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42 results for “Spintherobolus”
Fig. 38 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 38. Graph of caudal peduncle depth as a function of standard length of Spintherobolus leptoura (black symbols) and S. broccae (empty symbols). Axes are logarithmic. Note that the 95 % confidence intervals in lengths of about 18 to 24 mm SL do not overlap with the means of these of the compared species indicating a significant difference in these size ranges. Comparison of these growth patterns are discussed under the diagnosis of S. leptoura.
Fig. 37. Spintherobolus leptoura, MZUSP 41854 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 37. Spintherobolus leptoura, MZUSP 41854, paratype, adult female 25.0 mm SL, Brazil, São Paulo, fazenda Dalila, Registro.
Fig. 36. Spintherobolus leptoura, MZUSP 41854 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 36. Spintherobolus leptoura, MZUSP 41854, holotype, adult male 19.1 mm SL, Brazil, São Paulo, fazenda Dalila, Registro.
Fig. 35. Spintherobolus broccae, USNM 297997 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 35. Spintherobolus broccae, USNM 297997, adult female, SL uncertain, Brazil, São Paulo, Bertioga.
Fig. 34. Spintherobolus broccae, USNM 92959 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 34. Spintherobolus broccae, USNM 92959, paratype, adult male 20.3 mm SL, Brazil, vicinity of Rio de Janeiro.
Fig. 31. Spintherobolus ankoseion, USNM 297926 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 31. Spintherobolus ankoseion, USNM 297926, adult male, SL uncertain. Brazil, Parana, southwest of Paranaguá.
Fig. 30. Spintherobolus ankoseion, MCP 19253 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 30. Spintherobolus ankoseion, MCP 19253, paratype, female 27.9 mm SL, Brazil, Santa Catarina, Barra do Sai.
Fig. 29. Spintherobolus ankoseion, MZUSP 35430 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 29. Spintherobolus ankoseion, MZUSP 35430, holotype, male, 23.1 mm SL, Brazil, Santa Catarina, Barra do Sai.
Fig. 28. Spintherobolus papilliferus, FMNH 54918 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 28. Spintherobolus papilliferus, FMNH 54918, holotype, 34.1 mm SL. Brazil, São Paulo, Alto da Serra, near Paranapiacaba.
Fig. 27. Spintherobolus papilliferus, MZUSP 49408 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 27. Spintherobolus papilliferus, MZUSP 49408, adult female, 50.3 mm SL, Brazil, São Paulo, near Paranapiacaba.
Fig. 26. Spintherobolus papilliferus, MZUSP 51021, female 60.8 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 26. Spintherobolus papilliferus, MZUSP 51021, female 60.8 mm SL, Brazil, Sao Paulo, rio Ipiranga.
Fig. 33. Spintherobolus broccae, USNM 287324, adult female 20.8 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 33. Spintherobolus broccae, USNM 287324, adult female 20.8 mm SL, Brazil, Rio de Janeiro, Cachoeira de Macacu.
Fig. 25 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 25. Graph of caudal peduncle depth as a function of standard length for Spintherobolus leptoura (black symbols) and S. ankoseion (empty symbols). Axes are logarithmic. Note that the 95 % confidence intervals in lengths of about 21 to 27 mm SL do not overlap with the means of the compared species indicating a significant difference in these size ranges. These growth pattern differences are used to separate these species in the key and text.
Fig. 23 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 23. Tukey box plots of the number of procurrent caudal-fin rays in species of Spintherobolus. Significant differences were not found between S. papilliferus and S. leptoura, between S. leptoura and S. ankoseion, and between S. papilliferus and S. ankoseion. However, significant differences using Mann-Whitney rank sum tests were found between S. papilliferus and S. broccae (T = 984, P <0.001), between S. broccae and S. leptoura (T = 195, P = <0.001), and between S. broccae and S. ankoseion (T = 604, P = <0.001).
Fig. 24 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 24. Graph of body depth as a function of standard length for Spintherobolus leptoura (black symbols) and S. ankoseion (empty symbols). Axes are logarithmic. Note that the 95 % confidence intervals in lengths of about 21 to 28 mm SL do not overlap with the means of the of the compared species indicating a significant difference in these size ranges. These growth pattern differences are used to separate these species in the key and text.
Fig. 22 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 22. Tukey box plots of the number of longitudinal series scales in species of Spintherobolus. Visual comparison of these box plots shows that these scale counts of S. papilliferus are obviously different from all the other species. The counts of. S. leptoura may be different from those of S. broccae and S. ankoseion, but the available counts for S. leptoura are too few (3) for useful statistical comparisons. The counts of S. broccae and S. ankoseion are not significantly different.
Fig. 21 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 21. Tukey box plots of the number of vertebrae in species of Spintherobolus. Visual comparison of these box plots shows that the vertebral counts of S. papilliferus are obviously different from all other species. Those of S. broccae and S. leptoura are not significantly different and those of S. ankoseion, although overlapping with those of S. broccae and 5. leptoura are significantly different from these two species when subject to Mann-Whitney rank-sum tests (T = 398, P <0.001 and T = 246, P <0.001 respectively).
Fig. 15. Spintherobolus leptoura, USNM 346386 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 15. Spintherobolus leptoura, USNM 346386, adult male, paratype, 21.8 mm SL. Anal fin, lateral view, left side, showing the distribution of pigment pattern on the fin and the derived nature of branched rays 2 through 5.
Fig. 20 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 20. Tukey box plots of the number of branched anal-fin rays in species of Spintherobolus. Visual comparison of these box plots shows that the anal-fin ray counts of S. papilliferus are obviously different from all other species. Also, although there is overlap, the counts of S. broccae are obviously significantly different from those of S. leptoura and S. ankoseion. However, there were no significant differences between the counts of S. leptoura and S. ankoseion when subject to a Mann-Whitney rank-sum test.
Fig. 18. Spintherobolus ankoseion, USNM 297935 in Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil
Fig. 18. Spintherobolus ankoseion, USNM 297935, adult male, 24.5 mm SL. Osteology of pectoral girdle.
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