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Fig. 14 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 14. Freshly-collected paratypes of Rhinogobius aonumai ishigakiensis from Ishigaki-jima Island, the Ryukyu Islands, Japan. Miyaragawa River: A (OMNH-P 40912, male, 38.0 mm SL) and B (OMNH-P 40914, female, 38.4 mm SL); Sakuta-gawa River: C (KPM-NI 65588, male, 55.9 mm SL) and D (SPMN-PI 49270, female, 40.5 mm SL); Sokobaru-gawa River: E (OMNH-P 40911, male, 39.9 mm SL) and F (OMNH-P 40913, female, 33.3 mm SL). Photographed by T. Suzuki.

Fig. 11 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 11. Ventral view of pelvic fin (A) and dorsal view of head (B), in Rhinogobius aonumai ishigakiensis stained with Alizarin Red S. OMNH-P 48923, paratype, male, 35.5 mm SL, Sakuta-gawa River. White lines indicate position where proximal most segment of each branch alignes transversely with the fifth segmented ray. Black wedge indicates slits between branches. Black circles with black letters H′, K′, and L′ indicate sensory-canal pores. P1, P2, and P3 indicate anteriormost point of anterior extension of scaly area along predorsal midline, anteriormost point of anterior extensions of scaly area on temporal region, and greatest concaved point of scaly area between P1 and P2, respectively. Photographed and annotated by T. Suzuki.

Fig. 10 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 10. Female paratype of Rhinogobius aonumai ishigakiensis (SPMN-PI 49270, female, 45.0 mm SL) collected from Sakutagawa River, Ishigaki-jima Island, the Yaeyama Group of the Ryukyu Islands, Japan. A and B: freshly-collected; C: alcoholpreserved. Photographed by T. Suzuki.

Fig. 12 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 12. Lateral view of body (A) and ventral view of belly (B) in Rhinogobius aonumai ishigakiensis stained with Alizarin Red S. OMNH-P 48923, paratype, male, 35.5 mm SL, Sakuta-gawa River. Yellow spots indicate the lateral anterior margin of ctenoid scale area. Photographed and annotated by T. Suzuki.

Fig. 9 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 9. Holotype of Rhinogobius aonumai ishigakiensis (SPMN-PI 49269, male, 51.5 mm SL) collected from Sakuta-gawa River, Ishigaki-jima Island, the Yaeyama Group of the Ryukyu Islands, Japan. A and B: freshly-collected; C: alcohol-preserved. Photographed by T. Suzuki.

Fig. 6 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 6. Freshly-collected paratypes of Rhinogobius aonumai aonumai from Iriomote-jima Island, the Ryukyu Islands, Japan. Airagawa River: A (OMNH-P 40852, male, 47.5 mm SL) and B (OMNH-P 40849, female, 42.3 mm SL); Geta-gawa River: C (OMNH-P 40832, male, 58.0 mm SL) and D (OMNH-P 40836, female, 40.5 mm SL); Hinai-gawa River: E (NSMT-P 138485, male, 56.0 mm SL) and F (NSMT-P 138486, female, 55.5 mm SL); Kuira-gawa River G: (KPM-NI 59985, male, 35.9 mm SL) and H (KPM-NI 59984, female, 38.5 mm SL); Kura-gawa River: I (OMNH-P 43162, male, 42.0 mm SL) and J (OMNH-P 43165, female, 36.0 mm SL). Photographed by T. Suzuki.

Fig. 8 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 8. Underwater photographs of Rhinogobius aonumai aonumai taken at Iriomote-jima Island, the Ryukyu Islands, Japan. Hinaigawa River: A (male, about 60 mm SL) and B (female, about 45 mm SL); Urauchi-gawa River: C (male, about 50 mm SL) and D (female, about 40 mm SL). Photographed by M. Suzuki.

Fig. 5 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 5. Dorsal (top), lateral (middle), and ventral (bottom) views of head of Rhinogobius aonumai aonumai stained with cyanine blue showing cephalic sensory pores and papillae. OMNH-P 40256, holotype, male, 65.9 mm SL Red circles with red letters indicate sensory canal pores (letters with prime marks indicate terminal openings of sensory canals); rows of yellow spots indicated by yellow letters represent sensory papillae rows; black arrows show ventralmost positions of gill opening. Abbreviations: AN, anterior narial pore; PN, posterior narial pore. Photographed and annotated by T. Suzuki.

Fig. 3 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 3. Ventral view of pelvic fin (A) and dorsal view of head (B), in Rhinogobius aonumai aonumai stained with Alizarin Red S. OMNH-P 43694, paratype, male, 70.5 mm SL. White lines indicate position where proximal most segment of each branch alignes transversely with the fifth segmented ray. Black wedge indicates slits between branches. Black circles with black letters H′, K′, and L′ indicate sensory-canal pores. P1, P2, and P3 indicate anteriormost point of anterior extension of scaly area along predorsal midline, anteriormost point of anterior extensions of scaly area on temporal region, and greatest concaved point of scaly area between P1 and P2, respectively. Photographed and annotated by T. Suzuki.

