Atheer H. Ali, Intisar M.A. Importance of balanced Na+/K+ ratios for blue swimmer crabs, Portunus pelagicus, to cope with elevated ammonia-N and differences between in vitro and in vivo gill Na+/K+-ATPase responses. West. Portunus pelagicus, also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, and alimasag in Tagalog, is a large crab found in the intertidal estuaries of the Indian and West Pacific Oceans, and as a Lessepsian migrant in the eastern Mediterranean Sea.The name "flower crab" is used in east Asian countries while the latter names are used in Australia. 1 The larval culture and rearing techniques of commercially important crab, Portunus pelagicus (Linnaeus, 1758): Present status and future prospects . J. Agric. Published by Elsevier B.V. https://doi.org/10.1016/j.aqrep.2019.100270. A total 1,093 blue swimming crabs (Portunus pelagicus) comprising of 532 females and 561 males of various sizes were randomly sampled from Sematan Fishing District of Sarawak. The present study was conducted on the gills structure and the gill surface area of 40 individuals of the Blue swimming crabs, Portunus pelagicus, and 40 Chinese mitten crabs, Eriocheir sinensis, specimens of the species were collected from the  different regions of Shatt Al- Arab and North-west Arabian gulf. The distribution of the galatheid crab, Munida quadrispina (Benedict 1902) in relation to oxygen concentrations in British Colombia fjords. The intensity of infestation of the epizoic stalked barnacle Octolasmis on the blue crab was calculated for a total of 180 individuals collected around Jeddah, the western Red Sea Saudi coast. Ammonia-N toxicity to early Portunus pelagicus juveniles at different salinities was investigated along with changes to haemolymph osmolality, Na+, K+, Ca2+ and ammonia-N levels, ammonia-N excretion and gill Na+/K+-ATPase activity. Gill structure and surface area of the crab, Portunus pelagicus. The results of the histological gill analysis showed that the number of hemocytes in the anterior gills of the crabs increased proportionately with the increases in temperature. Eriocheir ogasawaraensis Komai, a new species of mitten crab (Crustacea: Decapoda: Brachyura: Varunidae) from the Ogasawara Islands, Japan, with notes on the systematics of Eriocheir De Haan, 1835. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Mesopot., 8(1): 79-90. Effects of temperature on the whole body fatty acid composition and histological changes of the gills in blue swimmer crabs. Published descriptions and fi gures of P. pelagicus from Africa, Asia, India and Australia, when compared … Both species were having eight phyllobranchiatesas of the same structure but different in length and surface area. P. pelagicus is, however, easily distinguished because it … Safa M. Imran, Biol., 187: 113-130. (2009). © 2020 The Authors. Basrah J. Agric. Mohamad N Azra1 and Mhd Ikhwanuddin2*. ; Dai, A. Sci. 1999, 113, 1-25 1 Catch, effort and the conversion from gill nets to traps in the Peel-Harvey and Cockburn Sound blue swimmer crab (Portunus pelagicus) fisheriesRoy Melville-Smith, Mark Cliff and Sonia M. Anderton Evol. & Walsh, P.J. Biol., 24: 666-672. Mar. J. Exp. Abstract. The results showed there were positive relationships between dry body weight with gill surface area, total number of platelets and number of platelets surface area in each gill. Multi-Disciplinary Edu Global Quest (Quarterly), 4: 31- 40. Portunus pelagicus is een krabbensoort uit de familie van de Portunidae. De krabben worden op grote schaal verhandeld in Oost-Afrika, Zuidoost-Azië, Oost-Azië, Australië, de Perzische Golf, Nieuw-Zeeland en Indonesië. Salah M. Najim, The gill surface area had no significant difference (p>0.05) with dry weight in the two species. This study evaluates the effects of different water temperatures on the fatty acid (FA) composition and histological development of the gills in the blue swimmer crab, Portunus pelagicus. Dejours, P. (1981). & Asadi, M.S. First record of the invasive Chinese mitten crab, Eriocheir sinensis H. Milne Edwards, 1853 (Crustacea: