Population Ecology of the Sand-Dwelling Hermit Crab Diogenes Nitidimanus Terao: 3. Mating System
The mating system of the hermit crab, Diogenes nitidimanus, was observed. The male guards the female before copulation. This behavior is often observed in their natural habitat, the tidal flat. The mean size of males is larger than that of females in the population, and the paired male is also larger than his mate. In the field only larger males succeeded in mating, despite the fact that all males in the population are considered to be mature, whereas in the case of paired females size was irrelevant. Laboratory experiments also showed that larger males always won the competition for mature females.
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Document Type: Research Article
Publication date: 1987-09-01
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