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303 results for “Macrobrachium”
Appendix. List of the 28S and 16S rRNA sequences recovered from GenBank. 28S = 28S rRNA GenBank accession number; 16S = 16S rRNA GenBank accession number. in Genetic and morphological evidence for cryptic species in Macrobrachium australe and resurrection of M. ustulatum (Crustacea, Palaemonidae)
Appendix. List of the 28S and 16S rRNA sequences recovered from GenBank. 28S = 28S rRNA GenBank accession number; 16S = 16S rRNA GenBank accession number.
Fig. 5 in Genetic and morphological evidence for cryptic species in Macrobrachium australe and resurrection of M. ustulatum (Crustacea, Palaemonidae)
Fig. 5. Macrobrachium ustulatus (Nobili, 1899). – A–B, E. MNHN-IU-2013-13202. A. Cephalothorax. B. Epistome. E. Major second pereiopod finger. – C, G. MNHN-IU-2013-13201. C. Fourth thoracic sternite. G. Minor second pereiopod finger. – D, F. MNHN-IU-2013-13203. D. Major second pereiopod. F. Minor second pereiopod. Scale bars: A, E, G = 2 mm; B–C = 1 mm; D, F = 4 mm.
Fig. 3 in Genetic and morphological evidence for cryptic species in Macrobrachium australe and resurrection of M. ustulatum (Crustacea, Palaemonidae)
Fig. 3. Macrobrachium australe (Guérin-Méneville, 1838 in Guérin-Méneville 1829–1838), MNHN- IU-2013-13198. A. Cephalothorax. B. Epistome. C. Fourth thoracic sternite. D. Major second pereiopod. E. Major second pereiopod finger. F. Minor second pereiopod. G. Minor second pereiopod finger. Scale bars: A, E, G = 2 mm; B–C = 1 mm; D, F = 4 mm.
Fig. 1 in Genetic and morphological evidence for cryptic species in Macrobrachium australe and resurrection of M. ustulatum (Crustacea, Palaemonidae)
Fig. 1. Map of the Indo-Pacific showing localities where Macrobrachium australe (Guérin-Méneville, 1838 in Guérin-Méneville 1829–1838) (black area) and M. ustulatum (Nobili, 1899) (red area) were collected and/or recorded. Capitalized locality names correspond to the 7 localities sampled for this study. Non-capitalized locality names correspond to the localities reported from the literature. Stars shows the type localities of the synonyms of M. australe (black stars) and M. ustulatum (red star).
Fig. 4. A in Genetic and morphological evidence for cryptic species in Macrobrachium australe and resurrection of M. ustulatum (Crustacea, Palaemonidae)
Fig. 4. A. Live coloration of Macrobrachium australe (Guérin-Méneville, 1838 in Guérin-Méneville 1829–1838) (photo: E. Vigneux). B. Live coloration of M. ustulatum (Nobili, 1899) (photo: P. Keith).
Figure 2. Macrobrachium tenellum adult male who underwent a second spermatophore extraction using the electrostimulation technique. A in Sperm viability in wild-caught males of Macrobrachium tenellum (Smith, 1871) (Decapoda: Caridea: Palaemonidae) fed with different diets
Figure 2. Macrobrachium tenellum adult male who underwent a second spermatophore extraction using the electrostimulation technique. A= The dark brown, melanized spermatophore is different from that observed in healthy males.
Figure 1 in Sperm viability in wild-caught males of Macrobrachium tenellum (Smith, 1871) (Decapoda: Caridea: Palaemonidae) fed with different diets
Figure 1. Relationship between (A) body weight and spermatophore weight, (B) sperm cell number and spermatophore weight, (C) spermatophore weight and body length, (D) sperm cell number and body weight, and (E) sperm cell number and body length of wild Macrobrachium tenellum, analyzed after collection.
Fig. 2 in Relative growth of freshwater prawn Macrobrachium brasiliense (Decapoda, Palaemonidae) and its implications for reproduction
Fig. 2. Scatterplots of the morphometric relationships for males of Macrobrachium brasiliense (Heller, 1862) (CL, carapace length; PW, pleura width; IL, ischial length; ML, merus length; CRL, carpus length; PPL, propodus length; DCL, dactYl length; PPH, propodus height; measurements in mm).
Fig. 1 in Relative growth of freshwater prawn Macrobrachium brasiliense (Decapoda, Palaemonidae) and its implications for reproduction
Fig. 1. Structures selected for morphometric analYsis (CL, carapace length; PW, pleura width; IL, ischial length; ML, merus length; CRL, carpus length; PPL, propodus length; DCL, dactYl length; PPH, propodus height; measurements in mm). Adapted from MELO (2003).
Fig. 3 in Relative growth of freshwater prawn Macrobrachium brasiliense (Decapoda, Palaemonidae) and its implications for reproduction
Fig. 3. Scatterplots of the morphometric relationships for females of Macrobrachium brasiliense (Heller, 1862) (CL, carapace length; PW, pleura width; IL, ischial length; ML, merus length; CRL, carpus length; PPL, propodus length; DCL, dactYl length; PPH, propodus height; measurements in mm).
