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Fig. 1 in First Japanese Record of Muraenichthys gymnopterus (Anguilliformes, Ophichthidae) from Ishigaki-jima Island, Ryukyu Archipelago

Fig. 1. Map of the sampling site at which the Muraenichthys gymnopterus specimen was collected in Nagura Amparu, Ishigaki-jima Island, Japan (A); photograph of the sampling site at low tide just before we collected a specimen of M. gymnopterus on 29 October 2020 (B).

Fig. 5 in Revised Diagnosis and First Japanese Records of the Waspfish Ocosia spinosa (Teleostei: Tetrarogidae)

Fig. 5. Distributional records of Ocosia spinosa, based on previous studies (circles) and present study (stars). Open symbol indicates type locality.

Fig. 4 in Revised Diagnosis and First Japanese Records of the Waspfish Ocosia spinosa (Teleostei: Tetrarogidae)

Fig. 4. Relationship of presence and absence of lateral lacrimal spine (LLS) and spine at anterior end of suborbital ridge (SSR) to standard length (mm). 0, LLS and SSR absent; 1, LLS present, but SSR absent; 2, LLS and SSR present.

Fig. 3 in Revised Diagnosis and First Japanese Records of the Waspfish Ocosia spinosa (Teleostei: Tetrarogidae)

Fig. 3. Heads of preserved specimens of Ocosia spinosa. A, FAKU 1887, 53.3 mm SL; B, BSKU 44240, 38.0 mm SL; C, KAUM–I. 43828, 103.5 mm SL. Red and yellow arrows indicate lateral lacrimal spine and a small spine at anterior end of suborbital ridge, respectively. Bars: 3 mm.

Fig. 2 in Revised Diagnosis and First Japanese Records of the Waspfish Ocosia spinosa (Teleostei: Tetrarogidae)

Fig. 2. Various sizes of preserved specimens of Ocosia spinosa. A, BSKU 51541, 72.5 mm SL, Kochi Prefecture, Japan; B, BSKU 77926, 31.3 mm SL, Kochi Prefecture, Japan; C, FAKU 1887, 53.3 mm SL, Mie Prefecture, Japan; D, KAUM–I. 43828, 103.5 mm SL, Dong-gang, Taiwan.

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Fig. 2 in First Japanese Specimen-based Records of Sardinella gibbosa (Teleostei: Clupeiformes: Clupeidae) from Okinawa Island

Fig. 2. Stained scale removed from right side of midbody (just below dorsal fin) of Sardinella gibbosa from Nakagusuku Bay, Okinawa Island, Ryukyu Islands, Japan (URM-P 44692, 132.6 mm SL; left-right inverted).

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Fig. 1 in First Japanese Specimen-based Records of Sardinella gibbosa (Teleostei: Clupeiformes: Clupeidae) from Okinawa Island

Fig. 1. Preserved specimens of Sardinella gibbosa from Nakagusuku Bay, Okinawa Island, Ryukyu Islands, Japan. A, URM-P 6388, 142.4 mm SL; B, URM-P 8674, 137.1 mm SL; C, URM-P 44676, 124.0 mm SL; D, URM-P 44677, 118.4 mm SL; E, URM-P 44678, 117.0 mm SL; F, URM-P 44692, 132.6 mm SL; G, URM-P 44697, 111.2 mm SL; H, URM-P 44698, 130.0 mm SL; lateral (I) and dorsal views (J, white arrow indicates black spot on dorsal-fin origin) of URM-P 44683, 127.3 mm SL.

Fig. 3 in Acentrogobius limarius (Gobiidae) from the Ryukyu Islands, Japan: First Northern Hemisphere Records

Fig. 3. Distributional records of Acentrogobius limarius. Stars and circles indicate newly recorded and other localities, respectively. Closed and open symbols indicate records based on collected specimens and underwater photograph, respectively. Arrowhead indicates type locality. Papua New Guinean record was based on three specimens collected by G. Allen and M. Erdmann (unpublished).

