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Fig. 6 in First Record of the Family Myxasteridae (Asteroidea: Velatida) from Western North Pacific with Description of a New Species of Asthenactis

Fig. 6. SEM images of spines of Asthenactis agni n. sp. A, Abactinal spines on the proximal portion of the arms; B, abactinal spines from one of the primary radial plates; C, furrow spines from 3rd adambulacral plate; D, actinolateral spines from 3rd adambulacral plate.

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Fig. 1 in First Record of the Family Myxasteridae (Asteroidea: Velatida) from Western North Pacific with Description of a New Species of Asthenactis

Fig. 1. Sampling site of Asthenactis agni n. sp. (indicated by an orange star) and the geographic distribution of nine known species of the family Myxasteridae in the world's oceans. a, Asthenactis australis; b, Asthenactis papyraceus; c, Asthenactis fisheri; d, Myxaster medusa; e, Myxaster perrieri; f, Myxaster sol; g, Pythonaster atlantidis; h, Pythonaster murrayi; i, Pythonaster pacificus. Previous records with information of the sampling sites and/or coordinates are shown herein (Fisher 1906; Alton 1966; Downey 1979; Clark and Downey 1992; Howell et al. 2002; Dilman 2005; McKnight 2006; Mah et al. 2012; Mah 2020). The locality of A. papyraceus and one of the localities of P. atlantidis are Hawaii and the Porcupine Abyssal Plain, respectively, without data on the coordinates (open circles) (Fisher 1906; Howell et al. 2002). The colors of plots of orange, green, and purple correspond to the genera Asthenactis, Myxaster, and Pythonaster, respectively.

Fig. 5 in Distributional Range Extension of the Pale Ornate Jobfish Pristipomoides amoenus (Teleostei: Perciformes: Lutjanidae) in the Western Pacific Ocean, with Notes on Newly Recognized Diagnostic Coloration

Fig. 5. Live individuals of Pristipomoides argyrogrammicus collected from Motobu, Okinawa-jima island, Japan, and reared at Okinawa Churaumi Aquarium (photos by A. Kaneko). A, B, 200 m depth, 26 September 2019; C, 105 mm TL, juvenile, 150 m depth, 1 March 2020.

Fig. 4 in Distributional Range Extension of the Pale Ornate Jobfish Pristipomoides amoenus (Teleostei: Perciformes: Lutjanidae) in the Western Pacific Ocean, with Notes on Newly Recognized Diagnostic Coloration

Fig. 4. Distributional records of Pristipomoides amoenus. Stars and circles represent localities of specimens examined in the present and previous studies, respectively. Open symbol indicates type locality.

Fig. 3 in Distributional Range Extension of the Pale Ornate Jobfish Pristipomoides amoenus (Teleostei: Perciformes: Lutjanidae) in the Western Pacific Ocean, with Notes on Newly Recognized Diagnostic Coloration

Fig. 3. Live individual of Pristipomoides amoenus collected from Tsuken-jima island, Okinawa Islands, Japan, 300 m depth, 14 December 2019, and reared at Okinawa Churaumi Aquarium (photos by A. Kaneko). A, Lateral view; B, dorsal view.

Fig. 2 in Distributional Range Extension of the Pale Ornate Jobfish Pristipomoides amoenus (Teleostei: Perciformes: Lutjanidae) in the Western Pacific Ocean, with Notes on Newly Recognized Diagnostic Coloration

Fig. 2. Preserved specimens of (A–D) Pristipomoides amoenus and (E–H) P. argyrogrammicus. A, KAUM–I. 156091, 177.3 mm SL, Amamioshima island, Kagoshima, Japan; B, D, KAUM–I. 113361, 184.7 mm SL, Dong-gang, Pingtung, Taiwan; C, KAUM–I. 156091, 221.2 mm SL, Amami-oshima island, Kagoshima, Japan; E, KAUM–I. 139296, 141.7 mm SL, Amami-oshima island, Kagoshima, Japan; F, H, KAUM–I. 108166, 210.9 mm SL, Amami-oshima island, Kagoshima, Japan; G, KAUM–I. 51137, 277.6 mm SL, Tokara Islands, Kagoshima, Japan; D, H: dorsal view.

Fig. 1 in Distributional Range Extension of the Pale Ornate Jobfish Pristipomoides amoenus (Teleostei: Perciformes: Lutjanidae) in the Western Pacific Ocean, with Notes on Newly Recognized Diagnostic Coloration

Fig. 1. Fresh specimens of (A–C) Pristipomoides amoenus and (D–F) P. argyrogrammicus. A, KAUM–I. 156091, 177.3 mm SL, Amami-oshima island, Kagoshima, Japan; B, KAUM–I. 113361, 184.7 mm SL, Dong-gang, Pingtung, Taiwan; C, KAUM–I. 156091, 221.2 mm SL, Amami-oshima island, Kagoshima, Japan; D, KAUM–I. 139296, 141.7 mm SL, Amami-oshima island, Kagoshima, Japan; E, KAUM–I. 108166, 210.9 mm SL, Amami-oshima island, Kagoshima, Japan; F, KAUM–I. 51137, 277.6 mm SL, Tokara Islands, Kagoshima, Japan.

