taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03BCEF20EC01FF9CFF68F9DFFC00423E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928757/files/figure.png	http://doi.org/10.5281/zenodo.4928757	FIGURE 1. Serrapinnus aster, (a) holotype, male, MZUSP 115011, 22.9 mm SL; Município de Arraias, periodic lake at confluence of rio Paraná and rio Bezerra, Tocantins drainage, Tocantins State, Brazil; (b) paratype, female, MZUSP 115012, 23.6 mm SL, same data as holotype.	FIGURE 1. Serrapinnus aster, (a) holotype, male, MZUSP 115011, 22.9 mm SL; Município de Arraias, periodic lake at confluence of rio Paraná and rio Bezerra, Tocantins drainage, Tocantins State, Brazil; (b) paratype, female, MZUSP 115012, 23.6 mm SL, same data as holotype.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC01FF9CFF68F9DFFC00423E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928759/files/figure.png	http://doi.org/10.5281/zenodo.4928759	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC01FF9CFF68F9DFFC00423E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928761/files/figure.png	http://doi.org/10.5281/zenodo.4928761	FIGURE 3. Serrapinnus aster, MZUSP 115012, 25.2 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	FIGURE 3. Serrapinnus aster, MZUSP 115012, 25.2 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC01FF9CFF68F9DFFC00423E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928769/files/figure.png	http://doi.org/10.5281/zenodo.4928769	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC01FF9CFF68F9DFFC00423E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928771/files/figure.png	http://doi.org/10.5281/zenodo.4928771	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC07FF90FF68FF1FFE004413.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928759/files/figure.png	http://doi.org/10.5281/zenodo.4928759	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC07FF90FF68FF1FFE004413.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928769/files/figure.png	http://doi.org/10.5281/zenodo.4928769	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC07FF90FF68FF1FFE004413.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928771/files/figure.png	http://doi.org/10.5281/zenodo.4928771	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC07FF90FF68FF1FFE004413.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928773/files/figure.png	http://doi.org/10.5281/zenodo.4928773	FIGURE 6. Serrapinnus lucindai (a) holotype, male, UFRGS 19198, 21.1 mm, córrego Fundo, tributary of rio das Garças, Município de Barra do Garças, Mato Grosso, Brazil; (b) paratype, female, UFRGS 16445, 20.1 mm SL, same data as holotype.	FIGURE 6. Serrapinnus lucindai (a) holotype, male, UFRGS 19198, 21.1 mm, córrego Fundo, tributary of rio das Garças, Município de Barra do Garças, Mato Grosso, Brazil; (b) paratype, female, UFRGS 16445, 20.1 mm SL, same data as holotype.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC07FF90FF68FF1FFE004413.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928777/files/figure.png	http://doi.org/10.5281/zenodo.4928777	FIGURE 7. Serrapinnus lucindai, UFRJ 1260, 25.1 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of the dentary teeth.	FIGURE 7. Serrapinnus lucindai, UFRJ 1260, 25.1 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of the dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0AFF94FF68FB0FFC8A4333.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928759/files/figure.png	http://doi.org/10.5281/zenodo.4928759	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0AFF94FF68FB0FFC8A4333.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928769/files/figure.png	http://doi.org/10.5281/zenodo.4928769	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0AFF94FF68FB0FFC8A4333.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928771/files/figure.png	http://doi.org/10.5281/zenodo.4928771	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0AFF94FF68FB0FFC8A4333.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928781/files/figure.png	http://doi.org/10.5281/zenodo.4928781	FIGURE 8. Serrapinnus sterbai (a) male, MZUSP 40359, 22.8 mm SL, Município de Arraias, periodic lake in the confluence of rio Paraná and rio Bezerra, Tocantins drainage, Tocantins State, Brazil; (b) male, MZUSP uncat., not measured, and (c) female, MZUSP uncat., not measured.	FIGURE 8. Serrapinnus sterbai (a) male, MZUSP 40359, 22.8 mm SL, Município de Arraias, periodic lake in the confluence of rio Paraná and rio Bezerra, Tocantins drainage, Tocantins State, Brazil; (b) male, MZUSP uncat., not measured, and (c) female, MZUSP uncat., not measured.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0AFF94FF68FB0FFC8A4333.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928785/files/figure.png	http://doi.org/10.5281/zenodo.4928785	FIGURE 9. Serrapinnus sterbai, UFRGS 16447, 28.7 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	FIGURE 9. Serrapinnus sterbai, UFRGS 16447, 28.7 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0EFF88FF68FCEFFC9A45FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928759/files/figure.png	http://doi.org/10.5281/zenodo.4928759	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0EFF88FF68FCEFFC9A45FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928769/files/figure.png	http://doi.org/10.5281/zenodo.4928769	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0EFF88FF68FCEFFC9A45FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928771/files/figure.png	http://doi.org/10.5281/zenodo.4928771	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	FIGURE 5. Geographic distribution of the species (a) Serrapinnus aster (black stars; white star in black dot = type locality), (b) S. lucindai (black triangles; white triangle in black dot = type locality), (c) S. sterbai (black dots) and (d) S. tocantinensis (black lozenges; white lozenge in black dot = type locality) in rio Tocantins-Araguaia basins. Some symbols represent more than one locality.