Table 2.
Morphometric data on spermatozoa of neotropical primates collected from the literature.
| Species | Head Length (µm) | Head Width (µm) | Acrosome Length (µm) | Midpiece Length (µm) | Total Length (µm) | Midpiece Volume (µm3) | Ellipticity (HL/HW) | Elongation (HL − HW)/(HL + HW) | Number of Specimens Analyzed | References |
|---|---|---|---|---|---|---|---|---|---|---|
| Cebidae familiy | ||||||||||
| Callithrix jacchus | 5 | 4.4 | 50 | 1 | [9] | |||||
| C. jacchus | 5 | 3 | 50 | 1.67 | 0.25 | 1 | [2] | |||
| C. jacchus | 5.6 | 3.9 | 48.2 | 0.6 | [11] | |||||
| C. jacchus | 5.19 | 3.46 | 1. 5 | 0.2 | 5 | [21] | ||||
| C. jacchus | 5.19 | 3.46 | 1.5 | 0.2 | 4 | [24] | ||||
| Callithrix jacchus Mean * | 5.20 | 3.31 | 4.15 | 49.4 | 1.58 | 0.22 | ||||
| C. pygmaea | 4.6 | 8.5 | 45.5 | 3.3 | 1 | [11] | ||||
| Callimico goeldii | 4.95 | 3.14 | 1.58 | 0.22 | 5 | [22] | ||||
| C. goeldii | 4.95 | 3.14 | 1.58 | 0.22 | 5 | [21] | ||||
| Callimico goeldii Mean * | 4.95 | 3.14 | 1.58 | 0.22 | ||||||
| Saguinus midas | 5.3 | 9.1 | 45.5 | 10.2 | 1 | [11] | ||||
| S. oedipus | 4.7 | 1.2 | 43.6 | 8.9 | 1 | [11] | ||||
| Aotus lemurinus | 4.7 | 2.8 | 6.6 | 55.1 | 1.68 | 0.25 | 3 | [18] | ||
| Saimiri boliviensis | 6.1 | 4.3 | 10.5 | 76.8 | 1.42 | 0.17 | 1 | [18] | ||
| S. boliviensis | 5.71 | 3.76 | 3.7 | 12.21 | 71.39 | 1.52 | 0.21 | 2 | [20] | |
| Saimiri boliviensis Mean * | 5.91 | 4.03 | 3.70 | 11.36 | 74.10 | 1.46 | 0.19 | |||
| S. sciureus | 5.6 | 10.1 | 71.1 | 6.3 | 1 | [11] | ||||
| S. sciureus | 5.11 | 3.51 | 9.03 | 69.24 | 1.45 | 0.19 | 1 | [17] | ||
| Saimiri sciureus Mean * | 5.36 | 3.51 | 9.57 | 70.17 | 1.52 | 0.21 | ||||
| S. collinsi | 6.2 | 4.3 | 76.7 | 1.44 | 0.18 | 10 | [19] | |||
| S. vanzolinii | 6.8 | 4.8 | 76.1 | 1.42 | 0.17 | 2 | [19] | |||
| Saimiri sp. Mean * | 5.92 | 4.13 | 3.70 | 10.46 | 73.56 | 1.43 | 0.18 | |||
| Cebus nigritus | 5.68 | 3.75 | 9.29 | 67.83 | 1.51 | 0.21 | 1 | [20] | ||
| C. nigritus | 6.29 | 4.11 | 3.59 | 9.35 | 66.27 | 5.2 | 1.53 | 0.21 | 1 | This study |
| Cebus nigritus Mean * | 5.99 | 3.93 | 3.59 | 9.32 | 67.05 | 1.52 | 0.21 | |||
| Cebus cay (ex C. paraguayanus) | 5.87 | 3.72 | 8.53 | 67.26 | 1.58 | 0.22 | 1 | [20] | ||
| C. cay | 6.14 | 3.90 | 3.44 | 8.67 | 65.06 | 5.05 | 1.58 | 0.22 | 3 | This study |
| Cebus cay Mean * | 6.01 | 3.81 | 3.44 | 8.60 | 66.16 | 1.58 | 0.22 | |||
| C. albifrons | 9 | 13.2 | 67.2 | 8.4 | 1 | [11] | ||||
| C. apella | 8.5 | 11.6 | 72.7 | 4.5 | 1 | [11] | ||||
| Cebus sp. Mean * | 6.47 | 3.88 | 3.49 | 9.37 | 66.91 | 1.67 | 0.25 | |||
| Cebidae Mean * | 5.71 | 3.70 | 3.52 | 8.96 | 61.45 | 1.54 | 0.21 | |||
| Atelidae family | ||||||||||
| Alouatta caraya | 5 | 3.09 | 3.63 | 53.93 | 1.62 | 0.24 | 1 | [20] | ||
| A. caraya | 4.66 | 2.94 | 1.58 | 0.23 | 5 | [21] | ||||
| A. caraya | 4.93 | 3.35 | 2.36 | 3.48 | 50.09 | 2.65 | 1.47 | 0.19 | 2 | This study |
| A. caraya | 4.66 | 2.94 | 1.58 | 0.23 | 5 | [23] | ||||
| Alouatta caraya Mean * | 4.81 | 3.08 | 2.36 | 3.56 | 52.01 | 1.56 | 0.22 | |||
| Ateles paniscus | 5.11 | 3.27 | 7.22 | 67.26 | 1.56 | 0.22 | 1 | [20] | ||
| A. paniscus | 6.4 | 10.2 | 54.9 | 13.2 | 1 | [11] | ||||
| Ateles paniscus Mean * | 5.75 | 3.27 | 8.71 | 61.08 | 13.2 | 1.56 | 0.28 | |||
| A. chamek | 5.16 | 3.27 | 2.51 | 7.34 | 64.09 | 5.42 | 1.58 | 0.22 | 1 | This study |
| A. belzebuth | 5.2 | 2.7 | 2.27 | 6.56 | 70.83 | 3.53 | 1.92 | 0.32 | 1 | This study |
| A. geoffroyi | 4.51 | 2.78 | 1.62 | 0.24 | 5 | [21] | ||||
| Ateles sp. Mean * | 5.00 | 3.01 | 2.39 | 7.04 | 67.39 | 1.66 | 0.27 | |||
| Atelidae Mean * | 4.91 | 3.08 | 2.38 | 5.29 | 59.38 | 1.65 | 0.25 | |||
| Total | 75 |
Cebus cay = Sapajus cay; Cebus nigritus = Sapajus nigritus; Cebus apella = Sapajus apella. * The bolds represent mean value for the species according to the individuals analyzed.