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313 results for “Gecarcinucidae”
Figure 4 in Description of Ghatiana, a new genus of freshwater crab, with two new species and a new species of Gubernatoriana (Crustacea: Decapoda: Brachyura: Gecarcinucidae) from the Western Ghat Mountains, India
Figure 4. Ghatiana hyacintha sp. nov., holotype male (ZSI, WRC-C.1130). (A) Dorsal view; (B) frontal view; (C) ventral view. Scale bars: 10 mm.
Fig. 1 in Evidence That Salt Water May Not Be A Barrier To The Dispersal Of Asian Freshwater Crabs (Decapoda: Brachyura: Gecarcinucidae And Potamidae)
Fig. 1. Hemolymph osmolality of three experimental groups (A–C) of Esanthelphusa dugasti (Gecarcinucidae) held for up to 9 days in deep 30 cm fresh water and in 22 and 30 ppt salt water. Line with diamonds = water osmolality. Columns = hemolymph osmolality, light = sub-adults; dark = juveniles; error bars = standard deviation. The x-axis shows the number of days that crabs were subjected to a particular salinity. A. Sub-adults in fresh water (n = 27 and 24, respectively). B. Juveniles in 22 ppt salt water (n = 25). C. Sub-adults (n = 22 and 8, respectively) and juveniles (n = 12) in 30 ppt water. Dark horizontal bar = salinity at which hemolymph is hyperosmotic to the external water.
Fig. 2 in Evidence That Salt Water May Not Be A Barrier To The Dispersal Of Asian Freshwater Crabs (Decapoda: Brachyura: Gecarcinucidae And Potamidae)
Fig. 2. Hemolymph osmolality of adult Eosamon smithianum (Potamidae) held for up to 9 days in deep 30 cm fresh water and in 22, 25, and 30 ppt salt water. Line with diamonds = water osmolality. Columns = hemolymph osmolality, light = sub-adults; dark = juveniles; error bars = standard deviation. The x-axis shows the number of days that crabs were subjected to a particular salinity. Adults (n = 5) and juveniles (n = 17, 5) in fresh water ('baseline'), and in deep sea water at 22 ppt (n = 5, 1, respectively), 25 ppt (n = 5), and 30 ppt (n = 3). Dark horizontal bar = salinity at which the hemolymph is hyperosmotic to the external water.
Fig. 4 in Evidence That Salt Water May Not Be A Barrier To The Dispersal Of Asian Freshwater Crabs (Decapoda: Brachyura: Gecarcinucidae And Potamidae)
Fig. 4. Hemolymph osmolality of three experimental groups (A–C) of Eosamon smithianum (Potamidae) held in shallow 2.5 cm water of different salinities for up to 13 days. Line with diamonds = water osmolality. Columns = hemolymph osmolality, light = subadults; dark = juveniles; error bars = standard deviation. The x-axis shows the number of days that crabs were subjected to a particular salinity. A. Adults (n = 20, 15, 15, 12, respectively) and juveniles (n = 10, 5, 3, respectively) in fresh water. B. Adults (n = 16, 12, 10, respectively), juveniles (n= 12, 6, respectively) and hatchlings (n=12) in 22 ppt salt water. C. Adults in 28 ppt. salt water (n = 22, 20, 18, respectively). Dark horizontal bar = salinity at which the hemolymph is hyperosmotic to the external water.
Fig. 3 in Evidence That Salt Water May Not Be A Barrier To The Dispersal Of Asian Freshwater Crabs (Decapoda: Brachyura: Gecarcinucidae And Potamidae)
Fig. 3. Hemolymph osmolality of Esanthelphusa dugasti (Gecarcinucidae) in shallow 2.5 cm water at salinities of 0, 7, 13, 15, 22, 30 and 33 ppt. The x-axis shows the number of days (5, 9, or 13) that 7 groups of crabs (A–G) were subjected to a particular salinity. Line with diamonds = water osmolality. Columns = hemolymph osmolality, light = sub-adults; dark = juveniles; error bars = standard deviation. Hemolymph osmolality of: A, sub-adults (n = 24, 17, and 14, respectively), and juveniles (n = 20) in fresh water; B, sub-adults (n = 26, 10, 4, respectively) in 7 ppt salt water. C, subadults (n = 19 and 14) and juveniles (n = 10) in 13 ppt salt water. D, sub-adults in 15 ppt salt water (n = 25, 17 and 6, respectively). E, sub-adults (n = 20, 9, 6, respectively) and juveniles (n = 22) in 22 ppt salt water. F, sub-adults (n = 26, 7, 7, respectively) and juveniles (n = 19) in 30 ppt salt water. G, juveniles in 33 ppt salt water (n = 4, 2, respectively). Dark horizontal bar = salinities at which the hemolymph is hyperosmotic to the external water.