Fig. 2 in First Record of Platyberyx rhyton (Teleostei: Perciformes: Caristiidae) Outside of Japanese Waters and Description of Juvenile Morphology

Fig. 2. Distributional records of Platyberyx rhyton [open circle=present study; closed circles=previous known specimens: Stevenson and Kenaley (2013), Okamoto et al. (2014), Okamoto and Stevenson (2015)].

Fig. 5 in First Record of the Rare Parasitic Isopod Elthusa splendida (Cymothoidae) from the Pacific Ocean, Based on a Specimen Found in a Museum Shark Collection

Fig. 5. Map showing the distribution of Elthusa splendida. T and P indicate the type locality and the present specimen's locality, respectively.

Fig. 3 in First Record of the Rare Parasitic Isopod Elthusa splendida (Cymothoidae) from the Pacific Ocean, Based on a Specimen Found in a Museum Shark Collection

Fig. 3. Four pits on pereonite 1 of Elthusa splendida (HUMZ-C 2400, ovigerous female, 57.9 mm TL) from the buccal cavity of Japanese spurdog Squalus japonicus collected from the East China Sea. A, Photograph; B, three-dimensional digital scanned image.

Fig. 2 in First Record of the Rare Parasitic Isopod Elthusa splendida (Cymothoidae) from the Pacific Ocean, Based on a Specimen Found in a Museum Shark Collection

Fig. 2. Elthusa splendida (HUMZ-C 2400, ovigerous female, 57.9 mm TL) from the buccal cavity of Japanese spurdog Squalus japonicus collected from the East China Sea. A, Dorsal body; B, lateral body; C, ventral cephalon; D, ventral view of pleon; E, right pereopod 1; F, right pereopod 7; G–K, right pleopods 1–5 (pleopods 2, 4, 5 are partially damaged). Scale bars: 5 mm.

Fig. 1. Platyberyx rhyton, SIO 61-593, 36 in First Record of Platyberyx rhyton (Teleostei: Perciformes: Caristiidae) Outside of Japanese Waters and Description of Juvenile Morphology

Fig. 1. Platyberyx rhyton, SIO 61-593, 36 mm SL, Naga Station 27, ca. 900 km east of Wake Atoll, central North Pacific.

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Fig. 3. Fresh specimens. A in New Records of Species of Gebiidea and Anomura (Crustacea: Decapoda) from the Sea of Japan

Fig. 3. Fresh specimens. A, Paguristes gonagrus (H. Milne Edwards, 1836), male (sl 6.4 mm), TRPM-782, dorsal view; B, Paguristes versus Komai, 2001, male (sl 5.8 mm), TRPM-783, right lateral view; C, Nematopagurus australis (Henderson, 1888), female (sl 4.3 mm), TRPM- 784, dorsal view; D, Munida agave Macpherson and Baba, 1993, ovigerous female (pcl 7.5 mm), TRPM-787, dorsal view; E, Munida pherusa Macpherson and Baba, 1993, ovigerous female (pcl 7.7 mm), TRPM-802, dorsal view; F, Munida pherusa Macpherson and Baba, 1993, male (pcl 6.6 mm), TRPM-802, dorsal view; G, Paramunida tricarinata (Alcock, 1894), ovigerous female (pcl 7.9 mm), TRPM-790; H, Pagurus nipponensis (Yokoya, 1933), ovigerous female (sl 5.9 mm), TRPM-798; I, Bathymunida brevirostris (Yokoya, 1933), female (pcl 5.4 mm), TRPM-801.

