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FIGURE 6 in Catoptrus iejima, a new species of cavernicolous swimming crab (Crustacea: Brachyura: Portunidae) from a submarine cave at Ie Island, Ryukyu Islands, Japan

FIGURE 6. Chelipeds of Catoptrus iejima, n. sp. Holotype, female, 21.8 × 35.6 mm, RUMF-ZC-1317. A–C, left cheliped; D– F, right cheliped. A, D, upper view; B, E, chela, outer view; C, F, chela, inner view.

FIGURE 2 in Catoptrus iejima, a new species of cavernicolous swimming crab (Crustacea: Brachyura: Portunidae) from a submarine cave at Ie Island, Ryukyu Islands, Japan

FIGURE 2. Live colouration of Catoptrus iejima, n. sp., in situ, photo taken by Yusuke Yamada. Holotype, female, 21.8 × 35.6 mm, RUMF-ZC-1317.

FIGURE 6 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 6. Chromosomes observed in spermatogenetic meioses of Amami common type control (A, B) and hybrids between Amami common type female and Okinawa male (C–F).

FIGURE 3. The Maximum Likelihood tree reconstructed from 16S in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 3. The Maximum Likelihood tree reconstructed from 16S and sequence divergence data. The most parsimonious tree has the same topology.

FIGURE 4 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 4. Tailbud embryos of Okinawa control (A) and hybrid between Okinawa female and Amami common type male (B). In hybrid embryos, development was inhibited and showed exogastrulation and microcephaly. Scale bar = 2 mm.

FIGURE 7 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 7. Holotype (IABHU F2179) of Odorrana splendida sp. nov. Dorsal (A) and ventral (B) aspects. The chest was cut for collecting blood sample. Scale bar = 20 mm.

FIGURE 5 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 5. Structure of the testes of Amami common type control (A) and hybrid between Amami common type female and Okinawa male (B). Arrows indicate pycnotic nuclei showing failure of normal spermatogenesis. Scale bar = 50μm.

FIGURE 2 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 2. Dorsal and ventral aspects of the Amami large type (A, D), Amami common type (B, E), and Okinawa type (C, F). Scale bar = 20 mm.

FIGURE 1 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species

FIGURE 1. (A) Frequencies of discriminant scores of the Amami and Okinawa types of O. ishikawae. Each numeral on abscissa includes the range ± 0.5. (B) Plots of scores of discriminant function 1 (CA1) and those of discriminant function 2 (CA2). Amami-C and Amami-L indicate Amami common type and Amami large type, respectively.

FIGURE 8 in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 8. Morphotypes of Gnathiidae sp. I (A–D; 0.51 mm in head width), sp. II (E–H; 0.45 mm), and sp. III (I; 0.26 mm, J– L; 0.29 mm, another specimen). A, E, I, head, ventral view; B, F, J, pleotelson and uropods, ventral view; C, G, left antenula, medial view; D, H, left antenula, medial view; K, L, right antenula, medial view.

FIGURE 6. Gnathia kumejimensis n in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 6. Gnathia kumejimensis n. sp., holotype, adult male (RUMF-ZC-1430, total length, 4.85 mm): A, body, dorsal view; B, eye and frontal border, dorsal view; C, cephalothorax and pereonite I, lateral view (IL, internal lobe); D, pleotelson and uropods, dorsal view; E, left antennula, medial view; F, left antenna, medial view.

FIGURE 5. Gnathia scabra n in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 5. Gnathia scabra n. sp., holotype, adult male (RUMF-ZC-1429, total length, 2.40 mm): A, left maxilliped, ventral view; B, left pylopod, ventral view; C, left pereopod II, medial view; D, right pleopod II, ventral view; E, right pleopod III, ventral view, plumose setae were omitted; F, penes, ventral view.

FIGURE 4. Gnathia scabra n in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 4. Gnathia scabra n. sp., holotype, adult male (RUMF-ZC-1429, total length, 2.40 mm): A, body, dorsal view; B, eye and frontal border, dorsal view; C, cephalothorax and pereonite I, lateral view; D, pleotelson and uropods, dorsal view; E, left antennula, medial view; F, left antenna, medial view.

FIGURE 2. Gnathia excavata n in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 2. Gnathia excavata n. sp., holotype, adult male (RUMF-ZC-1428, total length, 2.45 mm): A, body, dorsal view; B, eye and frontal border, dorsal view; C, cephalothorax and pereonite I, lateral view; D, pleotelson and uropods, dorsal view; E, left antennula, medial view; F, left antenna, medial view.

FIGURE 3. Gnathia excavata n in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 3. Gnathia excavata n. sp., holotype, adult male (RUMF-ZC-1428, total length, 2.45 mm): A, left maxilliped, ventral view; B, left pylopod, ventral view; C, left pereopod II, medial view; D, left pleopod II, ventral view; E, left pleopod IV, ventral view, plumose setae were omitted; F, penes, ventral view.

FIGURE 7. Gnathia kumejimensis n in Gnathiidae from Kumejima Island in the Ryukyu Archipelago, southwestern Japan, with description of three new species (Crustacea: Isopoda) *

FIGURE 7. Gnathia kumejimensis n. sp., holotype, adult male (RUMF-ZC-1430, total length, 4.85 mm): A, right maxilliped, ventral view; B, right pylopod, ventral view; C, right pereopod II, medial view; D, left pleopod II, ventral view; E, penes, ventral view.

FIGURE 3 in A new species of the genus Philarius (Crustacea: Decapoda: Palaemonidae) from Ryukyu Islands, Japan

FIGURE 3. Phiralius rufulus sp. nov. Holotype ovigerous female (CL 4.5 mm). A, right first pereiopod, ventral; B, same, chela, medial; C, right second pereiopod, ventral; D, same, fingers, medial; E, left second pereiopod, ventral; F, right third pereiopod, lateral; G, same, dactyl and distal part of propodus, ventral. Scales: 1mm.

FIGURE 2 in A new species of the genus Philarius (Crustacea: Decapoda: Palaemonidae) from Ryukyu Islands, Japan

FIGURE 2. Phiralius rufulus sp. nov. Holotype ovigerous female (CL 4.5 mm). A, mandible, ventral; B, maxillula, ventral; C, maxilla, ventral; D, first maxilliped, ventral; E, second maxilliped, ventral; F, third maxilliped, ventral. Scale: 1 mm.

FIGURE 1 in A new species of the genus Philarius (Crustacea: Decapoda: Palaemonidae) from Ryukyu Islands, Japan

FIGURE 1. Phiralius rufulus sp. nov. Holotype ovigerous female (CL 4.5 mm). A, body, lateral; B, carapace and cephalic appendages, dorsal; C, anterior part of carapace, lateral; D, fourth and fifth thoracic sternites and bases of first and second pereiopods; E, telson and uropods, dorsal; F, antennule, dorsal; G, antenna ventral. Scales: 1 mm.

FIGURE 4 in A new species of the genus Philarius (Crustacea: Decapoda: Palaemonidae) from Ryukyu Islands, Japan

FIGURE 4. Phiralius rufulus sp. nov. Holotype ovigerous female in host coral, Acropora sp. Photo by Ryo Minemizu.