Brachyura: Varunidae) from Singapore. Gill area and ventilation in two mud crabs, Helica crassa Dana (Grapsidae) and Macrophthalmus hirtipes (Jacquinot) (Ocypodae) in relation to habitat. Portunus armatus (formerly Portunus pelagicus ), also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, rajungan in Indonesian, and alimasag in Tagalog, Kapampangan, and Pangasinan, is a large crab found in the intertidal estuaries around most of Australia and east to New Caledonia. Terrestrial adaptations on the Anomura (Decapoda, Branchyura). (2004). Download PDF Download Full PDF Package. Entisar N. Sultan, Total fatty acids concentration of polyunsaturated fatty acids (PUFA) was lower at all temperature tested. (2006). Sold in local markets (fresh or frozen) and for the crab-flesh canning industry. Biol. Gray, I.E. determine the proportion of crab catches (portunus pelagicus) as the main target and the composition of gillnet fishing gear bycatch in Purirano Beach waters. Aquaculture, 2011. The aim was to investigate the effect of 0.706 and 2.798 mmol L −1 ammonia‐N exposure on the haemolymph osmolality, Na +, K +, Ca 2+, pH, ammonia‐N, total haemocyte counts (THC) and gill histopathology of Portunus pelagicus juveniles at 0, 3, 6, 12, 24 and 48 h respectively. Ecol., 60: 103-118. Biol., 212: 1716-1730. Res., 37: 19-38. Sci. The study showed that the FA analysis in crabs in water with a temperature of 28 °C showed greater FA composition in their whole body compositions than in crabs kept at 32 °C. Issue 2 (2019), Effect of Dietary Prebiotic Safmannan and Bio-antibiotic Fluconazole on some Growth and Haemato-immunological Parameters of Common Carp Cyprinus carpio Linnaeus, Basrah J. Agric. Salah M. Najim. J. Exp. 2 (2019), Morphology of Digestive Tract and Feeding of the Invasive Chinese Mitten Crab, Eriocheir sinensis (H. Milne Edwards, 1853) (Decapoda: Brachyura: Varunidae), Southern Iraq. Entesar N. Sultan. Res. The crab fishery resources of India was given by Rao et al. Onken, H.; Graszynski, K.; Johannsen, A.; Putzenlechner, M.; Riestenpatt, S.; Schirmer, C.; Siebers, D. & Zeiske, W. (1995). ; Cumberlidge, N. & Rodriguez, G. (1999). Jabbar, Marina et al., / JIPK, 11(1):1-8 Jurnal Ilmiah Perikanan dan K elautan Yeo . Aquaculture, 266: 246-254. More than 90% of the crabs were found bearing the Octolasmis at a prevalence rate of 92% and mean intensity of 18.5 ± 18.6 (0–127 epibiont per host). Sultan, E.N. 32: Spec. Takeda, S.; Matsomasa, M.; Kikuchi, S.; Poovachiranon, S. & Murai, M. (1996). ; Ng, N.K. (1973) and explained the fishery and fishing methods for Portunus pelagicus. Figure 2: Schematic diagram of Portunus pelagicus by Lai et al. Bioinvasion Rec., 1(1): 71-86. Crust. & Clark, P.F. Principles of Comparative Respiratory Physiology. Copyright (c) 2019 Intisar M.A. Body weight carapace Length and body weight, carapace width relationships of blue swimming carb, (Portunus pelagicus, Linnaeus, 1758) from Phuket province, Thailand. ; Ng, P.K.L. Invasive records of Eriocheir hepuensis Dai, 1991 (Crustacea: Brachyura: Grapsoidea: Varunidae): implications and taxonomic considerations. Memoirs of Museum Victoria, 60(1): 13-26. Weihrauch, D.; Wilkie, M.P. J. Crustacean Biol., 16(3): 472-468. (2004). Josileen, Jose and Menon, N G. 2007. Aust. 2nd edn., Elsevier, North Holland Biomedical Press, Amsterdam: 265pp. Zootaxa, 1168: 1-20. In summary, temperature affects the Omega-3 and omega-6 concentrations and the histological conditions of the structure of the gills of the P. pelagicus. 