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224 results for “Brachyuran crabs”
FIGURE 2 in On some commensal anomuran and brachyuran crabs (Crustacea: Decapoda) off Visakhapatnam, Northwestern Bay of Bengal
FIGURE 2. Cnidarians and poriferans hosting Anomura and Brachyura collected from Northwestern Bay of Bengal: A, Dendronephthya sp.; B, Antipathes sp.; C, Quadrella maculosa Alcock, 1898 with Antipathes sp.; D, Pteroeides esperi Herklots, 1858; E, Porcellanella triloba White, 1851 with Pteroeides esperi; F, Polyonyx and Pisidia crabs with Desmospongiae; G, Pisidia gordoni (Johnson, 1970) in cavity of desmosponge.
Data from: Ecological and evolutionary implications of allometric growth in stomach size of brachyuran crabs
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Morphometric correlations between dietary and reproductive traits of two brachyuran crabs, Hemigrapsus sanguineus and Aratus pisonii
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FIGURE 1. Ilyograpsus rhizophorae Barnard, 1955 in Brachyuran crabs of the family Macrophthalmidae Dana, 1851 (Decapoda: Brachyura: Macrophthalmidae) of the Persian Gulf
FIGURE 1. Ilyograpsus rhizophorae Barnard, 1955: female (SMF 36859), dorsal view.
Fig. 4 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)
Fig. 4. Akrophryxus acinaces sp. nov., allotype male (A–D; SMBL-V0650) and paratype cryptoniscus larva (E–H; SMBL-V0651). A, Lateral view, dashed line showing part of shed cuticle attached to head; B, left antenna; C, left pereopods 1 and 2; D, left pereopod 6; E, dorsal view, dashed line shows testes; F, right antenna; G, posterior end, ventral view showing uropods and terminal pleopods; H, exopod of left uropod. Scale bars: 50 µm (A, E); 10 µm (B–D); 20 µm (F–H).
Fig. 6 in Two New Species of Spheroid Ectoparasitic Isopods (Epicaridea: Dajidae) Attached to the Antennules of Brachyuran Crab Hosts, with Description of a New Genus and Species of Hyperparasite (Epicaridea: Cryptoniscoidea)
Fig. 6. Akrophryxus pallipalicus sp. nov. Macropod photographs of holotype (ZRC 2022.0001) attached to left antennule of Parapalicus armatus Castro, 2000 (ZRC 2016.0412), macropod images taken after fixation. A, Dorsal view of host with holotype attached to the left antennule; B, ventral view of host with holotype attached to the left antennule; C, lateral view of holotype, removed from host; D, top down of holotype, removed from host. Scale bars: 5 mm (A, B); 1 mm (C, D).
Figure 1 in Taxonomy and ecology of brachyuran crabs in Sunderbans
Figure 1. Brachyuran Crab Abundance using Quadrat Method.
FIGURE 1 in First records of some coral reef-associated brachyuran crabs from the Nicobar archipelago, India
FIGURE 1. Map of the study area indicating sampling locations; inset map indicating the region of sampling within the Indian Exclusive Economic Zone.
FIGURE 50. A–G in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 50. A–G. Thoracic sternum (A, C, E, G) and ventral surface of abdomen (B, D, F) of Inachidae (A, B), Inachoididae (C–F), and Majidae (G). A, B, Inachus dorsettensis (Pennant, 1777), male 20.0 × 18.0 mm, France, Saint Martin de Ré (MNHN-B17337); C, D, Collodes leptocheles Rathbun, 1894, male 17.5 × 13.2 mm, Gulf of Mexico (MNHN-B14055); E, F, Pyromaia tuberculata (Lockington, 1877), male 17.0 × 12.2 mm, Baja California (MNHN-B9290); G, Prismatopus harmandi (Bouvier, 1906), male 46.0 × 24.5 mm, holotype, vicinity of Tokyo (MNHN-B22330). H. Palicus caronii (Roux, 1828), male 6.0 × 7.0 mm, eastern Atlantic (MNHN-B16335): ventral surface of abdomen with long socket on somite 6. b, press-button.
FIGURE 57. Axial skeletons. A in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 57. Axial skeletons. A, Ocypode sp. (Ocypodidae), male (MNHN): median plate continuous; B, Ucides cordatus (Linnaeus, 1763) (Ucididae), female (MNHN): discontinuous median plate along sternites 5–7. e, epimere; m, median plate; p, pleurites; s, sella turcica. Skeletons prepared by S. Secretan.
