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Fig. 1 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 1. Collection sites of epitokes (solid circles) and atokes (open circles) of Glycera nicobarica Grube, 1866 in the Seto Inland Sea and Ariake Sea, Japan. 1, Uno Port, Okayama Prefecture; 2, Tadanoumi, Hiroshima Prefecture; 3, Imabari Port, Ehime Prefecture; 4, Yanai Port, Yamaguchi Prefecture; 5, off Nagashima Island, Kaminoseki, Yamaguchi Prefecture; 6, Himeshima Port, Oita Prefecture; a, Kasaoka Bay, Okayama Prefecture; b, Kure, Hiroshima Prefecture; c, Bouchi-no-su, Ehime Prefecture; d, Nukari-no-seto, Hiroshima Prefecture; e, off Iwaijima Island, Yamaguchi Prefecture; f, Kojiro-nagahama, Isahaya Bay, Nagasaki Prefecture.

Fig. 4. Glycera nicobarica Grube, 1866 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 4. Glycera nicobarica Grube, 1866. Scanning electron micrographs of two kinds of papillae on proboscis. A, B, Epitokous male (NSMT-Pol 111423); C, D, atoke (NSMT-Pol 111429). A, C, conical papillae with 3 U-shaped ridges; B, D, oval papilla. Scale bars: 10 µm.

Fig. 9 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 9. Small holes (one arrowed) on ventral surface of bases of parapodia of spent G. nicobarica Grube, 1866 (MS). Scale bar: 0.1 mm.

Fig. 8 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 8. Timing of reproductive swimming of epitokes of Glycera nicobarica Grube, 1866 at six sites in July to November in 2009 to 2011. Numbers above black squares indicate the number of epitokes collected on each ocassion. The locality numbers () correspond to those in Fig. 1.

Fig. 4 in First Record of the Rockfish Sebastes melanops from the Western North Pacific, with Comments on its Synonymy (Osteichthyes: Scorpaenoidei: Sebastidae)

Fig. 4. Unrooted neighbor-joining tree based on sequence variations of the mitochondrial control region. Sequences used here are referred to by catalog numbers of the specimens (determined here) or DDBJ registration numbers (indicated by asterisks, determined in previous studies). Numbers at branches indicate bootstrap probabilities in 1,000 bootstrap replications. The scale bar equals 0.01 of Kimura's (1980) distance.

Fig. 7 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 7. Presumed parasites attached to epitokous males of Glycera nicobarica Grube, 1866. A, Copepod (arrow) (NSMT-Cr 22387) attached to parapodia of male (NSMT-Pol 111425); B, enlargement of copepod, dorsal view; C, nematodes (arrows) (NSMT-As 3962) attached to parapodia in mid-body of another male (NSMT-Pol 111424); D, enlargement of nematode. Scale bars: 0.5 mm (A–C); 0.1 mm (D).

Fig. 3 in First Record of a Sicydiine Goby, Stiphodon multisquamus (Actinopterygii: Gobioidei: Gobiidae), from Okinawa Island, Japan

Fig. 3. Diagrammatic illustration of head showing arrangement of cephalic sensory pores (black dots) and cutaneous sensory papillae (A′–O′) in Stiphodon multisquamus (40.6 mm SL, NSMT- P 114246) from Okinawa Island. A, dorsal view; B, lateral view; C, ventral view. AN, anterior nostril; PN, posterior nostril.

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Fig. 3. Mimobdella japonica Blanchard, 1897 from Okinawajima, KUZ Z229 in First Record of Mimobdella japonica (Hirudinida: Arhynchobdellida: Salifidae) from Okinawajima Island, Ryukyu Islands, Japan, with a Description of the Specimens from the Ryukyu Islands

Fig. 3. Mimobdella japonica Blanchard, 1897 from Okinawajima, KUZ Z229, photograph of live animal, dorsal view.

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Fig. 2. Mimobdella japonica Blanchard, 1897 from Okinawajima, KUZ Z229. A in First Record of Mimobdella japonica (Hirudinida: Arhynchobdellida: Salifidae) from Okinawajima Island, Ryukyu Islands, Japan, with a Description of the Specimens from the Ryukyu Islands

Fig. 2. Mimobdella japonica Blanchard, 1897 from Okinawajima, KUZ Z229. A, dorsal view; B, ventral view.