opencc-by-4.0Sep 2017View details →

Data for [Changing abundance of magnetofossil morphologies in pelagic red clay around Minamitorishima, western North Pacific]

---- Note added in Aug 27, 2018. There is an error in the file sratios_MR15E01PC12.xlsx. Please refer to another upload, doi: 10.5281/zenodo.1404158. ----   This is the data used in the manuscript: Changing abundance of magnetofossil morphologies in pelagic red clay around Minamitorishima, western North Pacific

Fig. 4 in Variation of shell shape in Solariella obscura (Vetigastropoda: Trochoidea) in the Eurasian Arctic seas and adjacent part of the Western Pacific Ocean

Fig. 4. PCA scatterplots: A–C – varieties of Solariella obscura; typical form – red crosses, «var. intermedia» – black dots, «var. bella» – blue squares; D–F – geographic groups; Arctic – green crosses, Pacific – violet circles.

Fig. 1 in Variation of shell shape in Solariella obscura (Vetigastropoda: Trochoidea) in the Eurasian Arctic seas and adjacent part of the Western Pacific Ocean

Fig. 1. Varieties of Solariella obscura: A – «var. intermedia», Barents Sea, Iokangskie Islands, 68°04.38′ N, 39°34.70′ E, ZIN 28/4289; B – typical form, Bering Sea, 29 m, 64°02.2′ N, 170°04′ W, ZIN 675/56388; C – «var. bella», Barents Sea, 154 m, 69°40.597′ N, 34°06.184′ E. Scale bar 3 mm.

Fig. 2 in Variation of shell shape in Solariella obscura (Vetigastropoda: Trochoidea) in the Eurasian Arctic seas and adjacent part of the Western Pacific Ocean

Fig. 2. Scheme of shell measurements (A–B) and counting of whorls number (C). Shell of «var. bella». SH – shell height; BWH – body whorl height; AH – aperture height; AW – aperture width; SW – shell width; UW – umbilicus width; spiral arrow indicates the first whorl, whorls number of the shell = 3.9.

Fig. 3 in Variation of shell shape in Solariella obscura (Vetigastropoda: Trochoidea) in the Eurasian Arctic seas and adjacent part of the Western Pacific Ocean

Fig. 3. Box plots of conchological parameters: A – shell height; B – body whorl height; C – aperture height; D – shell width; E – umbilicus width; F – whorls number. 1 – «var. intermedia», 2 – typical form, 3 – «var. bella».

Fig. 1 in Morphological and Molecular Characteristics of Two Species of the Genus Rhadinorhynchus (Palaeacanthocephala: Echinorhynchida) from the Western Pacific

Fig. 1. Line drawings of Rhadinorhynchus seriolae (Yamaguti, 1963). A, Whole body of a male (one of three specimens of ICHUM 8571); B, proboscis of a male (one of three specimens of ICHUM 8571); C, line drawings showing trunk spines in three specimens in ICHUM 8571, arrowhead indicates the border of two regions of trunk spines. Abbreviations: At, anterior testis; Cg, cement glands; Lm, lemniscus; Pb, proboscis; Pr, proboscis receptacle; Pt, posterior testis; Sp, Saefftigen's pouch.

Fig. 2 in Morphological and Molecular Characteristics of Two Species of the Genus Rhadinorhynchus (Palaeacanthocephala: Echinorhynchida) from the Western Pacific

Fig. 2. Line drawings of Rhadinorhynchus laterospinosus Amin, Heckmann, and Ha, 2011. A, Whole body of a male (ICHUM 8572); B, proboscis of a male (ICHUM 8572); C, distribution of trunk spines (ICHUM 8575); D, female genital organ (ICHUM 8575). Abbreviations: At, anterior testis; Cb, copulatory bursa; Cg, cement gland; Pb, proboscis; Pr, proboscis receptacle; Pt, posterior testis; Ub, uterine bell; Ut, uterus; Vg, vagina.

Fig. 3. A in Morphological and Molecular Characteristics of Two Species of the Genus Rhadinorhynchus (Palaeacanthocephala: Echinorhynchida) from the Western Pacific

Fig. 3. A molecular phylogenetic tree reconstructed with maximum-likelihood method (ML). Nodal support values indicate bootstrap value (BS) by ML/Bayesian posterior probability (BPP) by Bayesian inference (BI). Where the trees drawn by ML and BI differ, BPP values are indicated by a hyphen "-".

FIG. 14 in Revision of the genus Actinostella (Cnidaria: Actiniaria: Actinioidea) from tropical and subtropical western Atlantic and eastern Pacific: redescriptions and synonymies

FIG. 14. Cnidae of Actinostella flosculifera (Le Sueur, 1817). A, C, E, H, I, K, L, M, basitrichs; B, spirocysts; F, N, basitrichs S; D, G, J, P, p-mastigophore A; O, b-mastigophore; Q, p-mastigophore B1.

