only from relatively low elevation (ca. 120 m asl) reaches of Soromoni Creek, a clearwater tributary of the upper Orinoco (Fig. 4) draining the southwestern slope of Mount Duida, a tepui at the western margin of the Guiana Shield with a maximum elevation greater than 2300 meters above sea level.
Orinoco, Upper Orinoco, Soromoni (click on these areas to find other species found there)

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IUCN Red List Category
Not Evaluated
Hop to next section Husbandry Information
Furniture All individuals collected from shallow riffles and runs over clean cobble substrate interspersed with sand and patches of a rooted, moss-like aquatic macrophyte.
Compatibility Other loricariids collected in Soromoni Creek with Soromonichthys were Ancistrus sp., Dekeyseria niveata, Exastilithoxus sp., and Rineloricaria formosa.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Copeia 2011 (no. 2), pp 222, Figs. 5, 6D, 7.
Registered Keepers There is no registered keeper.
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There is but a single record of this fish being seen, view it.
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Last Update 2025 Apr 12 00:33 (species record created: 2011 Jul 01 13:00)