Table 2.
Larval developmental events of S. sphaeroides. Three replicate fertilization experiments were conducted and for each developmental stage, 10 embryos from each replicate were used for the observation and measurement of larvae.
Time after insemination | Developmental stages | Length (μm) |
---|---|---|
16.15 h | Gastrula | 178.71 ± 5.52 |
22.25 h | Prism | 181.56 ± 3.99 |
34.00 h | 2-arm pluteus | 233.01 ± 10.51 |
48.00 h | 4-arm pluteus | 364.72 ± 6.57 |
10.00 d | 6-arm pluteus | 545.62 ± 10.72 |
16.00 d | 8-arm pluteus | 716.85 ± 9.99 |
28.00 d | Precompetent larva with ciliated ring and growing rudiment | 929.02 ± 9.62 |
35.00 d | Competent larva with complete rudiment | 740.36 ± 11.51 |
36.00 d | Juvenile (1 d after metamorphosis) | 413.98 ± 6.11 |