Fig. 3. Genealogical network for the combined 16S in Introduction Of An Indochinese Freshwater Crab Sayamia Germaini (Crustacea: Brachyura: Gecarcinucidae) To Taiwan: Morphological And Molecular Evidence
Fig. 3. Genealogical network for the combined 16S rRNA and COI haplotypes observed within the clades of Sayamia germaini (collected from Taiwan, Vietnam and Cambodia) and S. sexpunctata (Malaysia). The ancestral haplotype, or root of the network, is indicated by a square. Unlabelled nodes indicate inferred haplotypes not found in the sampled populations
Fig. 2. A in Introduction Of An Indochinese Freshwater Crab Sayamia Germaini (Crustacea: Brachyura: Gecarcinucidae) To Taiwan: Morphological And Molecular Evidence
Fig. 2. A Bayesian inference (BI) tree of the Sayamia species from Taiwan, Vietnam, Cambodia, Malaysia and Thailand based on the combined 16S rRNA and cytochrome oxidase I genes. Probability values at the nodes represent support values for BI and maximum parsimony (MP). For haplotype abbreviations and detailed localities see Table 1.
Fig. 1 in Introduction Of An Indochinese Freshwater Crab Sayamia Germaini (Crustacea: Brachyura: Gecarcinucidae) To Taiwan: Morphological And Molecular Evidence
Fig. 1. Sayamia germaini (Rathbun, 1902). A, dorsal view of a male (NTOU F10307, CW 46.1 mm) from the coastal region of Kaohsiung, southwestern Taiwan; B, C, G1s of holotype (MNHN-B5162, CW 44.2 mm) and NTOU F10301 (CW 50.4 mm)
FIG. 5. — Ghatiana rouxi n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 5. — Ghatiana rouxi n. sp., holotype ♂ (13.38 × 10.95 mm), ZSI-WRC C.2002 (A-F); paratype ♀ (14.11 × 11.19 mm), ZSI-WRC C.2003 (G, H): A, left third maxilliped; B, major or right chela (outer view); C, S1-S7, pleonal somites 4-6, and telson; D, right G1 (dorsal view); E, right G1 (ventral view); F, right G2; G, pleonal somites 4-6 and telson; H, S1-S8 showing vulvae. Scale bars: A-C, G, H, 2 mm; D-F, 1 mm.
FIG. 8. — Sahyadriana keshari n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 8. — Sahyadriana keshari n. sp., holotype ♂ (13.96 × 10.88 mm), ZSI-WRC C.2007: A, overall dorsal view; B, dorsal view of cephalothorax; C, frontal view of cephalothorax; D, overall ventral view. Scale bars: A, D, 10 mm; B, C, 5 mm.
FIG. 2. — Ghatiana durrelli n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 2. — Ghatiana durrelli n. sp., holotype ♂ (19.53 × 13.19 mm), ZSI-WRC C.1999 (A-F); paratype ♀ (22.83 × 15.04 mm) (ZSI-WRC C.2000) (G, H): A, left third maxilliped; B, major or right chela (outer view); C, S1-S7, pleonal somites 4-6, and telson; D, left G1 (dorsal view); E, left G1 (ventral view); F, left G2; G, pleonal somites 4-6 and telson; H, S1-S8 showing vulvae. Scale bars: A, C, G, H, 2 mm; B, 10 mm; D-F, 1 mm.
FIG. 3 in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 3. — Colour in life: A, Ghatiana durrelli n. sp., ♀ from Amba; B, Ghatiana durrelli n. sp., ♂ from type locality; C, Ghatiana rouxi n. sp., ♂ from Chorla; D, Sahyadriana inopinata n. sp., ♂ from type locality; E, Sahyadriana keshari n. sp., ♂ from type locality; F-H, Sahyadriana tamhini n. sp., all ♂ from type locality and its vicinity. The photographed specimens could not be collected.
