taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322461/files/figure.png	https://doi.org/10.5281/zenodo.13322461	FIGURE 1 | Priocharax britzi, A. Holotype, male, MZUSP 125822, 13.7 mm SL; Brazil, Amazonas, Canutama, small lake approximately 400 m from the rio Ipixuna, after bridge crossing this river, on the right side of the Transamazônica Road (BR–230) going from Humaitá to Lábrea, rio Ipixuna drainage. B. Live paratype photographed immediately after capture.	FIGURE 1 | Priocharax britzi, A. Holotype, male, MZUSP 125822, 13.7 mm SL; Brazil, Amazonas, Canutama, small lake approximately 400 m from the rio Ipixuna, after bridge crossing this river, on the right side of the Transamazônica Road (BR–230) going from Humaitá to Lábrea, rio Ipixuna drainage. B. Live paratype photographed immediately after capture.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322463/files/figure.png	https://doi.org/10.5281/zenodo.13322463	FIGURE 2 | Priocharax britzi, paratypes, MZUSP 125823, c&s; anterior region of head in lateral view detailing the orbital region. A. 12.5 mm SL. B. 12.9 mm SL, image flipped. Antorbital and infraorbitals delimited by black line for clarity. Ant = antorbital; IO2 – 3 = infraorbitals 2 – 3. Scale bar = 0.2 mm.	FIGURE 2 | Priocharax britzi, paratypes, MZUSP 125823, c&s; anterior region of head in lateral view detailing the orbital region. A. 12.5 mm SL. B. 12.9 mm SL, image flipped. Antorbital and infraorbitals delimited by black line for clarity. Ant = antorbital; IO2 – 3 = infraorbitals 2 – 3. Scale bar = 0.2 mm.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322465/files/figure.png	https://doi.org/10.5281/zenodo.13322465	FIGURE 3 | Priocharax britzi, paratype, MZUSP 125823, 12.9 mm SL, c&s; jaws in lateral view. Ana = anguloarticular; Cm = coronomeckelian; De = dentary; MC = Meckel’s cartilage; Mx = maxilla; Pmx = premaxilla; Ra = retroarticular. Scale bar = 0.2 mm.	FIGURE 3 | Priocharax britzi, paratype, MZUSP 125823, 12.9 mm SL, c&s; jaws in lateral view. Ana = anguloarticular; Cm = coronomeckelian; De = dentary; MC = Meckel’s cartilage; Mx = maxilla; Pmx = premaxilla; Ra = retroarticular. Scale bar = 0.2 mm.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322469/files/figure.png	https://doi.org/10.5281/zenodo.13322469	FIGURE 4 | Shoulder girdle in lateral view of A. Priocharax britzi, paratype, MZUSP 125823, 12.9 mm SL, c&s. Image flipped. B. Priocharax cf. ariel, UFRO 15521, 11.8 mm SL, c&s. Cl = cleithrum; PecRdC = pectoral-fin radial cartilage; FIGURE 5 | Priocharax britzi, paratype, MZUSP 125823, 12.9 Pcl = unidentified postcleithrum; Pcl3 = postcleithrum 3; Pt = posttemporal; mm SL, c&s; Weberian apparatus in lateral view. Exoc = ScCoC = scapulocoracoid cartilage; Sucl = supracleithrum. Arrows point exoccipital; Int = intercalarium; NA3 – 4 = neural arches to middle fissure on pectoral-fin radial cartilage. Pcl3 slightly displaced 3 – 4; NS4 = neural spine 4; OsS = os suspensorium; Sca = ventrally from original position in A. Scale bars = 0.5 mm. scaphium; Sn3 = supraneural 3; Soc = supraoccipital; T = tripus. Scale bar = 0.2 mm.	FIGURE 4 | Shoulder girdle in lateral view of A. Priocharax britzi, paratype, MZUSP 125823, 12.9 mm SL, c&s. Image flipped. B. Priocharax cf. ariel, UFRO 15521, 11.8 mm SL, c&s. Cl = cleithrum; PecRdC = pectoral-fin radial cartilage; FIGURE 5 | Priocharax britzi, paratype, MZUSP 125823, 12.9 Pcl = unidentified postcleithrum; Pcl3 = postcleithrum 3; Pt = posttemporal; mm SL, c&s; Weberian apparatus in lateral view. Exoc = ScCoC = scapulocoracoid cartilage; Sucl = supracleithrum. Arrows point exoccipital; Int = intercalarium; NA3 – 4 = neural arches to middle fissure on pectoral-fin radial cartilage. Pcl3 slightly displaced 3 – 4; NS4 = neural spine 4; OsS = os suspensorium; Sca = ventrally from original position in A. Scale bars = 0.5 mm. scaphium; Sn3 = supraneural 3; Soc = supraoccipital; T = tripus. Scale bar = 0.2 mm.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322471/files/figure.png	https://doi.org/10.5281/zenodo.13322471	FIGURE 6 | Priocharax britzi, holotype, MZUSP 125822, 13.7 mm SL. A. Left lateral view of anal fin showing bony hooks. B. Ventral view of pelvic fin showing bony hooks. Scale bars = 0.5 mm.	FIGURE 6 | Priocharax britzi, holotype, MZUSP 125822, 13.7 mm SL. A. Left lateral view of anal fin showing bony hooks. B. Ventral view of pelvic fin showing bony hooks. Scale bars = 0.5 mm.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322473/files/figure.png	https://doi.org/10.5281/zenodo.13322473	FIGURE 7 | Maximum likelihood tree of five species of Priocharax, based on the COI gene (642 bp). Bars represent the number of species obtained by the ABGD and bPTP analyses. Numbers near nodes represent bootstrap values.	FIGURE 7 | Maximum likelihood tree of five species of Priocharax, based on the COI gene (642 bp). Bars represent the number of species obtained by the ABGD and bPTP analyses. Numbers near nodes represent bootstrap values.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322475/files/figure.png	https://doi.org/10.5281/zenodo.13322475	FIGURE 8 | Map of South America with a close-up of the upper and central portions of the Amazon basin, Brazil, illustrating the distribution of the five species of Priocharax: P. britzi described herein from the rio Purus basin (green losangle), P. varii (red dot), P. ariel (black dots), P. nanus (blue dot), and P. pygmaeus (yellow dots). Colors are the same as in the Fig. 7. Some dots may represent more than one lot.	FIGURE 8 | Map of South America with a close-up of the upper and central portions of the Amazon basin, Brazil, illustrating the distribution of the five species of Priocharax: P. britzi described herein from the rio Purus basin (green losangle), P. varii (red dot), P. ariel (black dots), P. nanus (blue dot), and P. pygmaeus (yellow dots). Colors are the same as in the Fig. 7. Some dots may represent more than one lot.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
039F87F6FF8B682AFCA8FBB4FA21F9BD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/13322477/files/figure.png	https://doi.org/10.5281/zenodo.13322477	FIGURE 9 | Small lake approximately 400 m from the rio Ipixuna, Canutama, Amazonas, Brazil, the type locality of Priocharax britzi.	FIGURE 9 | Small lake approximately 400 m from the rio Ipixuna, Canutama, Amazonas, Brazil, the type locality of Priocharax britzi.	2021-07-09	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio		Zenodo	biologists	Mattox, George Mendes Taliaferro;Souza, Camila da Silva de;Toledo-Piza, Mônica;Oliveira, Claudio			
