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Atergatopsis germaini, 1865, Male. A, dorsal view; B, right anterolateral carapace; C, frontal view; D, whole animal ventral view; E, outer view of left cheliped; F, right 4 th ambulatory leg. Scale bars= =5 mm (A, D), 3 mm (B, E), 2 mm (C), 4 mm (F).
Source publication
One pilumnoid, Neoactumnus convexus Sakai, 1965, and three xanthoids, Lybia caestifera (Alcock, 1898), Atergatopsis germaini A. Milne-Edwards, 1865, and Platypodia tomentosa (De Man, 1902), are newly recorded in Korean fauna. Korean pilumnoids and xanthoids now consist of fifteen species and twenty species, respectively.
Contexts in source publication
Context 1
... Carapace (Fig. 3A) naked, carmine coloured, covered with fine granular surfaces, convex in middle, and hemispherical in outline; each region obscurely defined and markedly convex in 2F; anterolateral margin ( Fig. 3B) con- spicuously with three oblique teeth, lined with fine studded granules; anterolateral borders not crested; front (Fig. 3C) smooth, one third to carapace width, cutting into two lobes by longitudinal median trace. Chelipeds (Fig. 3A, D, E) with relatively long fingers; fingers blunt, black coloured at their apices with one row of four oblique teeth, hardly projecting; upper part of palm granular and lower part ...
Context 2
... Carapace (Fig. 3A) naked, carmine coloured, covered with fine granular surfaces, convex in middle, and hemispherical in outline; each region obscurely defined and markedly convex in 2F; anterolateral margin ( Fig. 3B) con- spicuously with three oblique teeth, lined with fine studded granules; anterolateral borders not crested; front (Fig. 3C) smooth, one third to carapace width, cutting into two lobes by longitudinal median trace. Chelipeds (Fig. 3A, D, E) with relatively long fingers; fingers blunt, black coloured at their apices with one row of four oblique teeth, hardly projecting; upper part of palm granular and lower part ...
Context 3
... Carapace (Fig. 3A) naked, carmine coloured, covered with fine granular surfaces, convex in middle, and hemispherical in outline; each region obscurely defined and markedly convex in 2F; anterolateral margin ( Fig. 3B) con- spicuously with three oblique teeth, lined with fine studded granules; anterolateral borders not crested; front (Fig. 3C) smooth, one third to carapace width, cutting into two lobes by longitudinal median trace. Chelipeds (Fig. 3A, D, E) with relatively long fingers; fingers blunt, black coloured at their apices with one row of four oblique teeth, hardly projecting; upper part of palm granular and lower part ...
Context 4
... Carapace (Fig. 3A) naked, carmine coloured, covered with fine granular surfaces, convex in middle, and hemispherical in outline; each region obscurely defined and markedly convex in 2F; anterolateral margin ( Fig. 3B) con- spicuously with three oblique teeth, lined with fine studded granules; anterolateral borders not crested; front (Fig. 3C) smooth, one third to carapace width, cutting into two lobes by longitudinal median trace. Chelipeds (Fig. 3A, D, E) with relatively long fingers; fingers blunt, black coloured at their apices with one row of four oblique teeth, hardly projecting; upper part of palm granular and lower part ...
Context 6
... Zosiminae Alcock, 1898 Genus 1 *Atergatopsis A. Milne-Edwards, 1862 2 *Atergatopsis germaini A. Milne-Edwards, 1865 (Fig. 3) Atergatopsis germaini A. Milne-Edwards, 1865, p. 257, pl. 11, figs. 1a-b;Guinot, 1964, p. 16, figs. 3a-c;Sakai, 1976, p. 413, fig. 217;Miyake, 1983, p. 103, pl. 35, fig. 2; Se- rène, 1984, p. ...
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Citations
... In addition to anemones, boxer crabs occasionally collect and hold in their claws other small invertebrates. Most notably, Tunebia hatagumoana appear to almost always hold small nudibranchs of the genus Gymnodoris, possibly Gymnodoris citrina (Sakai 1961, Baba & Noda 1993, although Lee et al. (2008) Lybia denticulata (Nobili 1906) Red Sea Unknown Unknown Guinot (1976) Lybia edmondsoni (Takeda & Miyake 1970 Sakai (1961) reported one specimen found holding an unidentified anemone. Tunebia hatagumoana have been observed holding nudibranchs in both Japan and the Philippines ; however, a majority of the studied specimens are preserved, impeding on the identification of small soft tissue animals held by the crabs. ...
... In addition to anemones, boxer crabs occasionally collect and hold in their claws other small invertebrates. Most notably, Tunebia hatagumoana appear to almost always hold small nudibranchs of the genus Gymnodoris, possibly Gymnodoris citrina (Sakai 1961, Baba & Noda 1993, although Lee et al. (2008) Lybia denticulata (Nobili 1906) Red Sea Unknown Unknown Guinot (1976) Lybia edmondsoni (Takeda & Miyake 1970 Sakai (1961) reported one specimen found holding an unidentified anemone. Tunebia hatagumoana have been observed holding nudibranchs in both Japan and the Philippines ; however, a majority of the studied specimens are preserved, impeding on the identification of small soft tissue animals held by the crabs. ...