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0EFF88FF68FCEFFC9A45FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928787/files/figure.png	http://doi.org/10.5281/zenodo.4928787	FIGURE 10. Serrapinnus tocantinensis, (a) holotype, male, UFRGS 16442, 32.5 mm SL, córrego Fundo, tributary of rio das Garças, Município de Barra do Garças, Mato Grosso, Brazil; (b) paratype, female, UFRGS 12021, 29.9 mm SL, same data as holotype.	FIGURE 10. Serrapinnus tocantinensis, (a) holotype, male, UFRGS 16442, 32.5 mm SL, córrego Fundo, tributary of rio das Garças, Município de Barra do Garças, Mato Grosso, Brazil; (b) paratype, female, UFRGS 12021, 29.9 mm SL, same data as holotype.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC0EFF88FF68FCEFFC9A45FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928789/files/figure.png	http://doi.org/10.5281/zenodo.4928789	FIGURE 11. Serrapinnus tocantinensis, INPA 20986, 36.2 mm SL; Scanning Electron Microscopy images showing (a) right side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	FIGURE 11. Serrapinnus tocantinensis, INPA 20986, 36.2 mm SL; Scanning Electron Microscopy images showing (a) right side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928769/files/figure.png	http://doi.org/10.5281/zenodo.4928769	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	FIGURE 4. Anal fin of mature males of the species of Serrapinnus from rio Tocantins-Araguaia basin showing hypertrophied anal-fin rays and hooks shape and distribution. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (c) S. sterbai, male, UFRGS 16447, 29.7 mm SL; (d) S. tocantinensis, male, MCP 40417, 31.6 mm SL. Lateral view, anterior to left. Arrow head pointing to ligaments connecting approximately midlength of posterior face of proximal segment of lepidotrichia to proximal anterior face of lepidotrichia of the subsequent ray. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928759/files/figure.png	http://doi.org/10.5281/zenodo.4928759	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	FIGURE 2. Ventral procurrent caudal-fin rays of species of Serrapinnus from the rio Tocantins-Araguaia basin. (a) Serrapinnus aster, male, UFRGS 12023, 26.9 mm SL; (b) S. aster, female, UFRGS 12023, 35.7 mm SL; (c) S. lucindai, male, UFRJ 1260, 24.9 mm SL; (d) S. lucindai, female, UFRJ 1260, 25.9 mm SL; (e) S. sterbai, male, UFRGS 16447, 28.7 mm SL; (f) S. sterbai, female, UFRGS 16447, 29.6 mm SL; (g) S. tocantinensis, male, MCP 40417, 31.6 mm SL; (h) S. tocantinensis, female, MCP 40417, 33.4 mm SL. Lateral view, anterior to left. Scale bar = 1 mm.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928761/files/figure.png	http://doi.org/10.5281/zenodo.4928761	FIGURE 3. Serrapinnus aster, MZUSP 115012, 25.2 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	FIGURE 3. Serrapinnus aster, MZUSP 115012, 25.2 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928777/files/figure.png	http://doi.org/10.5281/zenodo.4928777	FIGURE 7. Serrapinnus lucindai, UFRJ 1260, 25.1 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of the dentary teeth.	FIGURE 7. Serrapinnus lucindai, UFRJ 1260, 25.1 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of the dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928785/files/figure.png	http://doi.org/10.5281/zenodo.4928785	FIGURE 9. Serrapinnus sterbai, UFRGS 16447, 28.7 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	FIGURE 9. Serrapinnus sterbai, UFRGS 16447, 28.7 mm SL; Scanning Electron Microscopy images showing (a) left side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928789/files/figure.png	http://doi.org/10.5281/zenodo.4928789	FIGURE 11. Serrapinnus tocantinensis, INPA 20986, 36.2 mm SL; Scanning Electron Microscopy images showing (a) right side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	FIGURE 11. Serrapinnus tocantinensis, INPA 20986, 36.2 mm SL; Scanning Electron Microscopy images showing (a) right side premaxilla; (b) maxilla; (c) dentary, and (d) detail of dentary teeth.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928781/files/figure.png	http://doi.org/10.5281/zenodo.4928781	FIGURE 8. Serrapinnus sterbai (a) male, MZUSP 40359, 22.8 mm SL, Município de Arraias, periodic lake in the confluence of rio Paraná and rio Bezerra, Tocantins drainage, Tocantins State, Brazil; (b) male, MZUSP uncat., not measured, and (c) female, MZUSP uncat., not measured.	FIGURE 8. Serrapinnus sterbai (a) male, MZUSP 40359, 22.8 mm SL, Município de Arraias, periodic lake in the confluence of rio Paraná and rio Bezerra, Tocantins drainage, Tocantins State, Brazil; (b) male, MZUSP uncat., not measured, and (c) female, MZUSP uncat., not measured.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
03BCEF20EC12FF89FF68F9A5FA00447C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4928787/files/figure.png	http://doi.org/10.5281/zenodo.4928787	FIGURE 10. Serrapinnus tocantinensis, (a) holotype, male, UFRGS 16442, 32.5 mm SL, córrego Fundo, tributary of rio das Garças, Município de Barra do Garças, Mato Grosso, Brazil; (b) paratype, female, UFRGS 12021, 29.9 mm SL, same data as holotype.	FIGURE 10. Serrapinnus tocantinensis, (a) holotype, male, UFRGS 16442, 32.5 mm SL, córrego Fundo, tributary of rio das Garças, Município de Barra do Garças, Mato Grosso, Brazil; (b) paratype, female, UFRGS 12021, 29.9 mm SL, same data as holotype.	2014-08-06	Malabarba, Luiz R.;Jerep, Fernando C.		Zenodo	biologists	Malabarba, Luiz R.;Jerep, Fernando C.			