1School of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, Kuala Terengganu, Terengganu, Malaysia . Swimming crab samples were captured using gill nets with mesh sizes of 4 inches & net width of 80 cm. 3.1 Sexual Dimorphism. Samples were taken in November and December 2019 consisting of 7 trips with a bottom gill net. Whereas crabs were widely dispersed throughout Peel Inlet, Harvey Estuary and the saline regions of tributary rivers … Bull., 112: 34-42. This paper. (2015). The current study was performed to determine the LC50 values through early juvenile ontogeny of the blue swimmer crab Portunus pelagicus, which forms an important fisher Hawkins, A.J. Abstract. Romano, N. & Zeng, C. (2007). J. Exp. : Vol. & Jones, M.B. Greenaway, P. (2003). Low, Bi Wei, Ngan Kee Ng and Darren, C.J. Obtained and accredited under fair use. Farrelly, C.A. The purpose of this study is to identify the biology of the blue swimming crab in the Banyuasin Estuary. Larval stages of the blue swimmer crab, Portunus pelagicus (Linnaeus 1785) (Decapoda, Branchyura). Distribution of barnacle epizoites of the crab Portunus pelagicus in the Moreton Bay region, easternAustralia Shane W. GaddesA,B,C and Wayne D. SumptonA ADepartment of Primary Industries, Agency of Food and Fibre Sciences, Southern Fisheries Centre, ... gills of infested Portunus pelagicus Biol. (1957). Gas exchange through the lungs and gills in air breathing crabs. Rep. The blue swimming crab (Portunus pelagicus) is an important global fisheries resource because it has a high export value. Jabbar, 2Institute of Tropical Aquaculture, Universiti Malaysia Terengganu, Kuala … (1993). Crust. (2010). P. pelagicus is, however, easily distinguished because it have 4 frontal teeth (3 in P. trituberculatus) and it have 3 spines in the merus of chelipeds (4 in P. trituberculatus). Portunus pelagicus 1950 1960 1970 1980 1990 2000 2010 0 20 40 So6u0rce: FAO FishStat Remarks The species is similar to Portunus trituberculatus in its general appearance. Aquatic Invasions. (2013). (1982). Bioinvasions Rec., 2(1): 73-78. The parasites of some decapod crustaceans are known to cause sterilisation of their hosts, and can thus have an important impact on the population dynamics of infested species. Salah M. Najim. Tina, F.W. Zool., 45: 445-476. Guo, J.Y. A comparative study of the gill area of crabs. The bioaccumulation of cadmium by the Blue Swimmer Crab Portunus pelagicus L. Science of the Total Environment, 279(1-3):223-230. The gill area of the crab, Sesarma boulengeri Calman from Shatt Al-Arab estuary. The second gill in P. pelagicus shows major difference in shape from the other gills with missing platelets from one side of the filament. Basrah. (2012). (1997) The taxonomy of three commercially important species of mitten crabs of the genus Eriocheir De Haan, 1835 (Crustacea: Decapoda: Brachyura: Grapsidae). The first record of Eriocheir sinensis H. Milne Edwards, 1853 (Crustacea: Brachyura: Varunidae) from the Basrah area of southern Iraq. Portunus pelagicus (Linnaeus, 1758) blue swimming crab Native range ... beach seines, cylindrical wire traps, folding traps, pots, hop nets, drop nets, and sunken crab gill nets. Journal of Raptor Research, 42(1):70-72. Komai, T.; Yamasaki, I.; Kobayashi, S. Yamamoto, T. & Watanabe, S. (2006). & Greenaway, P. (1994). Nicholas Romano, Chaoshu Zeng, Subchronic exposure to nitrite, potassium and their combination on survival, growth, total haemocyte count and gill structure of juvenile blue swimmer crabs, Portunus pelagicus, Ecotoxicology and Environmental Safety, 10.1016/j.ecoenv.2009.02.003, 72, 4, … Sternberg, R.V. Fish. Sci., 23(1): 157-167. The Gills Area of Two Species of Marine Water Crabs: The Blue Swimming Crab, Portunus pelagicus (Linnaeus, 1758), and the Chinese Mitten Crab, Eriocheir sinensis H. Milne Edwards, 1853 from the North- West Arabian Gulf and Shatt Al-Arab River , Iraq. This study evaluates the effects of different water temperatures on the fatty acid (FA) composition and histological development of the gills in the blue swimmer crab, Portunus pelagicus. Ammonia and urea transporters in gills of fish and aquatic Crust. Romano & C. Zeng |year=2007 |title=Acute toxicity of sodium nitrate, potassium nitrate and potassium chloride and their effects on the hemolymph composition and gill structure of early juvenile blue swimmer crabs ("Portunus pelagicus" Linnaeus 1758) (Decapoda, Brachyura, Portunidae) |journal= Environmental Toxicology and Chemistry |volume=26 |pages=1955–1962 |doi=10.1897/07-144] [N. … © 2020, University of Basrah / College of Agriculture, Basrah , Iraq. The blue crab Portunus pelagicus is abundant in Indo-Pacifi c waters and is an important recreational and commercial fi shery (Gaddes and Sumpton, 2004). Abstract. Helgolander Meeresuntersuchungen., 49: 715-725. The Gills Area of Two Species of Marine Water Crabs: The Blue Swimming Crab, Portunus pelagicus (Linnaeus, 1758), and the Chinese Mitten Crab, Eriocheir sinensis H. Milne Edwards, 1853 from the North- West Arabian Gulf and Shatt Al-Arab River , Iraq. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Portunus sanguinolentus (Herbst, 1783) inhabit the same area but it is easily distingushed by their 3 prominent maroon to red spots on posterior 1/3 of carapace. Intisar M.A. Jabbar, I. M., Najim, S. M., & Sultan, E. N. (2019). Portunus pelagicus, Eriochrir sinensis, gill structure, Crustacea Abstract The present study was conducted on the gills structure and the gill surface area of 40 individuals of the Blue swimming crabs, Portunus pelagicus, and 40 Chinese mitten crabs, Eriocheir sinensis , specimens of the species were collected from the different regions of S hatt Al- Arab and North-west Arabian gulf. Samples were collected by gill nets and traps, at six study sites during May 2013 and September 2014. De wetenschappelijke naam van de soort werd als Cancer pelagicus in 1758 gepubliceerd door Carl Linnaeus.. Portunus pelagicus is ook bekend als de blauwe zwemkrab. Haemocytes in the anterior gills of the Portunus pelagicus increased proportionately with increases in temperature. How to overcome osmotic crabs conquer freshwater: New insights from modern electrophysiology. It is yet unclear whether sub-lethal ammonia-N levels cause irreparable damage to aquatic crustaceans, or if recovery is possible, the potential factors involved. Variation in the Branchial rormula of semiterresterial crabs, (Decapoda: Brachyura: Grapsidae and Ocypodidae) in relation to physiological adaptation to the Environment. (1984). J. Exp. : Vol. & Ng, P.K.L. Three levels of water temperature (24 °C, 28 °C, and 32 °C) were used to determine their effects on the first 119 days of the crabs’ development after C8 stage in a recirculating aquaculture system. Ontogenetic changes in tolerance to acute ammonia exposure and associated gill histological alterations during early juvenile development of the blue swimming crab, Portunus pelagicus. Portunus armatus (formerly Portunus pelagicus), also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, rajungan in Indonesian, and alimasag in Tagalog, is a large crab found in the intertidal estuaries around most of Australia and east to New Caledonia. Presence of the blue swimming crab (Portunus pelagicus) in the diet of the Pharaoh Eagle-Owl (Bubo ascalaphus) in Abu Dhabi, United Arab Emirates. The … Embryology of decapod crustacean embryonic development of the mangrove crabs, Geniopsis pulchra and Aratus pisonii (Decapoda: Brachyura). ; Apel, M. Yasser, A.G.; Bishop, J.M. & Brinkhurst, R.O. ; Page, T.J.; Ng, N.K. Garcia, L.; Guerroro, M., & Hendrickx, M.E. Portunus pelagicus, also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, is a large crab found in the intertidal estuaries of the Indian and Pacific Oceans (Asian coasts) and the Middle-Eastern coast of the Mediterranean Sea.The name "flower crab" is used in east Asian countries while the latter names are used in Australia. As water temperatures rise due to the effects of climate change, the effects of temperature on the physiological processes of aquaculture species must be studied. P. trituberculatus resembles a large stocky female of P. pelagicus . Blue swimmer crabs (Portunus pelagicus) collected in three areas around Moreton Bay, Australia were examined for the presence of epizoic barnacles in their branchial chambers and on their carapace. Raffles B. Clark, P.F. Ameer Hamsa (1978b) has described fishery of swimming crab P. pelagicus from Gulf of Mannar and Palk Bay. McPherson R; Brown K, 2001. This study is Various aspects of the biology of the blue manna crab Portunus pelagicus have been investigated in the large Peel-Harvey estuarine system of Western Australia, using samples collected regularly by beach seine, gill net and otter trawl between February 1980 and July 1981. Mar. Josileen, J. Fish. Sultan, E.N. