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19 results for “Dasyatis”
FIGURE 5 in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURE 5: Dasyatis colarensis n. sp., UERJ 2006, paratype. Detail of mouth showing the coloration of the lower lip margin.
Fig. 1. Heterocotyle chinensis Timofeeva, 1983 in Heterocotyle chinensis (Monogenea: Monocotylidae) from the Whip Stingray Dasyatis akajei in the Seto Inland Sea, Japan
Fig. 1. Heterocotyle chinensis Timofeeva, 1983. NMST-Pl 6164. A, whole mount (ventral view); B, hamulus; C, hooklet; D, male copulatory organ. Scale bars: A, 200 µm; B–D, 10 µm. Abbreviations: alg, anterolateral gland; amg, anteromedian gland; d, duct; dh, dorsal haptoral accessory structure; ej, ejaculatory bulb; ey, eyespots; h, hamulus; ho, hooklet; in, intestine; m, mouth; mag, male accessory gland; mco, male copulatory organ; mg, Mehlis' gland; o, oötype; od, oviduct; ov, ovary; ph, pharynx; pg, posterior gland; phg, pharyngeal glands; r, sinuous ridge; sr, seminal receptacle; sv, seminal vesicle; t, testis; tv, transverse vitelline duct; u, uterus; vi, vitellaria; v, vagina; vp, vaginal pore; vd, vas deferens.
FIGURE 3 in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURE 3: Dasyatis colarensis n. sp., UERJ 2006, paratype, male, 530 DW. Dorsal view.
FIGURE 6 in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURE 6: Dasyatis colarensis n. sp. Schematic drawing of the right clasper of holotype in dorsal view. Abbreviations: mts, medial terminal margin serrae; hyp, hypopyle; pe, pent.
FIGURE 5 in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURE 5: Dasyatis colarensis n. sp., UERJ 2006, paratype. Detail of mouth showing the coloration of the lower lip margin.
FIGURES 1–2. Dasyatis colarensis n in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURES 1–2. Dasyatis colarensis n. sp, MNRJ 25179, holotype, male, 630 DW. 1, dorsal view; 2, ventral view.
FIGURES 19–21 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 19–21. Scanning electron micrographs of Acanthobothrium guanghaiense n. sp. 19. Scolex. 20. Distal bothridial surface. 21. Enlarged view of bothridial surface at lateral margin of bothridium. Scale–bars: 19, 50 µm; 20–21, 1 µm.
FIGURES 8–14 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 8–14. Scanning electron micrographs of Acanthobothrium ningdense n. sp. 8. Scolex. 9. Apical view of scolex. 10. Enlarged view of apical pad and apical sucker. 11. Distal bothridial surface. 12. Enlarged view of proximal bothridial surface. 13. Enlarged view of bothridial surface at lateral margin of bothridium. 14. Surface of cephalic peduncle. Scale–bars: 8–9, 100 µm; 10, 20 µm; 11–14, 1 µm.
FIGURES 28–34 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 28–34. Scanning electron micrographs of Acanthobothrium macrocephalum Wang & Yang, 2001. 28. Scolex. 29. Enlarged apical view of muscular pad and hooks in Fig. 28. 30. Apical view of muscular pad. 31. Enlarged view of hooks after removing the apical sucker. 32. Distal bothridial surface. 33. Enlarged view of bothridial surface at lateral margin of bothridium. 34. Enlarged view of proximal bothridial surface. Scale–bars: 28, 1 mm; 29, 100 µm; 30–31, 50 µm; 32, 1 µm; 33– 34, 2 µm.
FIGURES 22–27 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 22–27. Acanthobothrium macrocephalum Wang & Yang, 2001. 22. Scolex. 23. Muscular pad with its sucker and two prominent lobes. 24. Hooks. 25. Terminal genitalia. 26. Mature proglottid. 27. Gravid proglottid. Scale–bars: 22, 600 µm; 23–25, 50 µm; 26–27, 200 µm.
FIGURES 16–18. Acanthobothrium guanghaiense n in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 16–18. Acanthobothrium guanghaiense n. sp. 16. Scolex. 17. Hooks. 18. Mature proglottid. Scale–bars: 16–18, 50 µm.
FIGURES 15a–15b. 15a in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 15a–15b. 15a. Hooks of Acanthobothrium micracantha Yamaguti, 1952 (Paratype, MPM: 22636). 15b. Hooks of Acanthobothrium latum Yamaguti, 1952 (Holotype, MPM: 22637), the dotted line of the tip of axial hook of medial hook are broken in its holotype and we interpreted it according to the form of lateral hook. Abbreviation: B, connecting bar. Scale–bars: 15a, 25 µm; 15b, 50 µm.
FIGURES 1–7. Acanthobothrium ningdense n in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 1–7. Acanthobothrium ningdense n. sp. 1. Scolex. 2. Hooks. 3. Immature proglottid. 4. One of the anteriormost mature proglottids. 5. Terminal genitalia. 6. One of the posteriormost mature proglottids. 7. Gravid proglottid. Abbreviation: S, irregular shaped sclerite. Scale–bars: 1, 3, 4, 5, 7, 100 µm; 2, 6, 50 µm.
FIGURE 1 in New record of the smalleye stingray, Dasyatis microps (Myliobatiformes: Dasyatidae), from the western Indian Ocean
FIGURE 1. Smalleye stingray, Dasyatis microps from southern Mozambique: A) dorsal view showing pectoral fin morphology; B) ventral view; C) dorsal view showing tail morphology and colouration; and D) specimen speared off Tofo Beach, Mozambique. Photographs by A.D. Marshall.
Dasyatis centroura video-documented from Alligator Reef for Starck, Estape & Morgan Estape (2017)
<p>Dasyatis centroura video-documented from Alligator Reef for Starck, Estape & Morgan Estape (2017)</p>
FIGURE 4 in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURE 4: Dasyatis colarensis n. sp. Schematic drawing of oral papillae from the holotype.
FIGURE 3 in A new species of whiptail stingray of the genus Dasyatis Rafinesque, 1810 from the Southwestern Atlantic Ocean (Chondrichthyes: Myliobatiformes: Dasyatidae)
FIGURE 3: Dasyatis colarensis n. sp., UERJ 2006, paratype, male, 530 DW. Dorsal view.
Figure 2 in Diet of Dasyatis pastinaca and Myliobatis aquila (Myliobatiformes) from the Azores, NE Atlantic
Figure 2. - Cumulated trophic diversity and number of sampled stomachs from Dasyatis pastinaca from Terceira Island, Azores, NE Atlantic.
Figure 1 in Diet of Dasyatis pastinaca and Myliobatis aquila (Myliobatiformes) from the Azores, NE Atlantic
Figure 1. - Sampling sites of Dasyatis pastinaca and Myliobatis aquila in Terceira Island, Azores, NE Atlantic. BI: Biscoitos; CR: Cinco Ribeiras; VM: Vila Maria Bay.
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