FIG. 8 in Revision of the genus Actinostella (Cnidaria: Actiniaria: Actinioidea) from tropical and subtropical western Atlantic and eastern Pacific: redescriptions and synonymies

FIG. 8. Internal anatomy of Actinostella californica (McMurrich, 1893). A, longitudinal section of the distal column showing distal verrucae (v), vesicles (ve) in the marginal ruff, marginal sphincter muscle (s), and the fosse; B, cross section at the actinopharynx level showing cycles of mesenteries and siphonoglyphs (si); numbers between pairs of mesenteries indicate the corresponding cycle; C, detail of the endodermal marginal sphincter muscle; D, cross section of a tentacle showing the ectodermal longitudinal muscles; E, detail of developing oocytes (o); F, detail of a cross section showing the retractor (r) and parietobasilar (p) muscles; G, cross section of proximal end showing the basilar muscles (r). Abbreviations: b, basilar muscles; ep, epidermis; ga, gastrodermis; me, mesoglea; o, oocytes; p, parietobasilar muscle; r, retractor muscle; s, sphincter; si, siphonoglyph; t, tentacle; v, verrucae; ve, vesicles. Scale bars: A, B, F, 0.5 mm; C–E, G, 0.1 mm.

FIG. 11 in Revision of the genus Actinostella (Cnidaria: Actiniaria: Actinioidea) from tropical and subtropical western Atlantic and eastern Pacific: redescriptions and synonymies

FIG. 11. Internal anatomy of Actinostella digitata (McMurrich, 1893). A, longitudinal section of the distal column showing distal vesicles (ve) in the marginal ruff, marginal sphincter muscle (s), and the fosse; B, cross section proximal to the actinopharynx level showing cycles of mesenteries, and the siphonoglyph (si); numbers between pairs of mesenteries indicate the corresponding cycle; C, detail of verrucae (v) in distal column; D, cross section of a tentacle showing ectodermal longitudinal muscles; E, detail of developing spermatic cysts (sc); F, detail of a cross section showing the retractor (r) and parietobasilar (p) muscles; G, cross section of proximal end showing weak basilar muscles (b). Abbreviations: b, basilar muscles; ep, epidermis; ga, gastrodermis; me, mesoglea; sc, spermatic cysts; p, parietobasilar muscle; r, retractor muscle; s, sphincter; si, siphonoglyph; t, tentacle; v, verrucae; ve, vesicles. Scale bars: A, F, 5mm; B–E, G, 1 mm.

FIG. 5 in Revision of the genus Actinostella (Cnidaria: Actiniaria: Actinioidea) from tropical and subtropical western Atlantic and eastern Pacific: redescriptions and synonymies

FIG. 5. External and internal anatomy of the holotype of Asteractis bradleyi Verrill, 1869 (YPM-1009) (= Actinostella bradleyi). A, lateral view of holotype, showing the marginal ruff; B, oral view of holotype; C, detail of the pedal disc of holotype; D, longitudinal section of the distal column showing distal verrucae (v), vesicles (ve) in the marginal ruff, marginal sphincter muscle (s), and the fosse; E, detail of the endodermal marginal sphincter muscle; F, detail of the verrucae in the distal column; G, cross section at the actinopharynx level showing the directive mesenteries, retractor muscle (r), and siphonoglyphs (si); H, detail of a pair of mesenteries of the third cycle showing the parietobasilar muscle (p); I, longitudinal section of proximal end showing basilar muscles (b). Abbreviations: b, basilar muscle; f, marginal ruff; p, parietobasilar muscle; r, retractor muscle; s, sphincter; si, siphonoglyphs; v, verrucae; ve, vesicle. Scale bars: A–C, 5 mm; D–I, 0.5 mm.

FIG. 3 in Revision of the genus Actinostella (Cnidaria: Actiniaria: Actinioidea) from tropical and subtropical western Atlantic and eastern Pacific: redescriptions and synonymies

FIG. 3. Internal anatomy of Actinostella bradleyi (Verrill, 1869). A, longitudinal section of the distal column showing distal verrucae (v), vesicles (ve) in the marginal ruff, marginal sphincter muscle (s), and the fosse; B, cross section at the actinopharynx level showing four cycles of mesenteries; numbers between pairs of mesenteries indicate the corresponding cycle; C, detail of the endodermal marginal sphincter muscle; D, cross section of a tentacle showing the ectodermal longitudinal muscles; E, detail of developing spermatic cysts (sc); F, detail of developing oocytes (o); G, detail of a cross section showing the retractor (r) and parietobasilar (p) muscles; H, cross section of proximal end showing the basilar muscles (b). Abbreviations: b, basilar muscles; ep, epidermis; ga, gastrodermis; me, mesoglea; o, oocytes; p, parietobasilar muscle; r, retractor muscle; s, sphincter; sc, spermatic cysts; t, tentacle; v, verrucae; ve, vesicles. Scale bars: A, B, G, H, 0.5 mm; C–F, 0.1 mm.