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Fig. 2. Preserved specimens. A in New Records of Species of Gebiidea and Anomura (Crustacea: Decapoda) from the Sea of Japan

Fig. 2. Preserved specimens. A, Austinogebia narutensis (Sakai, 1986), female (cl 18.9 mm), TRPM-780, left lateral view; B, same, carapace, dorsal view; C, same, left lateral view, anterior part of body, showing pereopod 1; D, Austinogebia narutensis (Sakai, 1986), male (cl 17.9 mm), TRPM-780, left lateral view; E, Paguristes gonagrus (H. Milne Edwards, 1836), male (sl 6.4 mm), TRPM-782, dorsal view; F, Paguristes versus Komai, 2001, male (sl 5.8 mm), TRPM-783, dorsal view; G, Nematopagurus australis (Henderson, 1888), female (sl 4.3 mm), TRPM-784, dorsal view; H, Galathea guttata Osawa, 2004, male (pcl 3.1 mm), TRPM-785, dorsal view; I, Munida agave Macpherson and Baba, 1993, ovigerous female (pcl 7.4 mm), TRPM-788, dorsal view.

Fig. 1 in Acentrogobius limarius (Gobiidae) from the Ryukyu Islands, Japan: First Northern Hemisphere Records

Fig. 1. Photographs of Acentrogobius limarius from: A–C, Atetsu, Amami-oshima island, Amami Islands, Ryukyu Islands, Japan (YCM-P 45483, 31.7 mm SL); D, Amitori Bay, Iriomote-jima island, Yaeyama Islands, Ryukyu Islands, Japan (specimen not collected). A, Fresh coloration; B, preserved coloration; C, radiograph; D, underwater photograph taken at 8 m depth (Photo: K. Yano).

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Fig. 1 in New Records of Species of Gebiidea and Anomura (Crustacea: Decapoda) from the Sea of Japan

Fig. 1. Maps of studied region. A, Japanese main islands and their adjacent areas, showing the Sea of Japan and "San'in" area, western Japanese coast of the sea; B, "San'in" area composed of five Japanese prefectures (Yamaguchi, Shimane, Tottori, Hyogo, and Kyoto); C, localities in Tottori Prefecture (Sakaiminato, Nagaobana, and Tajiri) from which the present specimens were collected.

Fig. 4 in First Record of the Rare Parasitic Isopod Elthusa splendida (Cymothoidae) from the Pacific Ocean, Based on a Specimen Found in a Museum Shark Collection

Fig. 4. Morphological differences between Elthusa splendida (A) and E. raynaudii (B). Posterolateral angles of pereonite 7 (arrows) and relative width of pereonite 7 and pleotelson (dashed lines). Only body outlines are shown. Scale bars: 10 mm. A, HUMZ-C 2400, ovigerous female, 57.9 mm TL; B, MNHN-IU-2016-9885, syntype, ovigerous female, 26.7 mm TL.

Fig. 1 in First Record of the Rare Parasitic Isopod Elthusa splendida (Cymothoidae) from the Pacific Ocean, Based on a Specimen Found in a Museum Shark Collection

Fig. 1. Elthusa splendida (HUMZ-C 2400, ovigerous female, 57.9 mm TL) from the buccal cavity of Japanese spurdog Squalus japonicus collected from the East China Sea. A, Dorsal view; B, ventral view.

Fig. 2. Dactylogyrus petruschewskyi Gussev, 1955 in Redescription of Dactylogyrus petruschewskyi Gussev, 1955 (Monogenea: Dactylogyridae), a Newly Recorded Alien Monogenean from an Alien Cyprinid, Megalobrama amblycephala Yih, 1955 (Cypriniformes: Cyprinidae), in Ibaraki Prefecture, Central Japan

Fig. 2. Dactylogyrus petruschewskyi Gussev, 1955. NSMT-Pl 6452. Sclerotized structures. Abbreviations: ap, accessory piece; DB, dorsal bar; DH, dorsal hamulus; I, marginal hook of pair I; II, marginal hook of pair II; III, marginal hook of pair III; IV, marginal hook of pair IV; MCOd, male copulatory organ, normal type (dorsal view); MCOt, male copulatory organ, two-rod type (Anonymous 1973) (dorsal view); MCOv, male copulatory organ, normal type (ventral view); N, needle; p, penis; VB, ventral bar; VBc, ventral bar with circular holes; V, marginal hook of pair V; VI, marginal hook of pair VI; VII, marginal hook of pair VII.