... All members of the subfamily Eumedoninae Dana, 1853 are symbionts of Echinodermata , 1998, 2000Castro, 2015). Within the Pilumninae Samouelle, 1819, only three species, Gorgonariana sodalis (Alcock, 1898), Neoactumnus convexus Sakai, 1964, andLatopilumnus tubicolus Türkay &Schuhmacher, 1985, have been reported as symbionts of Cnidaria and Porifera (Alcock, 1898;Takeda & Miyake, 1968a;Türkay & Schuhmacher, 1985;Schuhmacher, 1987;Galil & Takeda 1988;Minemizu, 2000;Lee et al., 2008). ...
... Gorgonariana sodalis (Alcock, 1898) Cnidaria: Anthothelidae: Solenocaulon sp. Alcock, 1898;Takeda & Miyake, 1968a;Galil & Takeda, 1988;Dev Roy, 2015 Neoactumnus convexus Sakai, 1964 Cnidaria: unidentified anemones Minemizu, 2000;Lee et al., 2008 Latopilumnus tubicolus Türkay & Schuhmacher, 1985 Cnidaria: Dendrophyliidae: Tubastraea micranthus (Ehrenberg, 1834) ...
... There are few known pilumnines which are obligate symbionts with other invertebrates ( Table 1). The habits of Neoactumnus convexus Sakai, 1964, remain unclear, although it has been found among sea anemones (Cnidaria) (Minemizu, 2000;Lee et al., 2008); whether it is an obligate occupant remains unknown. Gorgonariana sodalis (Alcock, 1898) has been reported only from inside the octocoral Solenocaulon (Anthothelidae) in the Indian Ocean and West Pacific (see Takeda & Miyake, 1968a;Galil & Takeda, 1988). ...
A new genus and new species of pilumnid crab, Ericiolumnus symbioticus (Decapoda: Brachyura), is described from the sponge Callyspongia Duchassaing & Michelotti, 1864 (Porifera: Callyspongiidae) in reefs in Lombok, Indonesia. The new taxon is characterized, among several characters, by the unusual shape of the carapace, which possesses sharp anterolateral teeth armed with secondary spinules, and prominently spinulous ambulatory legs. Another pilumnid, Pseudactumnus pestaeBalss, 1933, is shown to be a junior synonym of Actumnus asper (Rüppell, 1830). The pilumnid genus PseudactumnusBalss, 1933 is additionally synonymised with ActumnusDana, 1851. A review of symbiosis in Pilumnidae is also presented.
... Kim and Kim (1997) Z1-2 Terada (1985) Parapanope euagora De Man 1895 Kim and Kim (1997) Pilumnidae Samouelle, 1819 Echinoecus pentagonus (A. Milne-Edwards 1879) Kim and Kim (1997) Z1-3, Mega Van Dover et al. (1986) Echinoecus nipponicus Miyake 1939 Lee et al. (2011) Harrovia elegans De Man 1887 Kim and Kim (1997) Harrovia japonica Balss 1921 Lee and Ko (2009a) Z1-4 Lee and Ko (2009b) Actumnus elegans De Man 1888 Kim and Kim (1997) Actumnus marissinicus Takeda and Kim 1977 Kim andKim (1997) Benthopanope indica (De Man 1887) Kim and Kim (1997) Z1-4, Mega Ko (1995) Heteropilumnus ciliatus (Stimpson 1858) Kim and Kim (1997) Z1-3 Ko and Yang (2003) Neoactumnus convexus Sakai 1965 Lee et al. (2008) Pilumnopeus granulatus Balss 1933 Ko and Takeda (2000) Z1-4, Mega Ko (1997) Pilumnopeus makianus (Rathbun 1931) Kim and Kim (1997) Z1-4 Lee (1993) Pilumnus longicornis Hilgendorf 1878 Kim and Kim (1997) Z1 Clark and Paula (2003) Pilumnus minutus De Haan 1835 Kim and Kim (1997) Z1-4, Mega Ko (1994aKo ( , 1997 Pilumnus trispinosus (Sakai 1965) Kim and Kim (1997) Z1-4, Mega Ko (1994b) Zehntneriana amakusae (Takeda and Miyake 1969) Lee et al. (2011) Z, zoeal stage; Mega, megalopal stage. segment with 1 seta, distal segment with 6 (2 subterminal, 4 terminal) setae; exopod seta and epipod absent. ...
