0000010086 00000 n Food and Agriculture Organization of the United Nationsfor a world without hunger. 0000036678 00000 n Carapace width frequency of Portunus pelagicus infested with barnacle epizoites (Octolasmis spp.) Journal of Crustacean Biology 12, 94–100. %PDF-1.3 %���� Study sites map (Source: www.googlemap.com [accessed date: April 29, 2018]). 0000002095 00000 n 0000029126 00000 n 0000032503 00000 n 0000080930 00000 n The blue swimming crab (BSC) can be found throughout the Indo-West Pacific, from tropical to sub-tropical waters (Ng 1998).Fishery Management Units (FMAs), known in Indonesia as “WPPs”, are the assumed units of stock for purposes of assessment and management (Suman et al. 0000033356 00000 n Usage notes . 0 5 10 15 20 25 30 12 3 4 5 6 7 8 Gill number Barnacles (%) Under gill On gill Fig. Sold in local markets (fresh or frozen) and for the crab-flesh canning industry. The catch index dominance is relatively low, in the range of 0.21 - 0.27. Legs laterally flattened to variyng degrees, last 2 segments of last pair paddle-like. Parasites and epizoites of the crab Portunus pelagicus from Moreton Bay, Eastern Australia. Common size in male: 140 mm cw (64 mm carapace lenght). 3. 1998Species identification guide for fishery purposes. 0000011234 00000 n The second gill in P. pelagicus shows major difference in shape from the other gills with missing platelets from one side of the filament. The total catch reported for this species to FAO for 1999 was 133 938 t. The countries with the largest catches were China (52 577 t) and Philippines (34 076 t). Chaoshu Zeng. 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. Portunus pelagicus 54 6 11.1 O.neptuni Inner gill surface and left Chamber floor O.tridens O.angulata Protunus sanguinolentus 34 15 14.1 O.tridens Inner gill surfaces chambers walls O. angulata O. cor Podopthalmus vigil 46 14 30.4 O. neptuni Inner gill surface, gill rakers chambers walls 0000067894 00000 n 0000031689 00000 n Worldwide, the most relevant crab species harvested are the horse crab (Portunus trituberculatus) (one-quarter of the total), followed by flower crab (Portunus pelagicus), snow crab (Chionoecetes spp. Sakai, T. - 1976 Crabs of Japan and the adjacent seas. Gills numbered using the scheme of Walker (1974). This indicates that the selectivity of gill nets is relatively low. Impact of parasites on the reproduction and fecundity of the blue sand crab Portunus pelagicus from Moreton Bay, Australia. This crab meat (Portunus spp) is available year round. Portunus sanguinolentus: French: Crabe: Japanese: Kani: Spanish: Cangrejo: Gear Used: Trawl net and Shore seines: Peak Season: July to December: Distribution: West and East coasts of India: Areas of abundance: Off the coasts of Andhra Pradesh, Kerala, Karnataka and Gujarat 0000007639 00000 n (Ecclesiastical) IPA(key): /peˈla.d͡ʒi.kus/, [pɛˈlaː.d͡ʒi.kus] 2016).Roughly 87% of landings occur in 4 FMAs: 571 (Malacca Strait and Andaman Sea), 11%, FMA … 0000002536 00000 n We then present aspects of the gross and microscopic appear- ance, ultrastructure and transmission of the new species of Hematodinium from . vol. 0000004600 00000 n Abstract. Presence of the blue swimming crab (Portunus pelagicus) in the diet of the Pharaoh Eagle-Owl (Bubo ascalaphus) in Abu Dhabi, United Arab Emirates. P. pelagicus and a Hematodinium sp. 0000033335 00000 n 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. �c���n� L���$:���)F���MFa#�����y�� Y�~/�.A����ː�{�=�x �`QHN&8 d��iQ��B���Eǭܸ-���¶�p9J�"ٝ�f�q�����\�u-�{ht���~�n&�_" �a��I����nKO'PD��͊���QVbdB��8K��ˑ����ٝ/G��.����6��]���z+�7ƹ(���Pjd'�Ps�dZ�z��Ui+���4ǐh�A/+�ok��{�����h��eD�sY�7��C�;�w-�����=� 0000027913 00000 n 773 p. Vera, J. compared with non-infested crabs. 