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FIGURE 4 in A new genus of the family Portunidae (Crustacea: Decapoda: Brachyura) and the identity of Portunus (Cycloachelous) yoronensis Sakai, 1974

FIGURE 4. Cavoportunus dubius (Laurie, 1906). A, lectotype male, (10.2 ×8.1 mm) (NHM 1907.5.22.320); B-F. male, (18.5 ×14.6 mm) (ZRC 2001.0627). A, carapace; B, male abdomen; C, male thoracic sternum with intact right G1; D, different views of left G1; E, right G2; F, distal part of right G2. Scales: A-E = 1.0 mm, F = 0.2 mm.

FIGURE 1 in A new genus of the family Portunidae (Crustacea: Decapoda: Brachyura) and the identity of Portunus (Cycloachelous) yoronensis Sakai, 1974

FIGURE 1. Live colour. Cavoportunus dubius (Laurie, 1906). Female (13.0 ×10.2 mm) (NSMT-KY-08-15), dorsal overall view. Scales = 1.0 mm. (Photograph: H. Komatsu).

FIGURE 3 in A new genus of the family Portunidae (Crustacea: Decapoda: Brachyura) and the identity of Portunus (Cycloachelous) yoronensis Sakai, 1974

FIGURE 3. Cavoportunus dubius (Laurie, 1906). A-C, parts of paralectotype, male (NHM 1907.5.22.320). A, B, left cheliped; C, right third maxiliped; D, E, male (18.5 × 14.6 mm) (ZRC 2001.0627). D, thoracic sternum with intact right G1; E, different views of G1; F, G, female (18.5 × 14.3 mm (ZRC 2001.0627). F, abdomen; G, thoracic sternum; H, juv. male (9.7 × 7.3 mm) (WMNH-Na-Cr 0539) thoracic sternum. Abbreviations: p = penis; pb = press button. Scales = 1.0 mm.

FIGURE 2 in A new genus of the family Portunidae (Crustacea: Decapoda: Brachyura) and the identity of Portunus (Cycloachelous) yoronensis Sakai, 1974

FIGURE 2. Cavoportunus dubius (Laurie, 1906). A, lectotype male (10.2 × 8.1 mm) (NHM 1907.5.22.320); B, C, male (18.5 × 14.6 mm) (ZRC 2001.0627). A, overall dorsal view; B, ventral view of thoracic sternum and abdomen; C, frontal view of carapace.

FIGURE 5. A, B in A new genus of the family Portunidae (Crustacea: Decapoda: Brachyura) and the identity of Portunus (Cycloachelous) yoronensis Sakai, 1974

FIGURE 5. A, B, Cycloachelous orbicularis (Richters, 1880), male (18.7 ×14.23mm) (NHMLAC JM0131) (Photographs: J. C. E. Mendoza); C, D, Cycloachelous granulatus (H. Milne Edwards, 1834), male, (22 ×15.4 mm) (ZRC 2000.0653). A, C, dorsal overall views; B, D, anterior male thoracic sternums showing abdominal cavities and gonopods. Scales = 1.0 mm.

Fig. 1. A, C, D in Histological description of specialized rootlets of the akentrogonid rhizocephalan Diplothylacus sinensis (Keppen, 1877) (Thompsoniidae) invading nervous ganglia of the blue swimming crab Portunus pelagicus

Fig. 1. A, C, D - rootlets of Diplothylacus sinensis infiltrating nervous ganglia of the host Portunus pelagicus; B - rootlets of D. sinensis in the nerves originating from the ganglia. 1 - nervous tissue, 2 - ganglion envelope, 3 - rootlets of D. sinensis, 4 - nerve, 5 – hypodermal cell layer in rootlets of type 1, 6 - central lumen in rootlets of type 1, 7 - rootlets enveloped in host's membranous structures.

Fig. 4 in Histological description of specialized rootlets of the akentrogonid rhizocephalan Diplothylacus sinensis (Keppen, 1877) (Thompsoniidae) invading nervous ganglia of the blue swimming crab Portunus pelagicus

Fig. 4. General scheme of different rootlets. A – fused ventral nervous ganglia; B - rootlets of type 1; C - rootlets of type 2; D - rootlets of type 3; E rootlets of type 4. 1 - fused ventral nervous ganglia, 2 - rootlets, 3 - cuticle, 4 - hypodermal cell layer, 5 - subcuticular space, 6 - central lumen, 7 - chaotically dispersed cells, 8 - vesicles stained by fuchsin and orange G, 9 - vesicles stained by aniline blue. (For interpretation of the references to colour/colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 2. A, B, C in Histological description of specialized rootlets of the akentrogonid rhizocephalan Diplothylacus sinensis (Keppen, 1877) (Thompsoniidae) invading nervous ganglia of the blue swimming crab Portunus pelagicus

Fig. 2. A, B, C - rootlets (type 2) in the nervous tissue of the host; D - rootlets (type 3). 1 - nervous tissue, 2 - cuticle, 3 - subcuticular space with blue homogeneous content, 4 - hypodermal cell layer, 5 - central lumen, 6 - empty roundish spaces in the subcuticular space, 7 - randomly dispersed cells in a rootlet (type 3). (For interpretation of the references to colour/colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 3. A, B in Histological description of specialized rootlets of the akentrogonid rhizocephalan Diplothylacus sinensis (Keppen, 1877) (Thompsoniidae) invading nervous ganglia of the blue swimming crab Portunus pelagicus

Fig. 3. A, B - rootlets (type 4) in the nervous tissue of the host. 1 - nervous tissue, 2 - hypodermal cell layer, 3 - central lumen, 4 - vesicles stained by fuchsin and orange G, 5 - vesicles stained by aniline blue. (For interpretation of the references to colour/colour in this figure legend, the reader is referred to the Web version of this article.)