FIG. 4. — Ghatiana rouxi n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 4. — Ghatiana rouxi n. sp., holotype ♂ (13.38 × 10.95 mm), ZSI-WRC C.2002: A, overall dorsal view; B, dorsal view of cephalothorax; C, frontal view of cephalothorax; D, overall ventral view. Scale bars: A, B, D, 10 mm; C, 5 mm.
FIG. 9. — Sahyadriana keshari n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 9. — Sahyadriana keshari n. sp., holotype ♂ (13.96 × 10.88 mm), ZSI-WRC C.2007 (A-F); paratype ♀ (15.92 × 12.16 mm), ZSI-WRC C.2008 (G, H): A, left third maxilliped; B, major or right chela (outer view); C, S1-S7, pleonal somites 4-6, and telson; D, left G1 (dorsal view); E, left G1 (ventral view); F, left G2; G, pleonal somites 4-6 and telson; H, S1-S8 showing vulvae. Scale bars: A, 1 mm; B, C, G, H, 2 mm; D-F, 0.5 mm.
FIG. 7. — Sahyadriana inopinata n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 7. — Sahyadriana inopinata n. sp., holotype ♂ (10.29 × 7.86 mm), ZSI-WRC C.2015 (A-F); paratype ♀ (11.93 × 9.05 mm), ZSI-WRC C.2016 (G, H): A, left third maxilliped; B, major or right chela (outer view); C, S1-S7, pleonal somites 4-6, and telson; D, right G1 (dorsal view); E, right G1 (ventral view); F, right G2; G, pleonal somites 4-6 and telson; H, S1-S8 showing vulvae. Scale bars: A, 1 mm; B, C, G, H, 2 mm; D-F, 0.5 mm.
FIG. 1. — Ghatiana durrelli n in Five new species of freshwater crabs of the genera Ghatiana Pati & Sharma, 2014 and Sahyadriana Pati & Thackeray, 2018 from India (Decapoda: Brachyura: Gecarcinucidae)
FIG. 1. — Ghatiana durrelli n. sp., holotype ♂ (19.53 × 13.19 mm), ZSI-WRC C.1999: A, overall dorsal view; B, dorsal view of cephalothorax; C, frontal view of cephalothorax; D, overall ventral view. Scale bars: A, D, 10 mm; B, C, 5 mm.
Fig. 12 in Description of a new species of Spiralothelphusa Bott, 1968, and redescription of Spiralothelphusa wuellerstorfi (Heller, 1862) (Decapoda: Brachyura: Gecarcinucidae)
Fig. 12. Spiralothelphusa andhra sp. nov., paratype, ♀ (13.3 × 10.7 mm) (ZSI-FBRC INV/2258). A. Cephalothorax, dorsal view. B. Pleon. C. Thoracic sternites showing vulvae. Scale bars: A = 2 mm; B–C = 1 mm.
Fig. 8 in Description of a new species of Spiralothelphusa Bott, 1968, and redescription of Spiralothelphusa wuellerstorfi (Heller, 1862) (Decapoda: Brachyura: Gecarcinucidae)
Fig. 8. Map of South India showing precise records of Spiralothelphusa wuellerstorfi (Heller, 1862) and collection sites of Spiralothelphusa andhra sp. nov.
Fig. 5 in Description of a new species of Spiralothelphusa Bott, 1968, and redescription of Spiralothelphusa wuellerstorfi (Heller, 1862) (Decapoda: Brachyura: Gecarcinucidae)
Fig. 5. Spiralothelphusa wuellerstorfi (Heller, 1862), paralectotype, ♀ (37.8 × 28.6 mm) (NHMW CR 27064). A. Entire animal, dorsal view. B. Cephalothorax, frontal view. C. Entire animal, ventral view. D. Thoracic sternites showing vulvae. Scale bars: A–C = 10 mm; D = 5 mm.
Fig. 2 in Description of a new species of Spiralothelphusa Bott, 1968, and redescription of Spiralothelphusa wuellerstorfi (Heller, 1862) (Decapoda: Brachyura: Gecarcinucidae)
Fig. 2. Maximum Likelihood (ML) phylogram for Spiralothelphusa Bott, 1968 based on 603 bp of mt COI DNA. The bootstrap value of ML analysis is shown at each node, except for values <50%.
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