The first zoeas of Parapanope euagora and Halimede fragifer hatched in the laboratory from two ovigerous galenid crabs of Pilumnoidea were collected from Jindo Island, Jeolanam-do, southern Korea. Their morphologies are described in P. euagora for the first time in the world and re-described in H. fragifer with the color images of live zoeas. In this study, they show a general morphology of Pilumnoidea by having a long antennal exopod, an endopod of the maxillule with 1, 2+4 setae, an endopod of the maxilla with 3+5 setae, and a fork of the telson with two lateral armatures. However, the first zoea of P. euagora differs from other known zoeas of pilumnoid species including H. fragifer by having a long antennal exopod with a medial seta and spine, not two spines, and a fork of telson with two lateral setae, not a seta and spine. Such characteristics of the antennal exopod and the fork of telson are reported for the first time in the pilumnoid zoeas. A comparison between the first zoeal stage of H. fragifer in this study and that of Terada shows minute differences in the characteristics of the antennule and the fork of telson.
... 2f). Neoactumnus convexus has been recorded from Japan (Sakai, 1965) and South Korea (Lee et al., 2008); while N. unispina was described from a single female (cl 10.5 mm, cb 13.5 mm) collected from the Sulu Archipelago in the Philippines. ...
Actumnus simplex Rathbun, 1911, described 100 years ago and never reported again since, is recorded for the first time from the Persian Gulf. The species is characterized by a prominently convex dorsal carapace surface, regions that are weakly defined, four serrated anterolateral teeth, and a gently serrated frontal margin with a distinct median notch. It is morphologically close to Neoactumnus convexus Sakai, 1965, and N. unispina Garth & Kim, 1983, both from the western Pacific, but is easily distinguishable by possessing a distinct median notch in the frontal margin. Actumnus simplex Rathbun, 1911, décrit il y a 100 ans et jamais retrouvé depuis, est signalé pour la première fois du Golfe Persique. L'espèce est caractérisée par la face dorsale de la carapace présentant une forte convexité, des régions faiblement délimitées, quatre dents antérolatérales serrulées et un bord frontal légèrement dentelé avec une échancrure médiane distincte. L'espèce est morphologiquement proche de Neoactumnus convexus Sakai, 1965, et de N. unispina Garth & Kim, 1983, toutes deux de l'Ouest Pacifique, mais s'en distingue aisément par l'échancrure médiane prononcée du bord frontal.
... At present, five subfamilies are recognized in the family Pilumnidae (see Ng et al., 2008): Calmaniinae, Eumedoninae, Pilumninae, Rhizopinae, and Xenophthalmodinae. Eumedoninae, with three species, and Pilumninae, with nine species, have so far been reported from Korean waters (Kim and Kim, 1997;Lee et al., 2008;Lee and Ko, 2009). During a survey on decapod fauna from Jejudo Island, two eumedoninid crabs associated with sea urchins and two rhizopinid crabs were collected. ...
Two pilumnid species, Echinoecus nipponicus and Zehntneriana amakusae, are described and illustrated from Jejudo Island, southern Korea. These species are recorded for the first time in Korea, and Z. amakusae is the sole representative of the subfamily Rhizopinae of the family Pilumnidae.
... Until now, 20 species of Xanthidae have been recorded from Korean waters: Actaea semblatae Guinot, 1976, Atergatis floridus (Linnaeus, 1767, Atergatis reticulates De Haan, 1833, Atergatopsis germaini A. Milne Edwards, 1865, Banareia subglobosa (Stimpson, 1858), Calvactaea tumida Ward, 1933, Cycloxanthops tuncatus (De Haan, 1837, Forestia depressa (White, 1847), Gaillardiellus orientalis (Odhner, 1925) (Rathbun, 1902), Neoliomera insularis (Adams and White, 1849), Novactaea pulchella (A. Milne Edwards, 1865), Palapedia integra (De Haan, 1835), Pilodius nigrocrinitus Stimpson, 1858, Platypodia tomentosa (De Man, 1902) (Kim and Kim, 1997;Takeda, 1999, 2000;Lee and Ko, 2008;Lee, Kim and Kim, 2008). The continuous taxonomic study on the brachyuran species collected from Korean waters revealed that two crabs, Actaea polyacantha (Heller, 1861) and Actaeodes hirsutissimus (Rüppell, 1830), are new to Korean fauna. ...
Two species of xanthids, Actaea polyacantha (Heller, 1861) and Actaeodes hirsutissimus (Rppell, 1830) collected from Jejudo Island, are newly recorded from Korean waters. Korean Xanthidae now consists of 22 species belonging to twenty genera.
The increasing concerns and management needs on marine biodiversity have escalated the requirement for timely documentation of the marine taxa. We first established a comprehensive ecological checklist of Korean Brachyura through a meta-analysis of 74 documents (since the 1870s). A total of 247 species inhabiting the Korean coastal waters are listed with some key ecological information; habitat, substrate, distribution, and delta +. The crabs predominated on Jejudo Island, at the southernmost point of Korea, followed by the South Sea, West Sea, and East Sea. Portunus trituberculatus and Hemigrapsus sanguineus were cosmopolitan species widely distributed across the three seas. Dynamic oceanographic settings of the South Sea, such as archipelago, Rias coast, varied habitats, and (in)direct influence of Kuroshio warm current, seemed to support high crab diversity. The rocky and subtidal habitats represented biodiversity hotspots. The present study would be a useful baseline for gathering further ecological information of globally important marine taxa in Korea and elsewhere.
