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Fig. 8 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 8. Chaetae of Composetia tokashikiensis sp. nov. A–C, chaetae in parapodium 5 of the holotype (NSMT-Pol H-774): A, homogomph spiniger of notochaetae; B, heterogomph spiniger with short blade from upper neurochaetal bundle; C, heterogomph spiniger with long blade from lower neurochaetal bundle (upper position). D, E, chaetae in parapodium 43 of paratype (NSMT-Pol P-775): D, heterogomph spiniger with short blade from lower neurochaetal bundle (lower position); E, heterogomph falciger from lower neurochaetal bundle. Scale bar: 0.05 mm.

Fig. 5 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 5. Landscape of the type locality of Composetia kumensis sp. nov. at the uplifted coral reef at Gushicha Gusuku on Kume-jima island (photographed on 22 November 2013). A, overview of the uplifted coral reef around the sampling site; B, the sampling site in a small creek originating from a freshwater spring (arrow) in the upper intertidal zone of the uplifted coral reef, surrounded by saltmarsh vegetation. Scale bar in B: 1 m.

Fig. 3 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 3. Chaetae in chaetiger 20 of paratype (NSMT-Pol P-771) of Composetia kumensis sp. nov. A, homogomph spiniger from notochaetae; B, heterogomph spiniger from lower neurochaetae; C, heterogomph falciger from upper neurochaetae. Scale bar: 0.05 mm.

Fig. 7 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 7. Composetia tokashikiensis sp. nov. A–C, paratype (NSMT-Pol P-775): A, dorsal views of prostomium and peristomium; B, dorsal view of the everted proboscis; C, ventral view of the everted proboscis. D–G, holotype (NSMT-Pol H-774): D, posterior view of right parapodium 1; E, posterior view of right parapodium 5; F, anterior view of right parapodium 5; G, posterior view of right parapodium 32. H, posterior view of right parapodium 51 of the paratype (NSMT-Pol P-775). Arrow indicates a notoacicular process. Abbreviations: g, glandular patch; i, neuropodial inferior lobe; ne, neuroacicula; no, notoacicula; p, neuropodial postchaetal lobe. Scale bars: 1 mm (A–C); 0.1 mm (D–H).

Fig. 4 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 4. Schematic diagrams of chaetal arrangement in distal view of right parapodium around chaetiger 5. A, Composetia kumensis sp. nov. B, C. tokashikiensis sp. nov. Closed circles: homogomph spinigers. Closed squares: heterogomph spinigers. Closed stars: heterogomph falcigers. Asterisks indicate that few heterogomph falcigers are sometimes present. Abbreviations: dc, dorsal cirrus; i, neuropodial inferior lobe; ne, neuroacicula; nea, neuropodial acicular ligule; nev, neuropodial ventral ligule; no, notoacicula; nod, notopodial dorsal ligule; np, notoacicular process; nov, notopodial ventral ligule; po, neuropodial postchaetal lobe; vc, ventral cirrus.

Fig. 6 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 6. Composetia tokashikiensis sp. nov. A, dorsal view of the whole body of the preserved specimen of holotype (NSMT-Pol H-774). Arrow indicates the enlarged oral ring of the everted proboscis. B–D, anterior end of a paratype (NSMT-Pol P-783): B, dorsal view of prostomium, peristomium, and anterior chaetigers; C, dorsal view of the everted proboscis; D, ventral view of the everted proboscis. E, landscape of the type locality at the upper reaches of a small estuary in the Tokashiki-gawa river in Tokashiki-jima island (photographed on 27 May 2012). Scale bars: 1 mm (A); 0.5 mm (B–D).