Fig. 7 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 7. Freshly-collected paratypes of Rhinogobius aonumai aonumai from Iriomote-jima Island, the Ryukyu Islands, Japan. Nakaragawa River: A (OMNH-P 43153, male, 47.3mm SL) and B (OMNH-P 43156, female, 37.0 mm SL); Nishida-gawa River: C (OMNH-P 40533, male, 58.3 mm SL) and D (OMNH-P 40537, female, 50.3 mm SL); Urauchi-gawa River: E (OMNH-P 40040, male, 43.6 mm SL) and F (SPMN-PI 46249, female, 46.0 mm SL); Yuchin-gawa River: G (OMNH-P 40323, male, 63.0 mm SL) and H (OMNH-P 40327, female, 49.2 mm SL). Photographed by T. Suzuki.

Fig. 16 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 16. Rhinogobius flumineus at Ina-gawa River, Ina-gawa, Hyogo Prefecture, Japan. Freshly-collected: A (OMNH-P 43228, 52.3 mm SL, male) and B (OMNH-P 43229, 50.6 mm SL, female), photographed by T. Suzuki.; underwater photographs: C (male, about 40 mm SL) and D (female, about 40 mm SL), photographed by M. Suzuki.

Fig. 13 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 13. Dorsal (top), lateral (middle), and ventral (bottom) views of head of Rhinogobius aonumai ishigakiensis stained with cyanine blue showing cephalic sensory pores and papillae. KPM-NI 65588, paratype, male, 55.9 mm SL. Red circles with red letters indicate sensory canal pores (letters with prime marks indicate terminal openings of sensory canals); rows of yellow spots indicated by yellow letters represent sensory papillae rows; black arrows show ventralmost positions of gill opening. Abbreviations: AN, anterior narial pore; PN, posterior narial pore. Photographed and annotated by T. Suzuki.

Fig. 4 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 4. Lateral view of body (A, C) and ventral view of belly (B, D) in Rhinogobius aonumai aonumai stained with Alizarin Red S. A and B: NSMT-P 138485, paratype, male, 56.0 mm SL, Hinai-gawa River; C and D: OMNH-P 40852, paratype, male, 47.5 mm SL, Aira-gawa River. Pink spots indicate the lateral anterior margin of ctenoid scale area. Photographed and annotated by T. Suzuki.

Fig. 1 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 1. Holotype of Rhinogobius aonumai aonumai (OMNH-P 40256, male, 65.9 mm SL) collected from Hinai-gawa River, Iriomotejima Island, the Ryukyu Islands, Japan. A and B: freshly-collected; C: alcohol-preserved. Photographed by T. Suzuki.

Fig. 2 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 2. Female paratype of Rhinogobius aonumai aonumai (KPM-NI 59988, 56.5 mm SL) collected from Hinai-gawa River, Iriomotejima Island, the Ryukyu Islands, Japan. A and B: freshly-collected; C: alcohol-preserved. Photographed by T. Suzuki.

Fig. 13 in Rhinogobius

Fig. 13. Ventral views of pelvic fin in Rhinogobius fluviatilis (A) and R. ogasawaraensis (B), stained with Alizarin Red S. White line indicates at most proximal point with segment of each branch of fifth segmented ray. Black wedges indicate slits between branches. A: OMNH-P 32104, male, 52.4 mm SL; B: NTOU P 2007-02-882, male, 38.6 mm SL. Photographed and annotated by T. Suzuki.

Fig. 10 in Rhinogobius

Fig. 10. Dorsal (top), lateral (middle), and ventral (bottom) views of head in Rhinogobius yonezawai (KAUM-I. 5755, paratype, male, 54.0 mm SL), showing cephalic sensory pores and papillae. Annotations and abbreviations are as in Fig. 4. Photographed and annotated by T. Suzuki.

Fig. 11 in Rhinogobius

Fig. 11. Underwater photographs of Rhinogobius yonezawai taking at Tanega-shima Island (A, B), Yaku-shima Island (C, D), Amami-oshima Island (E, F) and Okinawa-jima Island (G, H), Japan. A, C, E, and G: male; B, D, F, and H; female. A-F, photographed by T. Yonezawa; G and H, photographed by K. Maeda.

Fig. 7 in Rhinogobius

Fig. 7. Holotype of Rhinogobius yonezawai (OMNH-P 44049, male, 75.2 mm SL) collected from Isso-gawa River, Yaku-shima Island, Osumi Group, Japan. A and B: freshly-collected condition; C: alcohol-preserved condition. Photographed by T. Suzuki.

Fig. 6 in Rhinogobius

Fig. 6. Dorsal (top), lateral (middle), and ventral (bottom) views of head in Rhinogobius yaima showing freshly-collected coloration. A: SPMN-PI 45461, paratype, male, 62.9 mm SL; B: SPMN-PI 45462, paratype, female, 45.7 mm SL. Photographed by T. Suzuki.