Figure 3 in Tolerance limit of physicochemical water parameters in giant freshwater prawn (Macrobrachium rosenbergii) in a captive condition
Figure 3. Six replicates of the mean of cold temperature critical limit (maximum and minimum) subject to M. rosenbergii.
Figure 6 in Tolerance limit of physicochemical water parameters in giant freshwater prawn (Macrobrachium rosenbergii) in a captive condition
Figure 6. Variation of different temperatures (29.8 °C, 20.9 °C, 16.9 °C, and 13.9 °C) in the experimental tank.
Fig. 3 in A New Species Of Troglobitic Freshwater Prawn Of The Genus Macrobrachium From Southern China (Crustacea: Decapoda: Palaemonidae)
Fig. 3. Color photograph of Macrobrachium lingyunense, new species: paratype, female, cl 15.1 mm (ZRC 2005.0138).
Fig. 2 in A New Species Of Troglobitic Freshwater Prawn Of The Genus Macrobrachium From Southern China (Crustacea: Decapoda: Palaemonidae)
Fig. 2. Macrobrachium lingyunense, new species: A, third maxilliped; B, first pereiopod; C, male major second pereiopod; D, third pereiopod; E, propodus and dactylus of third pereiopod; F, scaphocerite; G, telson, H, uropodal diaeresis. A, paratype, male, cl 12.8 mm (ZRC 2005.0138); B-H, paratype female, cl 15.1 mm (ZRC 2005.0138). Scale bars: A-D, F = 2 mm; E, H = 0.5 mm; G = 1 mm.
Fig. 1 in A New Species Of Troglobitic Freshwater Prawn Of The Genus Macrobrachium From Southern China (Crustacea: Decapoda: Palaemonidae)
Fig. 1. Macrobrachium lingyunense, new species: A, cephalothorax; B, epistome; C, mandible; D, maxillula; E, maxilla; F, first maxilliped; G, second maxilliped; H, first two abdominal sterna with transverse ridge and median tooth. A, paratype, female, cl 15.1 mm (ZRC 2005.0138); B-H, paratype, male, cl 12.8 mm (ZRC 2005.0138). Scale bars: A = 2 mm; B-D, H = 0.5 mm; E-G = 1 mm.
Figs 2, 3 in Microhabitat preferences of the freshwater prawn Macrobrachium jelskii (Decapoda: Palaemonidae)
Figs 2, 3. Standardized mean abundance of Macrobrachium jelskii (Miers, 1877) in the three microhabitats studied – Eleocharis sp. (Microhabitat 1), Cabomba sp. (Microhabitat 2), and Nymphaea sp. (Microhabitat 3): Fig. 2, females (squares) and males (circles); Fig. 3, juvenile males (circles), adult males (squares), juvenile females (lozenges), non-ovigerous adult females (triangles) and ovigerous adult females (crosses). Bars represent confidence intervals at 0.95 level.
Figs 4, 5 in Microhabitat preferences of the freshwater prawn Macrobrachium jelskii (Decapoda: Palaemonidae)
Figs 4, 5. Standardized mean carapace length of Macrobrachium jelskii (Miers, 1877) in the three microhabitats studied – Eleocharis sp. (Microhabitat 1), Cabomba sp. (Microhabitat 2), and Nymphaea sp. (Microhabitat 3): Fig. 4, females (squares) and males (circles); Fig. 5, juvenile males (circles), adult males (squares), juvenile females (lozenges), non-ovigerous adult females (triangles) and ovigerous adult females (crosses). Bars represent confidence intervals at 0.95 level.
Fig. 1 in Microhabitat preferences of the freshwater prawn Macrobrachium jelskii (Decapoda: Palaemonidae)
Fig. 1. Map of Recôncavo da Bahia, Brazil. Black area, Pedra do Cavalo Reservoir; black circle, urban area of Cruz das Almas, Bahia (map above). Sampling site, Doutor Braz Water Reservoir (12°40'06.6"S, 39°07'11.2"W) (photograph below).
Figs 19-24 in Ovarian development and spawning of Macrobrachium amazonicum (Crustacea, Decapoda)
Figs 19-24. Distribution of reproductive cell diameters of Macrobachium amazonicum (Heller, 1862) females captured in the Cachoeira II reservoir, between November 2014 and August 2017, in different stages of gonadal maturation: 19, Immature; 20, In maturation; 21, Mature; 22, Spawned in maturation; 23, Spawned; 24, Resting. The peaks of elevations in the curves indicate modal groups (N, number of oocytes measured).
Figs 11, 12 in Ovarian development and spawning of Macrobrachium amazonicum (Crustacea, Decapoda)
Figs 11, 12. Graphical representation of reproductive cells of Macrobrachium amazonicum (Heller, 1862) females captured in the Cachoeira II reservoir between November 2014 and August 2017: 11, cells diameter; 12, nuclei diameter, showing maximum observation (upper bar), minimum observation (lower bar), third quartile (top of the boX), first quartile (bottom of boX) and average (inner bar) (OO, oogonia; PVO, previtellogenic oocyte; VO, vitellogenic oocyte; MO, mature oocyte). HoriZontally, different letters indicate statistical difference (p<0.01), verified by the Tukey test.
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