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125 results for “freshwater prawn”
FIGURE 2 in Macrobrachium agwi-a new species of freshwater prawn (Decapoda: Palaemonidae) from East Bengal, India
FIGURE 2. Macrobrachium agwi, new species, holotype male (cl 17.4 mm; R RMNH D 51995). A. cephalothorax and cephalic appendages; B. postantennular carapace margin; C. epistome; D. 4th thoratic sternum; E. 8th thoratic sternum, F. first 3 abdominal sternites; G. first cheliped; H. third pereiopod; I. dactylus of third pereiopod; J. telson; K. uropodial diaresis. Scale bars: A, G, H = 10 mm; B–F, I–K = 2 mm.
FIGURE 3 in Macrobrachium agwi-a new species of freshwater prawn (Decapoda: Palaemonidae) from East Bengal, India
FIGURE 3. Macrobrachium agwi, new species, holotype male (cl 17.4 mm; RMNH D 51995). A. major second pereiopod; B. chela of major second pereiopod; C. teeth on proximal part of fingers; D. minor second pereiopod. Scale bars: 10 mm.
FIGURE 3 in Morphological and molecular features of some freshwater prawn species under genus Macrobrachium Spence Bate, 1868 (Crustacea: Decapoda: Palaemonidae) from Myanmar
FIGURE 3. The phylogenetic relationships analyzed by neighbor-joining (NJ) (A) and maximum likelihood (ML) (B) methods based on partial COI sequences of Macrobrachium species with Procambarus clarkii as out-group taxa. Bootstrap values are shown at nodes.
FIGURE 2 in Morphological and molecular features of some freshwater prawn species under genus Macrobrachium Spence Bate, 1868 (Crustacea: Decapoda: Palaemonidae) from Myanmar
FIGURE 2. The photographs of whole prawns. A: Macrobrachium cavernicola; B: Macrobrachium australiense; C: Macrobrachium johnsoni; D: Macrobrachium josephi; E: Macrobrachium sp.WMY-2017. Bars: 2cm.
FIGURE 1 in Morphological and molecular features of some freshwater prawn species under genus Macrobrachium Spence Bate, 1868 (Crustacea: Decapoda: Palaemonidae) from Myanmar
FIGURE 1. Map of the collection site: Monywa, Sagaing Region, Myanmar. A: Map of the Republic of the Union of Myanmar. B: Sagaing Region of Myanmar (the red area represents Monywa). Source: Land Records Department, Monywa.
FIGURE 7 in Macrobrachium chainatense sp. nov. (Decapoda: Palaemonidae): a freshwater prawn from Thailand based on morphology and molecular phylogeny
FIGURE 7. Phylogenetic tree of Macrobrachium reconstructed from mitochondrial COI and nuclear 18S genes using partitioned Bayesian inference with Cryphiops caementarius and Coralliocaris superba constituting an outgroup. The numbers at the nodes represent the posterior probabilities supporting the corresponding clades. Branch lengths and (horizontal) heights of isosceles triangles represent the estimated numbers of nucleotide substitutions per site.
FIGURE 6 in Macrobrachium chainatense sp. nov. (Decapoda: Palaemonidae): a freshwater prawn from Thailand based on morphology and molecular phylogeny
FIGURE 6. Teeth on cutting edge of finger of second pereiopod of male Macrobrachium chainatense sp. nov.
FIGURE 3 in Macrobrachium chainatense sp. nov. (Decapoda: Palaemonidae): a freshwater prawn from Thailand based on morphology and molecular phylogeny
FIGURE 3. Macrobrachium chainatense sp. nov. (male). (A) Entire animal, lateral view; (B) telson and uropod; (C) carapace, top view; (D) scaphocerite; (E) epistome; (F) mandible; (G) maxillula; (H) maxilla; (I) first maxilliped; (J) second maxilliped; (K) third maxilliped; (L) first pereiopod; (M) second pereiopod; (N) third pereiopod; (O) uropodal diaeresis spine. Scales: (A) 5 mm; (B–N) 1 mm, (O) 0.1 mm.
FIGURE 1 in Macrobrachium chainatense sp. nov. (Decapoda: Palaemonidae): a freshwater prawn from Thailand based on morphology and molecular phylogeny
FIGURE 1. Map of Thailand showing the region for collecting Macrobrachium chainatense sp. nov. Adapted from Map of Bangkok and the 76 provinces of Thailand originated by NordNordWest, modified by Paul_012, available under the Creative Commons Attribution-Share Alike 3.0 Unported license from https://en.wikipedia.org/wiki/File:Thailand_provinces_en.svg (2 August 2017).