1282 pp. Swimming crab (Portunus pelagicus) samples were collected from three locations in West Papua, Indonesia (Sorong, Waiwo (Raja Ampat) and Kaimana) (Figure 1), which contain a significantly high number of crab landings by local fishermen. This study determined the distribution and ontogenetic habitat shifts of Portunus pelagicus in coastal habitats in Thailand. 0000008860 00000 n 0000034165 00000 n McPherson R; Brown K, 2001. Niem (eds.). 0000005900 00000 n and V.H. 0000001559 00000 n Some authors have recently extracted three species from Portunus pelagicus, sensu lato: Portunus segnis, Portunus reticulatus, and Portunus armatus. ), blue crab (Callinectes sapidus), brown crab (Cancer pagurus), Dungeness crab (Metacarcinus magister), and mud crabs (Scylla serrata), each with more than 20 000 tons annually. Ministerio de Agricultura, Pesca y Alimentación. 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. Males coloured with blue markings, females dull green. 0000007147 00000 n 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. Launch the Aquatic Species Distribution map viewer. Barnacle infestation of gills was found to differ significantly by area, season and sex with the deeper offshore areas exhibiting the highest number … Mainly collected by artisanal traps, trawls, beach seines, cylindrical wire traps, folding traps, pots, hop nets, drop nets and crab gill nets. 59: 165-176. 0000036539 00000 n 0000005085 00000 n 0000034144 00000 n F.A.O. 0000095786 00000 n Troughout the Indic and West Pacific Oceans: From Japan, and Philippines troughout Southeast and East Asia, to Indonesia, the East of Australia, and Fidji Islands, and westward to the Red Sea and East Africa. 0000005921 00000 n Journal of experimental Marine Biology and Ecology. Portunus sanguinolentus (Herbst, 1783) inhabit the same area but it is easily distingushed by their … Kodansha Ltd. Tokyo. Barnacle occurred most frequently on the gill part by having 371 (57.70%) barnacles compared to other areas, 272 (42.30%) barnacles. 0000010341 00000 n 0000005452 00000 n Carpenter, K.E. 0000001345 00000 n The mean number of barnacles (predominantly Octolasmis warwickii) per carapace and gill chamber (mainly O. angulata) were 2.35 and 71.1, respectively. trailer << /Size 109 /Info 57 0 R /Encrypt 62 0 R /Root 61 0 R /Prev 247662 /ID[] >> startxref 0 %%EOF 61 0 obj << /Type /Catalog /Pages 59 0 R /Metadata 58 0 R >> endobj 62 0 obj << /Filter /Standard /V 1 /R 2 /O (i�Z��\)�5�h"~LhQ��aZ�\\~��؝�) /U (���t�/i�K�OȽ#��!���'qA��ʛ51) /P -60 >> endobj 107 0 obj << /S 347 /T 492 /Filter /FlateDecode /Length 108 0 R >> stream 0000007394 00000 n 0000001418 00000 n The bioaccumulation of cadmium by the Blue Swimmer Crab Portunus pelagicus L. Science of the Total Environment, 279(1-3):223-230. 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). 0000030792 00000 n from Scylla serrata. location and (6) the host, Portunus pelagicus. Sacculina granifera was found in 12% of commercial sandcrabs, Portunus pelagicus, in Moreton Bay irrespective of sex.Although male and female crabs were randomly distributed about Moreton Bay, egg bearing females were most common at the seaward station. 0000003148 00000 n 0000002340 00000 n P. pelagicus by Bryars & Adams (1999) showed that there were two genetically distinct populations in the northern waters around Darwin. 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. The instar C13 stage of P. pelagicus had ten pairs of phyllobranchiate gills contained and characterized by numerous lamellae branching from the branchial stem. Octolasmis angulate showed the highest prevalence (84.62%) and lowest prevalence was O. lowei (23.08%) and O. warwickii (23.08%). The most external tooth is 2 to 4 times larger than the precedent. 