FIGURE 39 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 39. †Notopocorystes stokesii (Mantell, 1844) (†Palaeocorystoidea †Palaeocorystidae), Middle Albian, France. A, indeterminate sex, carapace, dorsal view (MAB k. 2872); B, D, female 29.0 × 20.0 mm (overall) (MAB k. 2873): B, thoracic sternum; D, posterior part of sternum with spermathecae and "double peg" for abdominal-locking mechanism; C, female, height of image 17 mm (MAB k. 2874), with gonopore on P3 coxa and characteristic crescent-shaped sternal suture 4/5. cx2– cx4, P2–P4 coxae; c.s., crescent-shaped suture; d.p., double peg; e4, e5, episternites 4, 5; g, gonopore; G1, first gonopod; g4, gynglyme for P1 on thoracic sternite 4; g5, gynglyme for P2 on thoracic sternite 5; g6, gynglyme for P3 on thoracic sternite 6; s, spermatheca; 4–6, thoracic sternites 4–6. (Courtesy of B. van Bakel).
FIGURE 37 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 37. Podotreme condition and spermatheca at extremity of suture 7/8 in fossil podotreme †Basinotopus tricornis Collins & Jakobsen, 2004 (Dynomeniformia Dromiidae †Basinotopinae), Eocene of Denmark. A, thoracic sternum; B, detail. cx1–cx3, P1–P3 coxae; e4, e5, episternites 4, 5; g, gonopore; s, spermatheca; 4–8, thoracic sternites 4–8; S6/7, S7/8, thoracic sternal sutures 6/7, 7/8. Scale bars: 5 mm. Modified from Collins & Jakobsen 2004: fig. 1b.
FIGURE 38 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 38. Non-gymnopleurity in extinct †Palaeocorystoidea (A) in contrast to gymnopleurity in Raninoidea, in extant (B, C) as well as fossil (A) species. A, †Ferroranina dichrous (Stenzel, 1945) (†Palaeocorystoidea †Palaeocorystidae), height of image 48 mm, Middle Cretaceous (Cenomanian-Turonian), Eagle Ford group, Texas: branchiostegite in contact with the coxae; B, Lyreidus tridentatus De Haan, 1841 (Raninoidea, Lyreididae), male 37.1 × 20.7 mm, Philippines (MNHN-B13364): exposed pleurites 5–7 forming flat plate; C, Ranina ranina (Linnaeus, 1758) (Raninoidea Raninidae), female 85.8 × 73.1 mm, Madagascar, Tulear (MNHN-B31983): exposed pleurites 5–7 as excavated plate, dorsally surrounded by P5. a, abdomen; b, branchiostegite; c, carapace; cx, coxa of pereopod; P1–P5, pereopods 1–5; 5–7, exposed pleurites 5–7. Scale bars: 5 mm (B, C). (A, courtesy of B. van Bakel).
FIGURE 3. Exposed vulvae. A, B in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 3. Exposed vulvae. A, B, Corystes cassivelaunus (Pennant, 1777) (Corystidae). A, male 35.2 × 24.6 mm, France, Bay of Biscay (MNHN-B5381); B, female 31.0 × 24.0 mm, France (MNHN-B5385); C, Telmessus cheiragonus (Tilesius, 1812) (Cheiragonidae), female 35.0 × 46.0 mm, Japan (MNHN-B5445): notice notch on abdominal somite 6; D, Pseudocorystes sicarius (Poeppig, 1836), female 50.0 × 44.0 mm, Chile (MNHN-B5407); E, F, Bellia picta H. Milne Edwards, 1848 (Belliidae), pre-adult female 29.0 × 25.5 mm [Tahiti, erroneous origin], dry (MNHN-B2). a6, abdominal somite 6; b.p., pressbutton; v, vulva; 4–6, thoracic sternites 4–6.
FIGURE 8 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 8. Coxal gonopore in heterotreme families, including families with coxo-sternal condition (D, G, I–K). A, Corystes cassivelaunus (Pennant, 1777) (Corystidae), male 33.0 × 26.0 mm, Bay of Biscay, (MNHN-B27912); B, Thia scutellata (Fabricius, 1793) (Thiidae Thiinae), male 17.7 × 19.0 mm, Mediterranean Sea (MNHN-B416); C, Xantho hydrophilus (Herbst, 1790) (Xanthidae Xanthinae), male 20.5 × 33.0 mm, France, Concarneau; D, Goneplax rhomboides (Linnaeus, 1758) (Goneplacidae Goneplacinae), male 12.0 × 21.0 mm, Tunisia (MNHN-B10159); E, Pilumnus hirtellus (Linnaeus, 1761) (Pilumnidae Pilumninae), male, Mediterranean Sea (MNHN); F, Menippe mercenaria (Say, 1818) (Menippidae), male, Florida (MNHN-B9500); G, Ommatocarcinus macgillivrayi White, 1851 (Goneplacidae Goneplacinae), male 27.7 × 73.6, Australia, New South Wales (MNHN-B10216); H, Bythograea thermydron Williams, 1980 (Bythograeidae), male 33.0 × 60.0 mm, paratype, Galapagos Rift (MNHN-B6468); I, Rhizopa gracilipes Stimpson, 1858 (Pilumnoidea Rhizopidae), male 6.3 × 8.8 mm, Thailand (MNHN-B24500); J, Malacoplax californiensis (Lockington, 1877) (Panopeidae), male 10.0 × 14.0 mm, Gulf of California (MNHN-B10212); K, Prionoplax spinicarpus H. Milne Edwards, 1852 (Panopeidae), male 14.8 × 22.2 mm, holotype, [? China: erroneous origin] (MNHN-B10347). In E, F, penis emerging from P5 coxo-sternal condyle. a1, a3, abdominal somites 1, 3; c, coxo-sternal condyle; cx5, P5 coxa; e7, episternite 7; g, gonopore; m.l., median line; p, penis; 7, 8, thoracic sternites 7, 8; 6/7, 7/8, thoracic sternal sutures 6/7, 7/8.
