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- W2054077881 abstract "Most species of pycnogonids are sexually dimorphic and all have exclusive male care of the offspring, characteristics that make them essential for studies on sex-roles, sexual selection, and parental investment. However, sea spiders have been understudied because of their small size, cryptic coloration, and often patchy distribution, and little is known about their courtship and mating behaviors. The mating habits of both male and female Achelia simplissima (Hilton 1939) were studied experimentally and observationally. This species mates year-round and females commonly initiate courtship by actively ‘pumping’ their bodies near a male. When both nonparental and parental males were present, females mated significantly more often with males that were not carrying egg masses. Each mating event resulted in a single egg mass. Most often, males placed the first egg mass on their right oviger and then alternated between ovigers with subsequent matings. The newest (least developed) egg mass was always placed at the tip of the oviger. Both males and females routinely mated multiple times and had multiple mates; in the field, males were found carrying up to twelve egg masses simultaneously. This is the first experimental study to describe both the male and female mating system of a pycnogonid, and the first observations of courtship and mating for any species with the ammotheid type of ovigers." @default.
- W2054077881 created "2016-06-24" @default.
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- W2054077881 date "2011-09-01" @default.
- W2054077881 modified "2023-09-25" @default.
- W2054077881 title "The polygamous mating system of the sea spiderAchelia simplissima" @default.
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- W2054077881 doi "https://doi.org/10.1080/07924259.2011.557555" @default.
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