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 23. Macrobrachium sp. (X, cl 16 mm (CU 1997.166) Fang, Chiang Mai, coll. P. Naiyanetr, 1 May 1977). (A) Cephalothorax, lateral view; (B) cephalothorax, dorsal view; (C) epistome; (D) telson; (E) scaphocerite; (F) first pereiopod; (G) second pereiopod; (H) chela of same leg; (I) third pereiopod; (J) propodus and dactylus of same leg; (K) spine of uropodal diaeresis. Scales: (A, B, G) 5 mm; (D–F, H, I) 2 mm; (C, J) 1 mm; (K) 0.5 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 19. Macrobrachium forcipatum (W, cl 14.5 mm, CU 1997.135. Satun, southern Thailand, coll. P. Naiyanetr, 22 March 1982). (A) Cephalothorax; (B) epistome; (C) first three abdominal sterna with transverse ridge, with median processes; (D) scaphocerite; (E) first pereiopod; (F) second pereiopod; (G) chela of second pereiopod; (H) third pereiopod; (I) propodus and dactylus of third pereiopod; (J) telson; (K) movable spine of uropodal diaeresis. Scales: (A, F, G) 5 mm; (D, E, H, J) 2 mm; (B, C, I) 1 mm; (K) 0.5 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 22. Macrobrachium sirindhorn (W, cl. 17.6 mm, holotype, RMNH, stream near Fang, Chiang Mai, northern Thailand, coll. P. Naiyanetr, 23 April 1976). (A) Cephalothorax; (B) telson; (C) scaphocerite; (D) first pereiopod; (E) third pereiopod; (F) propodus and dactylus. Scales: (A) 5 mm; (B–F) 2 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 18. Macrobrachium eriocheirum (W, cl 16.2 mm, Huai Rong waterfall, downstream from National Park, Wai Long Ngau, coll. Y. Cai et al. (ZRC 2000.2669), 11 June 1998): (A) cephalothorax; (B) epistome; (C) first three abdominal sterna with transverse ridge, with median processes; (D) chela of second pereiopod. Macrobrachium forcipatum (W, cl 15.3 mm, CU 1987.135, Satum, south Thailand, coll. P. Naiyanetr, 22 March 1982): (E) cephalothorax; (F) capus and chela of second pereiopod. Scales: (A, D, E, F) 5 mm; (B, C) 2 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 16. Macrobrachium pilimanus (W, cl 14.5 mm, lectotype, RMNH D 1477, Moearalaboeh, west Sumatra, Indonesia, Midden Sumatra Expedition, 1877). (A) Cephalothorax, lateral view; (B) cephalothorax, dorsal view; (C) epistome; (D) first three abdominal sterna with transverse ridge, with median processes; (E) telson; (F) scaphocerite; (G) first pereiopod; (H) second pereiopod; (I) chela of second pereiopod; (J) third pereiopod; (K) propodus and dactylus of third pereiopod; (L) movable spine of uropodal diaeresis. Scales: (A, B, H, I) 5 mm; (C–G, J) 2 mm; (K) 1 mm; (L) 0.5 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 12. Macrobrachium hendersoni (W, cl 24.5 mm, CU 1997.109, near spring hot water, Hin Lao Amphoe, Thongphaphum, Kanchanaburi, west Thailand, 15 April 1985). (A) Cephalothorax; (B) scaphocerite; (C) first pereiopod; (D) second pereiopod; (E) chela of second pereiopod; (F) third pereiopod; (G) movable spine of uropodal diaeresis. Scales: (A, D, E) 5 mm; (B, C, F) 2 mm; (G) 0.5 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 20. Macrobrachium dienbienphuense (W, 13.0 mm, ZRC 2000.2736, afternoon Ban Tho market, outskirt of Chiang Mai city, from Mae Nam Ping river, coll. Y. Cai, 13 June 1998). (A) Cephalothorax; (B) epistome; (C) first three abdominal sterna with transverse ridge, with median processes; (D) preanal carina; (E) telson; (F) scaphocerite; (G) first pereiopod; (H) third pereiopod; (I) propodus and dactylus; (J) second pereiopod; (K) chela of second pereiopod. Scales: (A, J, K) 5 mm; (E–H) 2 mm; (B–D) 1 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 10. Macrobrachium yui (W, cl 26.1 mm, CU 1997.111, Mae Hong Son, northern Thailand). (A) Cephalothorax; (C) first pereiopod; (D) second pereiopod; (E) chela of second pereiopod; (F) third pereiopod; (G) propodus and dactylus of third pereiopod; (L) movable spine of uropodal diaeresis. (B) (W, cl 14.6 mm, CU 1997.111, Mae Hong Son, northern Thailand). Scales: (A, B, D, E) 5 mm; (C, F, G) 2 mm; (H) 0.5 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 7. Macrobrachium dolatum, sp. nov. (W, cl 22.5 mm, ZRC 2000.2644, Trang, south Thailand). (A) Cephalothorax; (B) scaphocerite; (C) epistome; (D) fourth thoracic sternite with a small median process; (E) first two abdominal sterna with transverse ridge, with median processes; (F) telson; (G) first pereiopod; (H) second pereiopod; (I) chela of second pereiopod; (J) third pereiopod; (K) propodus and dactylus of third pereiopod; (L) movable spine of uropodal diaeresis. Scales: (A–C, F–H) 5 mm; (D, E, J–L) 2 mm; (I) 2.5 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 8. Macrobrachium thai, sp. nov. (W, cl 11.5 mm, paratype, CU 1997–99a, Nong Khai, north-east Thailand, 14 December 1990). (A) Body; (B) paragnathus; (C) mandible; (D) maxillula; (E) maxilla; (F) first maxilliped; (G) second maxilliped; (H) third pereiopod. Scales: (A) 5 mm; (F–H) 2 mm; (B–E) 1 mm.
F in The freshwater prawns of the genus Macrobrachium Bate, 1868, of Thailand (Crustacea: Decapoda: Palaemonidae)
F. 3. Macrobrachium tratense sp. nov. (W, cl 16.8 mm, paratype, ZRC 2000.2734, Khlong Fuai (road 3271), 12°23∞44.8◊N, 102°39∞34.5◊E, Trat Province, coll. H. H. Tan et al., 15 January 1997). (A) Body; (B) paragnathus; (C) mandible; (D) maxillula; (E) maxilla; (F) first maxilliped; (G) second maxilliped; (H) third pereiopod. Scales: (A) 5 mm; (H) 2 mm; (B–G) 1 mm.
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