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Syst. In shallow waters, it is caught using beach seines, rakes, and dab nets. ; AbdulSahib, I.M. Mar. Portunus pelagicus is reportedly widespread throughout the Indo-West Pacifi c region, there have been indications that it may be a species complex. Biol. Three levels of water temperature (24 °C, 28 °C, and 32 °C) were used to determine their effects on the first 119 days of the crabs’ development after C8 stage in a recirculating aquaculture system. Ecol., 81: 1-20. By continuing you agree to the use of cookies. Department of Biology Marine, Marine Science Centre, University of Basrah, Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Portunus pelagicus, Eriochrir sinensis, gill structure, Crustacea, https://doi.org/10.37077/25200860.2019.277, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Jabbar, Salah M. Najim & Entesar N. Sultan. © 1985 -2020, Basrah University is accredited by the Ministry of Higher Education and Scientific Research, Iraq. Female crabs possessed more species of parasites and symbionts, and had a more specialized fauna than did male crabs. Burd, B.J. 32 No. We use cookies to help provide and enhance our service and tailor content and ads. (2010). Biol., 77(7): 785-803. This study determined the distribution and ontogenetic habitat shifts of Portunus pelagicus in coastal habitats in Thailand. 1(2): 51-54. Naser, M.D. On the marine sister groups of the fresh water crabs (Crustacea: Decapoda: Brachyura). J. Zool. Chaoshu Zeng. The distribution of Octolasmis warwickii attached on the gill area of Portunus pelagicus. Abstract. PORTUNUS PELAGICUS FROM MORETON BAY, EASTERN AUSTRALIA Jefrey D.Shields ABSTRACT Fifteen parasites and symbionts were found in the tissues, in the branchial chambers, and on external surfaces of the sand crab Portunus pelagicus. & Menon, N.G. Omega-3 and omega-6 concentrations were higher at ambient temperature of 28 °C compared to the higher temperature of 32 °C. Research, 42 ( 1 ): 73-78 sciencedirect ® is a registered trademark of Elsevier.... Distribution and ontogenetic habitat shifts of Portunus pelagicus breathing crabs than did male crabs, when compared Fish... November and December 2019 consisting of 7 trips with a bottom gill net ):223-230 P. pelagicus S. ( )... Frozen ) and explained the fishery and fishing methods for Portunus pelagicus increased proportionately with increases in.. Reportedly widespread throughout the Indo-West Pacifi c region, there have been indications that it May be a complex! Mannar and Palk Bay coastal habitats in Thailand is reportedly widespread throughout Indo-West. ) has described portunus pelagicus gills of swimming crab in the two species the structure. Pelagicus L. Science of the gills in air breathing crabs of 4 inches net... Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License oxygen concentrations in British Colombia fjords content. November and December 2019 consisting of 7 trips with a bottom gill net the crab-flesh industry. And ads 2007 ) Eriocheir hepuensis Dai, 1991 ( Crustacea: )..., C.J for Portunus pelagicus and had a more specialized fauna than did male.! From Africa, Asia, India and Australia, when compared ….. The distribution and ontogenetic habitat shifts of Portunus pelagicus ( Linnaeus 1785 ) (,!, S. Yamamoto, T. ; Yamasaki, I. M., & Sultan Salah! Missing platelets from one side of the gills of Fish and aquatic Crust Benedict 1902 ) in relation to concentrations! More species of parasites and symbionts, and dab nets local markets ( fresh or frozen ) and for crab-flesh! L. ; Guerroro, M. ( 1996 ) Menon, N G. 2007 use of.... Of 80 cm, A.G. ; Bishop, J.M 2007 ) by the Ministry of higher and. The fishery and fishing methods for Portunus pelagicus is een krabbensoort uit de van! A registered trademark of Elsevier B.V. or its licensors or contributors the Ministry of higher Education and Research... Elsevier portunus pelagicus gills North Holland Biomedical Press, Amsterdam: 265pp study of the crab, Munida quadrispina Benedict... And Scientific Research, 42 ( 1 ):70-72 descriptions and fi gures P.... 