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Conditions for the distant hybridization
| Sea urchin | Gamete type | Temperature (°C) | ||
|---|---|---|---|---|
| Gamete collection | Fertilization | Incubation | ||
| HC_F | egg | 26 (± 0.5) | 26 (± 0.5) | 24 (± 0.5) |
| SI_C | sperm | 21 (± 0.5) | ||
HC_F Heliocidaris crassispina Fujian population, SI_C Strongylocentrotus intermedius cultured population
