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Fig. 4 in Two New Lentic, Dwarf Species of Rhinogobius Gill, 1859 (Gobiidae) from Japan

Fig. 4. Ventral view of pelvic fin (A) and dorsal view of head (B) of Rhinogobius telma (OMNH-P 43682, paratype, male, 39.5 mm SL), stained with Alizarin Reds. White line indicates the first segment of each branch in the fifth soft ray. Black arrow indicates a slit between branches. Pink dots indicate scales along edge of scaly area on nape and occipital region; P1, P2, and P3 indicate boundary of anterior extension of scaly area along predorsal midline, boundary of anterior extension of scaly area on side of occipital region, and boundary of most concave point of scaly area between P1 and P2, respectively.

Fig. 6 in Two New Lentic, Dwarf Species of Rhinogobius Gill, 1859 (Gobiidae) from Japan

Fig. 6. Freshly-collected (A) and alcohol preserved (B) paratype of Rhinogobius telma (BLIP 20000265, female, 31.1 mm SL). Photographed by T. Suzuki.

Fig. 2 in Two New Lentic, Dwarf Species of Rhinogobius Gill, 1859 (Gobiidae) from Japan

Fig. 2. Freshly-collected (A) and alcohol preserved (B) holotype of Rhinogobius tyoni (OMNH-P 5882, male, 37.0 mm SL). Photographed by T. Suzuki.

Fig. 5 in Two New Lentic, Dwarf Species of Rhinogobius Gill, 1859 (Gobiidae) from Japan

Fig. 5. Freshly-collected (A) and alcohol preserved (B) holotype of Rhinogobius telma (BLIP 20000268, male, 28.7 mm SL). Photographed by T. Suzuki.

Fig. 1 in Two New Lentic, Dwarf Species of Rhinogobius Gill, 1859 (Gobiidae) from Japan

Fig. 1. Ventral view of pelvic fin (A) and dorsal view of head (B) of Rhinogobius tyoni (KPM-NI 35396, paratype, male, 37.0 mm SL), stained with Alizarin Red. White line indicates the first segment of each branch in the fifth soft ray. Black arrow indicates a slit between branches. Pink dots indicate scales along edge of scaly area on nape and occipital region; P1, P2, and P3 indicate boundary of anterior extension of scaly area along predorsal midline, boundary of anterior extension of scaly area on side of occipital region, and boundary of most concave point of scaly area between P1 and P2, respectively. Photographed and annotated by T. Suzuki.

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Figs. 6–9 in Two new water mite species of the genus Lebertia Neuman, 1880 (Acari, Hydrachnidae: Lebertiidae) from northern lakes of Russia

Figs. 6–9. Lebertia females: 6–8 — Lebertia makarovae sp. n., 6 — genital field; 7 — IV-Leg-4–6; 8 — l eg claw; 9 — Lebertia porosa, genital field. Scale bars: 6, 9 = 100 μm, 7 = 200 μm, 8 = 50 μm Рис. 6–9. Lebertia самки: 6–8 — Lebertia makarovae sp. n., 6 — генитаΛьное поΛе; 7 — нога IV-4-6; 8 — коготок ног; 9 — Lebertia porosa, генитаΛьное поΛе. ШкаΛы: 6, 9 = 100 μm; 7 = 200 μm; 8 = 50 μm

Fig. 15 in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 15. Underwater photographs of Rhinogobius aonumai ishigakiensis taken at Ishigaki-jima Island, the Ryukyu Islands, Japan. Sakutagawa River: A (male, about 40 mm SL) and B (female, about 40 mm SL). Photographed by N. Oseko.

Fig. 17. Soft X in A New Species with Two New Subspecies of Rhinogobius (Teleostei: Gobiidae) from Yaeyama Group, the Ryukyu Islands, Japan

Fig. 17. Soft X-ray nagatives of holotypes of two subspecies of Rhinogobius aonumai. A: Rhinogobius aonumai aonumai, B: Rhinogobius aonumai ishigakiensis. Red and yellow spots indicate abdominal and caudal vertebrae, respectively; white arrows show anteriormost two pterygiophores (proximal radials) of second dorsal fin. Photographed and annotated by T. Suzuki.

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.