Fig. 1 in Two New Species of Composetia (Annelida: Nereididae) from Small Estuaries in the Ryukyu Islands, Southern Japan, with a List of All Species Currently Belonging to Composetia

Fig. 1. Composetia kumensis sp. nov. A, dorsal view of the whole body of the preserved specimen of holotype (NSMT-Pol H-766). Arrow indicates the enlarged oral ring of the everted proboscis. B, C, paratype (NSMT-Pol P-772): B, dorsal view of the anterior body of a live specimen; C, dorsal view of anterior end of the preserved specimen. D, Jaw of paratype (NSMT-Pol P-773). Scale bars: 1 mm (A, B); 0.5 mm (C); 0.1 mm (D).

Fig. 6 in The Validity of Helcogramma ishigakiensis (Aoyagi, 1954) and a Synopsis of Species of Helcogramma from the Ryukyu Islands, Southern Japan (Perciformes: Tripterygiidae)

Fig. 6. Mandibular sensory pore system of species of Helcogramma in the Ryukyu Islands. A, Helcogramma aquila (HMNH-P 9148, male, 34.4 mm SL); B, H. fuscipectoris (KAUM–I. 24444, male, 28.7 mm SL); C, H. inclinata (KAUM–I. 6522, male, 50.9 mm SL); D. H. ishigakiensis (KAUM–I. 17519, male, 50.0 mm SL); E, H. rhinoceros (KAUM–I. 32332, male, 26.9 mm SL); F, H. striata (KAUM–I. 30110, male, 37.1 mm SL). Scale bars 2 mm.

Fig. 3 in The Validity of Helcogramma ishigakiensis (Aoyagi, 1954) and a Synopsis of Species of Helcogramma from the Ryukyu Islands, Southern Japan (Perciformes: Tripterygiidae)

Fig. 3. Underwater photographs of Helcogramma ishigakiensis. A, male; B, female; C, female (left) and male (right); D, female (front) and male (back), north of Ho-Syuu, Onna, Okinawa-jima island, Ryukyu Islands, 3–7 m, 13 (A), 19 (C–D) May 2013. Photos by T. Katano.

Fig. 2 in The Validity of Helcogramma ishigakiensis (Aoyagi, 1954) and a Synopsis of Species of Helcogramma from the Ryukyu Islands, Southern Japan (Perciformes: Tripterygiidae)

Fig. 2. Color photographs of fresh and preserved specimens of Helcogramma ishigakiensis. A–B, KAUM–I. 40381, male, 43.3 mm SL, Yoron-jima island; C–D, KAUM–I. 17519, male, 50.0 mm SL, Amami-oshima island; E–F, KAUM–I. 17520, female, 51.9 mm SL, Amamioshima island; G, preserved specimen, same as A–B; H, preserved specimen, same as E–F.

Fig. 5 in The Validity of Helcogramma ishigakiensis (Aoyagi, 1954) and a Synopsis of Species of Helcogramma from the Ryukyu Islands, Southern Japan (Perciformes: Tripterygiidae)

Fig. 5. Color photographs of fresh (A, C–J) and preserved (B) specimens of Helcogramma in the Ryukyu Islands. Helcogramma aquila, A, HMNH-P 9144, male, 35.0 mm SL, B, HMNH-P 4409, female, 32.5 mm SL; H. fuscipectoris, C, KAUM–I. 63398, male, 22.6 mm SL, D, KAUM–I. 63399, female, 24.2 mm SL; H. inclinata, E, KAUM–I. 29669, male, 42.5 mm SL, F, KAUM–I. 30625, female, 49.2 mm SL; H. rhinoceros, G, KAUM–I. 51381, male, 27.2 mm SL; H, KAUM–I. 63467, female, 29.4 mm SL; H. striata, I, KAUM–I. 37748, male, 38.5 mm SL, J, KAUM–I. 29515, female, 33.5 mm SL.

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Fig. 1 in First Japanese Record of the Rare Goby Trimma panemorfum Winterbottom and Pyle, 2022 from Okinawa Island, Ryukyu Islands, Southern Japan (Teleostei, Gobiidae)

Fig. 1. Trimma panemorfum collected from Hamahiga Island, off Okinawa Island, Ryukyu Islands, Japan (OMNH-P 43986, 14.9 mm SL). A, preserved specimen, photographed by K. Fujiwara; B and C, fresh specimen, photographed by T. Suzuki.

