Data from: Ejaculate evolution in external fertilizers: influenced by sperm competition or sperm limitation?

Wen Bo Liao, Yan Huang, Yu Zeng, Mao Jun Zhong, Yi Luo & Stefan Lüpold
The evolution of sperm quality and quantity is shaped by various selective processes, with sperm competition generally considered the primary selective agent. Particularly in external fertilizers, however, sperm limitation through gamete dispersal can also influence gamete investments, but empirical data examining this effect are limited. Here, we studied the relative importance of sperm competition and the spawning conditions in explaining the macroevolutionary patterns of sperm size and number within two taxa with external fertilization but...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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