This species is clearly Anisogamous.
Anisogamy is a type of sexual reproduction in which two gametes with different sizes and/or forms are fused together. The larger gamete is often an egg cell, whereas the smaller gamete is a male sperm cell. The majority of multicellular creatures exhibit anisogamy.
In humans, for instance, the male gamete sperm is smaller and more mobile, whereas the female gamete egg is larger and less mobile.
In anisogamy, small gametes are not compatible with other small gametes, and neither are large gametes with other large gametes.
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