1996
DOI: 10.2108/zsj.13.151
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Amplexus and Mating Behavior in the Japanese Horseshoe Crab, Tachypleus tridentatus

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Cited by 33 publications
(18 citation statements)
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References 19 publications
(30 reference statements)
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“…Among extant chelicerates, terrestrial forms such as scorpions tend to be restricted to processing oxygen from air (e.g., by means of book lungs). However, marine xiphosurans, which normally extract oxygen from water by means of external book gills, are nevertheless capable of respiration when they journey onto land to spawn 35 . The circulatory and respiratory organs of xiphosurans (horseshoe crabs) are equally complex to those of scorpions 34,36 , and this may contribute to their ability to respire in air and survive on land.…”
Section: Resultsmentioning
confidence: 99%
“…Among extant chelicerates, terrestrial forms such as scorpions tend to be restricted to processing oxygen from air (e.g., by means of book lungs). However, marine xiphosurans, which normally extract oxygen from water by means of external book gills, are nevertheless capable of respiration when they journey onto land to spawn 35 . The circulatory and respiratory organs of xiphosurans (horseshoe crabs) are equally complex to those of scorpions 34,36 , and this may contribute to their ability to respire in air and survive on land.…”
Section: Resultsmentioning
confidence: 99%
“…7) and similar size distributions have been shown in 'Limulus' decheni, from the Palaeogene (Eocene; 56 Ma) of Germany (Hauschke and Wilde 2004). Males also have a curved anterior prosomal arch that allows easier mounting of the female during mating; in T. tridentatus this structure is extremely pronounced and visible dorsally in the form of an anterior scalloping of the prosomal margin (Botton et al 1996) (Fig. 7a).…”
Section: Sexual Dimorphismmentioning
confidence: 99%
“…Two pairs of claspers are found in the Asian horseshoe crabs [Carcinoscorpius rotundicauda, Tachypleus gigas (Müller, 1785) and T. tridentatus (Leach, 1819)], whereas Limulus polyphemus only has one pair of claspers. Botton et al [1996] theorised that the double claspers in T. tridentatus are an adaptation to prolonged amplexus. Conversely, L. polyphemus satellite males are often found in association with amplexed pairs [Brockmann, Smith, 2009;Brockmann et al, 2015] but this phenomenon is seldom observed in the Asian species [Botton et al, 1996;Brockmann, Smith, 2009].…”
Section: Discussionmentioning
confidence: 99%