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Orbitrap analysed non-volatile compound data from blue swimmer crab (Portunus armatus) flesh for manuscript: "Climate-driven changes to taste and aroma determining metabolites in an economically valuable portunid (Portunus armatus) have implications for future harvesting"

<p>Accurate mass measurements of non-volatile metabolites conducted on a Q-Exactive Orbitrap LC-MS (Thermo Scientific, Scoresby, VIC, Australia) equipped with a heated electrospray ionization (H-ESI) source. Source conditions were as follows: spray voltage (positive ion 3.9 kV), sheath gas 60 (arbitrary units), auxiliary gas 10 (arbitrary units) and sweep gas 1 (arbitrary units), capillary temperature of 350 °C and auxiliary gas heating temperature of 400 °C.</p>

FIGURE 6 in The first zoeal stage morphology of Achelous spinimanus (Latreille), A. gibbesii (Stimpson), and Portunus sayi (Gibbes) (Decapoda, Brachyura) provides support for molecular phylogeny

FIGURE 6. Telson furcae, detail of spinulation. a. Achelous gibbesii (Stimpson, 1859); b. Portunus sayi (Gibbes, 1850) (Scale bar: 0.02 mm)

FIGURE 5. Maxillule. a in The first zoeal stage morphology of Achelous spinimanus (Latreille), A. gibbesii (Stimpson), and Portunus sayi (Gibbes) (Decapoda, Brachyura) provides support for molecular phylogeny

FIGURE 5. Maxillule. a. Achelous gibbesii (Stimpson, 1859); b. Portunus sayi (Gibbes, 1850). Maxilla. c. A. gibbesii; d. P. sayi. (Scale bar: 0.05 mm)

FIGURE 3. Cephalothorax, lateral view. a in The first zoeal stage morphology of Achelous spinimanus (Latreille), A. gibbesii (Stimpson), and Portunus sayi (Gibbes) (Decapoda, Brachyura) provides support for molecular phylogeny

FIGURE 3. Cephalothorax, lateral view. a. Achelous gibbesii (Stimpson, 1859); b. Portunus sayi (Gibbes, 1850). Magnification of lateroventral margin. c. A. gibbesii; d. P. sayi. (Scale bar: a, c = 0.1 mm; b, d = 0.05 mm)

FIGURE 2 in The first zoeal stage morphology of Achelous spinimanus (Latreille), A. gibbesii (Stimpson), and Portunus sayi (Gibbes) (Decapoda, Brachyura) provides support for molecular phylogeny

FIGURE 2. Achelous spinimanus (Latreille, 1819), Zoea I. a. First maxilliped; b. Second maxilliped; c. Pleon, dorsal view; d. Pleon, lateral view; e. detail of spinulation of the telson furcae. (Scale bars: a, b = 0.05 mm; c, d = 0.1 mm; e = 0.02 mm)

FIGURE 1 in The first zoeal stage morphology of Achelous spinimanus (Latreille), A. gibbesii (Stimpson), and Portunus sayi (Gibbes) (Decapoda, Brachyura) provides support for molecular phylogeny

FIGURE 1. Achelous spinimanus (Latreille, 1819), Zoea I. a. Cephalothorax, lateral view; b. Magnification of the lateroventral margin of cephalothorax; c. Antennule; d. Antenna; e. Maxillule; f. Maxilla. (Scale bars: a = 0.1 mm; b - f = 0.05 mm)

FIGURE 4. Antennule. a in The first zoeal stage morphology of Achelous spinimanus (Latreille), A. gibbesii (Stimpson), and Portunus sayi (Gibbes) (Decapoda, Brachyura) provides support for molecular phylogeny

FIGURE 4. Antennule. a. Achelous gibbesii (Stimpson, 1859); c. Portunus sayi (Gibbes, 1850). Antenna. b. A. gibbesii; d. P. sayi. (Scale bar: 0.05 mm)

FIGURE 8 in Morphology of the complete larval stages of Portunus segnis (Forskål, 1775) (Crustacea: Brachyura: Portunidae) from the Gulf of Aqaba, Saudi Arabia

FIGURE 8. Portunus segnis Forskål, 1775, second maxilliped; a) zoea I; b) zoea II; c) zoea III; d) zoea IV; e) megalopa; f) third maxilliped of zoea IV; g) third maxilliped of megalopa.

FIGURE 7 in Morphology of the complete larval stages of Portunus segnis (Forskål, 1775) (Crustacea: Brachyura: Portunidae) from the Gulf of Aqaba, Saudi Arabia

FIGURE 7. Portunus segnis Forskål, 1775, first maxilliped; a) zoea I; b) zoea II; c) zoea III; d) zoea IV; e) megalopa.

FIGURE 6 in Morphology of the complete larval stages of Portunus segnis (Forskål, 1775) (Crustacea: Brachyura: Portunidae) from the Gulf of Aqaba, Saudi Arabia

FIGURE 6. Portunus segnis Forskål, 1775, maxilla; a) zoea I; b) zoea II; c) zoea III; d) zoea IV; e) megalopa.

FIGURE 4 in Morphology of the complete larval stages of Portunus segnis (Forskål, 1775) (Crustacea: Brachyura: Portunidae) from the Gulf of Aqaba, Saudi Arabia

FIGURE 4. Portunus segnis Forskål, 1775, mandible; a) zoea I; b) zoea II; c) zoea III; d) zoea IV; e) megalopa.