taxonID	type	description	language	source
03BD6C1BBD43FFB5FF421FFAFD3AF897.taxon	description	In the spermatozoon of Boehlkea fredcochui the ovoid nucleus measures 2.0 µ m in the longitudinal axis and 1.5 µ m in the transverse axis. The surrounding strip of cytoplasm has large and small vesicles (Fig. 4 A-C). Nuclear rotation toward the flagellar axis is about 60 degrees (Fig. 4 A-B). The midpiece has a conical shape and a length of about 1.6 µ m, and contains some elongate mitochondria (Fig. 4 A-G). The endomembrane system is composed of larger vesicles connected to a clump of smaller vesicles with a lacy aspect (Fig. 4 H-K).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD43FFB5FF421D1AFB1DFEF7.taxon	description	In the spermatozoon of Bryconacidnus ellisi, the ovoid nucleus measures 1.7 µ m in the longitudinal axis and 1.4 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 5 A). Nuclear rotation toward the flagellar axis was about 80 degrees (Fig. 5 A). The midpiece has a conical shape, measures approximately 0.5 µ m in length and contains some elongate mitochondria. The endomembrane system is composed by small vesicles with a lacy aspect and connected to the plasma membrane (Fig. 5 B-E).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD43FFB5FCFA1BBBFA27FD57.taxon	description	In the spermatozoon of Bryconamericus exodon the ovoid nucleus measures 1.5 µ m in the longitudinal axis and 1.2 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 6 A). Nuclear rotation toward the flagellar axis was about 80 degrees (Fig. 6 A-B). The midpiece has a conical shape, measures about 1.17 µ m in length and contains some slightly elongate mitochondria (Fig. 6 A-E). The endomembrane system is composed by vesicles with different sizes connected to clump of smaller vesicles with a lacy aspect (Fig. 6 F-L).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD43FFB5FCFA18DBFAF5FBF7.taxon	description	In the spermatozoa of Ceratobranchia obtusirostris the nucleus measures 1.3 µ m in the longitudinal axis and 1.1 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 7 A). Nuclear rotation toward the flagellar axis was about 70 degrees (Fig. 7 A-B). The midpiece has a conical shape, measures about 0.6 µ m in length, and contains some slightly elongate mitochondria (Fig. 7 A-D). Information on the endomembrane system is not available, since the specimens of C. obtusirostris have been obtained from ichthyological collections and the gonads were not appropriately preserved for ultrastructural analysis.	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD43FFB5FCFA1EBBFA3EFA57.taxon	description	In the spermatozoon of Creagrutus meridionalis, the ovoid nucleus measures 1.5 µ m in the longitudinal axis and 1.13 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 8 A-C). Nuclear rotation toward the flagellar axis was about 75 degrees (Fig. 8 A). The midpiece has a conical shape, measures about 1.47 µ m in length, and contains some slightly elongate mitochondria (Fig. 8 A-C). The endomembrane system is composed by vesicles with different sizes connected to clump of smaller vesicles with a lacy aspect (Fig. 8 D-K).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD43FFB5FCFA1FDBFB39F8B7.taxon	description	In the spermatozoon of Cyanocharax alburnus, the ovoid nucleus measures 1.7 µ m in the longitudinal axis and 1.4 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 9 A-B). Nuclear rotation toward the flagellar axis was about 70 degrees (Fig. 9 A-B). The midpiece has a conical shape, measures about 0.9 µ m in length and contains some slightly elongated mitochondria (Fig. 9 C-G). The endomembrane system is composed of interconnected vesicles of different sizes (9 A-G).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD43FFB4FCFA1D7BFD47F8B7.taxon	description	In the spermatozoon of Hemibrycon surinamensis the ovoid nucleus measures 1.52 µ m in the longitudinal axis and 1.2 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 10 A). Nuclear rotation toward the flagellar axis was about 95 degrees (Fig. 10 A). The midpiece has a conical shape, measures about 0.9 µ m in length and contains some slightly elongatemitochondria (Fig. 10 A). Apossibleendomembranesystem seems to be composed of a clump of small vesicles (Fig. 10 B-F).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD42FFB4FF4B1D7AFBFEF837.taxon	description	In the spermatozoon of Knodus meridae, the ovoid nucleus measures 1.3 µ m in the longitudinal axis and 1.1 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 11 A-D). Nuclear rotation toward the flagellar axis was about 75 degrees (Fig. 11 A). The midpiece has a rhomboid shape, measures about 0.9 µ m in length and contains some elongated mitochondria and vesicles (Fig. 11 A-E). Information on the organization of the endomembrane system is not available, since the specimens of K. meridae have been obtained from ichthyological collections and the gonads were not appropriately preserved for ultrastructural analysis.	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD41FFB7FF421A9BFD41FD97.taxon	description	In the spermatozoon of Odontostoechus lethostigmus, the ovoid nucleus measures 1.7 µ m in the longitudinal axis and 1.1 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 12 A-B). Nuclear rotation toward the flagellar axis was about 60 degrees (Fig. 12 A-B). The midpiece has a conical shape, measures about 0.9 µ m in length and contains some elongated mitochondria (Fig. 12 A-C). The endomembrane system is composed of small vesicles connected to one another and to the plasma membrane, being found peripherally throughout the midpiece (Fig. 12 A-F).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD41FFB7FF42181BFE77FC37.taxon	description	In the spermatozoon of Piabina anhembi the ovoid nucleus measures 1.94 µ m in the longitudinal axis and 1.64 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 13 A). Nuclear rotation toward the flagellar axis was about 80 degrees (Fig. 13 A). The midpiece has a conical shape, measures about 1.13 µ m in length and contains some large and slightly elongated mitochondria (Fig. 13 A). The endomembrane system is composed of vesicles with different sizes. The smaller are sparse, whereas the larger ones are connected to one another and to the plasma membrane (Fig. 13 B-K).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD41FFB7FF4219FBFC39FE37.taxon	description	In the spermatozoon of Piabina argentea the ovoid nucleus measures 1.52 µ m in the longitudinal axis and 1.2 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 14 A). Nuclear rotation toward the flagellar axis was about 85 degrees (Fig. 14 A). The midpiece has a conical shape, measures about 0.6 µ m in length and contains some elongate mitochondria (Fig. 14 A, C-E). Information on the endomembrane system is not available, since the specimens of P. argentea have been obtained from ichthyological collections and the gonads were not appropriately preserved for ultrastructural analysis.	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
03BD6C1BBD41FFB7FCFA1BFBFB2BFC97.taxon	description	In the spermatozoon of Rhinobrycon negrensis, the spherical nucleus measures approximately 1.5 µ m in diameter. The surrounding strip of cytoplasm has no organelles (Fig. 15 A). Nuclear rotation toward the flagellar axis was about 50 degrees (Fig. 15 A-B). Large vesicles are found laterally to the nucleus (Fig. 15 B-C). The midpiece has a rhomboid shape, measures about 1.1 µ m in length and contains some mitochondria (Fig. 15 A-C). The endomembrane system is composed of a few large vesicles (Fig. 15 B-E).	en	Baicere-Silva, Clarianna Martins, Ferreira, Katiane M., Malabarba, Luiz R., Benine, Ricardo C., Quagio-Grassiotto, Irani (2011): Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae). Neotropical Ichthyology 9 (2): 377-392, DOI: 10.1590/S1679-62252011005000014, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200016&lng=en&tlng=en