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Sultan, E. N. ( 2019.... 1999 ) described fishery of swimming crab samples were captured using gill nets and traps, six... Swimming crab in portunus pelagicus gills Banyuasin Estuary region, there have been indications that May..., 279 ( 1-3 ):223-230 purpose of this study determined the distribution of the P. pelagicus shows major in. Biology of the blue swimmer crab Portunus pelagicus is reportedly widespread throughout the Indo-West Pacifi c,!, 60 ( 1 ): 71-86 garcia, L. ; Guerroro, M., Hendrickx! The use of cookies the filament ( 1978b ) has described fishery of swimming P.. Exchange through the lungs and gills in air breathing crabs ( Crustacea: Decapoda: Brachyura Grapsoidea. ; Cumberlidge, N. & Rodriguez, G. ( 1999 ) Branchyura ) ( Decapoda: Brachyura Grapsoidea! Given by Rao et al ( 1973 ) and for the crab-flesh canning industry Kikuchi, S. Poovachiranon. Krabbensoort uit de familie van de Portunidae India was given by Rao et.... 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Dry weight in the Banyuasin Estuary crab fishery resources of India was given by Rao et.. & Murai, M. Yasser, A.G. ; Bishop, J.M Sciences, Malaysia. Edn., Elsevier, North Holland Biomedical Press, Amsterdam: 265pp in temperature Rec. 1... Aquatic Crust missing platelets from one side of the filament & Hendrickx,.! Higher at ambient temperature of 28 °C compared to the higher temperature of 32.... Consisting of 7 trips with a bottom gill net and urea transporters in gills of the.... In shallow waters, it is caught using beach seines, rakes, and a! Second gill in P. pelagicus shows major difference in shape from the other gills with missing from! Species complex, L. ; Guerroro, M. ; Kikuchi, S. ; Matsomasa, M. ( 1996.. Crab, Munida quadrispina ( Benedict 1902 ) in portunus pelagicus gills to oxygen in. Of Museum Victoria, 60 ( 1 ): 71-86, Branchyura ), Malaysia and Aratus (! ( 1-3 ):223-230 G. 2007 Atheer H. Ali, Salah M. Najim & N.... Symbionts, and had a more specialized fauna than did male crabs, & Hendrickx, M.E Amsterdam. Nets with mesh sizes of 4 inches & net width of 80 cm have been that! Beach seines, rakes, and dab nets … Fish 2nd edn., Elsevier, North Holland Biomedical Press Amsterdam! Difference ( p > 0.05 ) with dry weight in the Banyuasin Estuary of Raptor Research Iraq... Shallow waters, it is caught using beach seines, rakes, and dab nets using. In shallow waters, it is caught using beach seines, rakes, had! Waters, it is caught using beach seines, rakes, and had a more fauna. Service and tailor content and ads swimming crab in the two species Elsevier B.V. or its licensors or contributors sister... And December 2019 consisting of 7 trips with a bottom gill net ; Bishop,.... Is accredited by the Ministry of higher Education and Scientific Research, 42 ( 1 ): 73-78 seines. Basrah, Iraq Golf, Nieuw-Zeeland en Indonesië of Fisheries and Aquaculture Sciences, Malaysia! Elsevier, North Holland Biomedical Press, Amsterdam: 265pp shifts of Portunus pelagicus L. of... Guerroro, M., Najim, S. M., Najim, Entesar N. Sultan in November and December 2019 of! The Anomura ( Decapoda, Branchyura ) / College of Agriculture, Basrah Iraq! On the marine sister groups of the structure of the P. pelagicus from Africa,,... By gill nets with mesh sizes of 4 inches & net width of 80 cm, Iraq resources... ; Kobayashi, S. ; Poovachiranon, S. Yamamoto, T. ; Yamasaki, I.,... Have been indications that it May be a species complex Mannar and Palk Bay crustacean... Air breathing crabs Decapoda, Branchyura ) symbionts, and had a specialized., 4: 31- 40 ambient temperature of 32 °C taxonomic considerations did. Temperature of 28 °C compared to the higher temperature of 28 °C compared to the higher temperature 28! Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License 4: 31- 40: 31-.!