FIGURE 19 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 19. Coxo-sternal condition in Dorippidae. A, B. Dorippoides nudipes Manning & Holthuis, 1986, male 18.0 × 20.0 mm, Madagascar (MNHN-B18276): A, genital region covered by abdomen; B, genital region with penis exposed. C, Neodorippe callida (Fabricius, 1798), male 12.0 × 12.0 mm, China, Amoy (MNHN-11170): genital region. a1, a2, abdominal somites 1, 2; b, sclerotised bulb; c, coxo-sternal condyle; ca, carapace; cx4, cx5, P4, P5 coxae; e7, episternite 7; pa, papilla; t, sclerotised tube; td, distal portion of penial tube; tp, inclined proximal portion of penial tube; 7, 8, thoracic sternites 7, 8; 6/7, 7/ 8, sternal sutures 6/7, 7/8. Scale bars: 5 mm (A, B); 2 mm (C).
FIGURE 15 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 15. Coxal condition in Dorippidae. A–D, Medorippe lanata (Linnaeus, 1767), male 26.0 × 32.0 mm, Senegal (MNHN-B21493): A, genital region; B, penis, G1, G2 in situ; C, G2; D, G1 apex, setae not shown. E, Phyllodorippe armata (Miers, 1881), male 20.0 × 25.0 mm, Dahomey (=Benin) (MNHN-B16380): genital region. a1, abdominal somite 1; b, sclerotised bulb; ba, basipodite; c, coxo-sternal condyle; ca, carapace; co, coxopodite; cx4, cx5, P4, P5 coxae; en, endopodite; e7, episternite 7; G1, G2, gonopods 1, 2; pa, papilla; t, sclerotised tube; 7, 8, thoracic sternites 7, 8; 7/8, thoracic sternal suture 7/8. Outline of the abdomen indicated by dotted line. Scale bars: 5 mm (A, E); 2 mm (B, C); 1 mm (D).
FIGURE 2 in Significance of the sexual openings and supplementary structures on the phylogeny of brachyuran crabs (Crustacea, Decapoda, Brachyura), with new nomina for higher-ranked podotreme taxa
FIGURE 2. Spermathecae in Dromiinae. A, Dromia bollorei Forest, 1974, ovig. female 43.1 × 47.5 mm, holotype, Ivory Coast (MNHN-B21993); B, Dromia personata (Linnaeus, 1758), female 31.0 × 36.0 mm, France, St. Vaast (MNHN-B21964); C, Lauridromia dehaani (Rathbun, 1923), ovig. female 59.0 × 70.0 mm (MNHN-B6871); D, Stimdromia lateralis (Gray, 1831), female 14.3 × 15.7 mm, New South Wales (MNHN-B11206). g, female gonopore; s, aperture of spermatheca; s.d., sterno-coxal depression; 4–8, thoracic sternites 4–8; 7/8, thoracic sternal suture 7/8. Scale bars: 5 mm (C); 2.5 mm (D).
FIGURE 43. A–E in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 43. A–E, Kroppcarcinus siderastreicola Badaro, Neves, Castro & Johnson, 2012. A, B, Male, cl 2.5 mm, cw 2 mm and ovigerous female, cl 2.9 mm, cw 2.1 mm (MZUSP 39595), respectively. C, D, Ovigerous female, cl 2.2 mm, cw 1.9 mm (MZUSP 40219). E, Ovigerous female, cl 2.5 mm, cw 2 mm (MZUSP 40802). F, Siderastrea sp. (MZUSP 40379) in situ, Trindade Island, Ponta da Calheta, 3.viii.2015, 17.7 m. Note rather crescent-shaped opening of the chamber (arrow) inhabited by K. siderastreicola. Photographs: (A–E) by A. Pol, (F) by J.B. Mendonça.
FIGURE 37. A–F in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 37. A–F, Microcassiope minor (Dana, 1852). A, B, Female, cl 5.3 mm, cw 7.6 mm (MZUSP 40937). C, Ovigerous female, cl 5.9 mm, cw 8 mm (MZUSP 33820). D, Female, cl 4.9 mm, cw 6.9 mm (MZUSP 33728). E, Male, cl 4.5 mm, cw 6.1 mm (MZUSP 33819). F, Male (USNM 256635). Habitus, dorsal (A, C–E) and ventral (B) aspects. F, Carapace dorsal view (cropped electronically). Photographs (A, E) by A. Pol.
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