Fig. 2 in First Japanese Record of Heteropriapulus heterotylus (Monogenea: Dactylogyridae), from the Alien Catfish Pterygoplichthys disjunctivus (Siluriformes: Loricariidae) in Okinawa

Fig. 2. Heteropriapulus heterotylus (Jogunoori, Kritsky and Venkatanarasaiah, 2004). A, Whole mount (ventral view); B, dorsal anchors; C, ventral anchors; D, dorsal bar; E, ventral bar; F, hook; G, male copulatory organ; H, vagina. Scale bars: A, 50 µm; B–G, 10 µm. Abbreviations: ap, accessory piece; cl, cephalic lob; co, copulatory organ; es, eye-spot (black, ventral; gray, dorsal); ho, hook; ic, intestinal caeca; ov, ovary; ph, pharynx; pr, prostatic reservoir; sv, seminal vesicle; te, testis; vf, vitelline follicles; vt, vagina.

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Fig. 2 in First Record of the Rare Deepwater Assfish Bassozetus mozambiquensis (Ophidiiformes: Ophidiidae) from the Western South Atlantic

Fig. 2. Diagrams of vomerine (A) and basibranchial (B) tooth patches of Bassozetus mozambiquensis. ZMH 26332, 478 mm SL. Scale bar: 5 mm.

Fig. 1 in First Japanese Record of Heteropriapulus heterotylus (Monogenea: Dactylogyridae), from the Alien Catfish Pterygoplichthys disjunctivus (Siluriformes: Loricariidae) in Okinawa

Fig. 1. Measurements of hard parts of Heteropriapulus heterotylus (Jogunoori, Kritsky and Venkatanarasaiah, 2004). A, Dorsal anchor; B, ventral anchor; C, bar; D, hook; E, male copulatory organ. Abbreviations: al, accessory piece length; apl, anchor patch length; atl, anchor total length; bmw, bar median width; btl, bar total length; btw, bar total width; cl, copulatory organ length; hl, hook length; irl, inner root length; pl, point length; sl, shaft length.

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Fig. 1 in First Record of Mimobdella japonica (Hirudinida: Arhynchobdellida: Salifidae) from Okinawajima Island, Ryukyu Islands, Japan, with a Description of the Specimens from the Ryukyu Islands

Fig. 1. Map showing the collection localities of the specimens examined in this study: Nago and Kin on Okinawajima island, and Tatsugo on Amami-oshima island.

Fig. 3 in Northernmost Record of the Surgeonfish Acanthurus nigros (Teleostei: Acanthuridae) from Minamidaitojima Island, Southern Japan

Fig. 3. Maximum likelihood tree based on partial sequence of the mitochondrial cytochrome b gene (754 bp) of Acanthurus nigros and A. nigroris. Numbers beside the internal branches indicate bootstrap probabilities (>95%) based on 1000 pseudoreplicates.

Fig. 2 in Northernmost Record of Stiphodon multisquamus (Gobiiformes: Oxudercidae) Based on a Specimen from Wakayama, Japan

Fig. 2. Photographs of Stiphodon multisquamus (WMNH-PIS10942, 29.4 mm SL) collected from Arida-gawa River, Wakayama Prefecture, Japan, on 1 November 2018. A, Specimen, preserved, lateral view (above) and dorsal view (below); B, specimen, alive.

Fig. 2 in First Japanese records of Anguilla luzonensis (Osteichthyes: Anguilliformes: Anguillidae) glass eels from Okinawa-jima Island, Ryukyu Archipelago, Japan

Fig. 2. Caudal fin and caudal pigmentation pattern of Anguilla luzonensis glass eel (fresh specimens), KYUM-PI-05434.

Fig. 3 in First Japanese records of Anguilla luzonensis (Osteichthyes: Anguilliformes: Anguillidae) glass eels from Okinawa-jima Island, Ryukyu Archipelago, Japan

Fig. 3. Neighbor-joining phylogenetic tree of species of Anguilla in the Indo-Pacific waters based on partial 16S rRNA sequences. The numbers beside internal branches indicate bootstrap probabilities for 1,000 replicates.

Fig. 2 in Northernmost Record of the Surgeonfish Acanthurus nigros (Teleostei: Acanthuridae) from Minamidaitojima Island, Southern Japan

Fig. 2. Distributional records of Acanthurus nigros. Star and circles indicate present and previous records (Randall et al. 2011), respectively.

Fig. 3 in Northernmost Record of Stiphodon multisquamus (Gobiiformes: Oxudercidae) Based on a Specimen from Wakayama, Japan

Fig. 3. Preserved specimen of Stiphodon multisquamus (WMNH-PIS10942, 29.4 mm SL). A, Anterior half of the body in dorsal view; B, enlarged photo showing black pigments on anal-fin rays (see arrows).