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|Cat-eLog Data Sheet|
|Scientific Name||Scoloplax baileyi Rocha, Lazzarotto & Rapp Py-Daniel, 2012|
|Type Locality||Brazil, Amazonas State, Barcelos, Rio Negro basin, Igarape´ do Inga´ , right banktributary of Rio Arara, Rio Unini basin, 1°42'45.25''S, 63°33'25.27''W.|
|Pronunciation||SKOW low plax|
|Etymology||Scoloplax: From the Greek skolos, meaning thorn and plax, meaning plate; in reference to the moveable dermal bone on top of snout (rostral plate) that is studded with large integumentary teeth. Named in honor of Dr. Reeve M. Bailey (1911–2011) for his remarkable contributions to ichthyology including the description of the genus Scoloplax and its type species, S. dicra.|
|Size||15mm or 0.6" SL. Find near, nearer or same sized spp.|
|Identification||Species of the neotropical family Scoloplacidae are distinguished from other Siluriformes by the presence of a conspicuous shield-shaped rostral plate bearing numerous large and recurved odontodes. Scoloplacidae is a monogeneric family endemic to South America and known from the Amazon, Paraguay, and Parana basins. The worlds smallest known catfish are from this genus, the smallest is most likely S. dolicholophia.
Body overall brownish. Trunk light brown with four narrow dark saddles, first saddle covering dorsal fin, except for lighter dorsal-fin spine. Narrow longitudinal gray stripe along lower region of trunk from pectoral to caudal fin. A second longitudinal, narrow, dark brown, stripe running immediately above entire length of dark stripe.Pectoral, caudal, and pelvic fins with brown dots scattered over a hyaline ground. Caudal fin with distal dark brown vertical bar; tips of caudal-fin rays hyaline. Dorsal part of head light brown with a dark brown triangle with axis pointed to dorsal spine. Few small dark dots scattered over trunk and head.
|Sexing||Larger male specimens with large, fleshy tissue at ventral opening. Females without tissue sack.|
|Distribution||Found in streams of the Rio Unini, lower Rio Negro basin. Possibly wider spread.
Colombia: Amazonas: Leticia: que brada Yahuarcaca: La Ponderosa, km 8, vía Leticia-Tarapacá.
Amazon, Middle Amazon (Solimoes), Negro, Lower Negro, Unini (click on these areas to find other species found there)
Amazon, Upper Amazon, Yahuarcaca (quebrada) (click on these areas to find other species found there)
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|Furniture||In Rio Unini basin, Scoloplax baileyi can be found in mid-sized streams within dense forest vegetation. These streams are blackwater throughout most of the year but, during the dry season, some streams carry a small amount of sediment and present higher pH and conductivity values. The microhabitats where S. baileyi was found presented fine sand and silt as substrate. Other species of this genus are usually found in leaf-litter substrate.|
|Breeding Reports||There is no breeding report.|
|References||Copeia 2012, No. 4, 670–677|
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There is no registered keeper.
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There is no record of this fish being seen.
|More on Scoloplax baileyi|
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|Last Update||2018 Dec 27 01:35 (species record created: 2012 Dec 26 20:17)|