Figure 17. Neocaridina ishigakiensis. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 17. Neocaridina ishigakiensis. A, cephalothorax and cephalic appendages; B, first pereiopod; C, second pereiopod; D, third pereiopod; E, dactylus of third pereiopod; F, fifth pereiopod; G, dactylus of fifth pereiopod. Scales: A51 mm; B–D, F50.5 mm; E, G50.2 mm (female, cl 4.1 mm, ZRC 2004.0584).

Figure 15. Neocaridina ishigakiensis. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 15. Neocaridina ishigakiensis. A, cephalothorax and cephalic appendages; B, scaphocerite, C. mandible; D. maxillula, E. maxilla; F. first maxilliped; G. second maxilliped; H. third maxilliped; I. preanal carina. Scales: A, B51 mm; C–I50.5 mm (male, cl 4.7 mm, ZRC 2004.0584).

Figure 16. Neocaridina ishigakiensis. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 16. Neocaridina ishigakiensis. A, telson; B, distal portion of telson; C, first pereiopod; D, second pereiopod; E, third pereiopod; F, dactylus of third pereiopod; G, fifth pereiopod; H, dactylus of fifth pereiopod; I, male first pleopod; J, male second pleopod; K, diaeresis. Scales: A, C–E, G50.5 mm; B, F, H–K50.2 mm (male, cl 4.7 mm, ZRC 2004.0584).

Figure 14. Caridina macrodentata, new species. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 14. Caridina macrodentata, new species. A, cephalothorax and cephalic appendages, lateral view; B, scaphoceite; C, first pereiopod; D, second pereiopod; E, third pereiopod; F, dactylus of third pereiopod; G, fifth pereiopod; H, dactylus of fifth pereiopod. Scales: A, B51 mm; C, D, E, G50.5 mm; F, H50.2 mm (ovigerous female, cl 4.8 mm, holotype, NSMT).

Figure 11. Caridina propinqua. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 11. Caridina propinqua. A, first pereiopod; B, second pereiopod; C, third pereiopod; D, dactylus of third pereiopod; E, fifth pereiopod; F, dactylus of fifth pereiopod. Scales: A–C, E50.5 mm; D, F50.2 mm (female, cl 4.0 mm, URB).

Figure 10. Caridina propinqua. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 10. Caridina propinqua. A, cephalothorax and cephalic appendages, lateral view; B, preanal carina; C, telson; D, distal portion of telson; E, diaeresis; F, scaphoceite; G, cephalothorax and cephalic appendages, lateral view; H, male first pleopodc; I, male second pleopod. Scales: A–C, F, G51 mm; D, E, H, I50.2 mm (A–F, female, cl 4.0 mm, URB; G–I, male, cl 2.8 mm, URB).

Figure 13. Caridina macrodentata, new species. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 13. Caridina macrodentata, new species. A, cephalothorax and cephalic appendages, B. telson, C. distal portion of telson, D. mandible, E. maxillula, F. maxilla, G. first maxilliped, H. second maxilliped, I. third maxilliped, J. diaeresis. Scales: A51 mm; B, D–I50.5 mm; C, J50.2 mm (ovigerous female, cl 4.8 mm, ZRC 2004.0583).

Figure 8. Caridina rubella. A in Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species

Figure 8. Caridina rubella. A, cephalothorax and cephalic appendages, lateral view; B, diaeresis; C, telson; D, distal portion of telson; E, cephalothorax and cephalic appendages, lateral view; F, endopod of male first pleopod; G, appendix masculina and appendix interna of male second pleopod. Scales: A50.5 mm; B, D, F, G50.2 mm; C, E51 mm (A, B, female, cl 8.8 mm, URB; C, D, female, cl 5.5 mm, URB; E–G, male, cl 4.8 mm, URB).