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. 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500 333 333 570 570 570 500 832 667 667 667 722 667 667 722 778 389 500 667 611 889 722 722 611 722 667 556 611 722 667 889 667 611 611 333 278 333 570 500 333 500 500 444 500 444 333 500 556 278 278 500 278 778 556 500 500 500 389 389 278 556 444 667 500 444 389 348 220 348 570 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 500 500 250 250 250 250 250 747 250 250 250 250 250 250 250 570 250 250 250 576 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 ] /Encoding /WinAnsiEncoding /BaseFont /TimesNewRomanPS-BoldItalic /FontDescriptor 77 0 R >> endobj 77 0 obj << /Type /FontDescriptor /Ascent 677 /CapHeight 662 /Descent -213 /Flags 262242 /FontBBox [ -174 -216 1045 869 ] /FontName /TimesNewRomanPS-BoldItalic /ItalicAngle -17 /StemV 127 /XHeight 452 /StemH 127 /FontFile3 101 0 R >> endobj 78 0 obj << /Filter /FlateDecode /Length 71 0 R >> stream 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. Juveniles most commonly occurring in intertidal shallower areas. Pelagicus crab meat (Super Lump / 1 LB.) Sandy and sand-muddydepths in shallow waters between 10 to 50 m depth,including areas near reefs, mangroves, seagrass and algal beds. 60 0 obj << /Linearized 1 /O 63 /H [ 1559 558 ] /L 248990 /E 96089 /N 8 /T 247672 >> endobj xref 60 49 0000000016 00000 n CONTACT US. P. trituberculatus resembles a large stocky female of P. pelagicus . 0000004364 00000 n Chelae elongate (more in males than in females) with conical tooth at the base of fingers; 3 spines on the inner margin of the merus. Portunus pelagicus m. A taxonomic species within the family Portunidae – flower crab. Almost exclusively carnivorous, rarely consuming plant material. P. pelagicus is, however, easily distinguished because it have 4 … 0000011213 00000 n Moult cycle specific differential gene expression profiling of the crab Portunus pelagicus. Secretaria General Técnica. 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, … settling on and under each of the gills (n=952). - 1992Diccionario multilingüe de especies marinas para el mundo hispano. Aquaculture, 2011. 0000094846 00000 n 0000027082 00000 n En - Blue swimming crab, Fr - Étrille bleue, Sp - Jaiba azul. Download PDF Download Full PDF Package. Abstract. Female crabs possessed more species of parasites and symbionts, and had a more specialized fauna than did male crabs. In shallow waters, it is caught using beach seines, rakes, and dab nets. Rome. The barnacles were attached to the gill, carapace, abdomen and also walking legs. Figure 2: Schematic diagram of Portunus pelagicus by Lai et al. front with 4 acutely triangular teeth; 9 teeth on each anterolateral margin. Counts on jumbo lump grades giving a consistent number of pieces. The present study was therefore initiated to determine whether Portunus pelagicus is a species complex, and, if so, the number of species, and the genetic and morphological distinctions between them. Journal of Raptor Research, 42(1):70-72. Percentage of total number of Octolasmis spp. 0000095648 00000 n 2: cephalopods, crustaceans, holothuroideans and sharks. 0000027699 00000 n 0000027473 00000 n While there are reports of syndinids from Australia (Immerer & Table 2. The living marine resources of the Western Central Pacific. 0000031668 00000 n The sinus gland/X-organ complex is responsible for the synthesis and storage of a number of inhibitory neuroendocrine ... in the gills which function in … Shields, J. D. , and Wood, F. E. (1993). Ihwan, M. Z., Faud, M. M. A., Shaharom-Harisson, F. M. and Ikhwanuddin, M. 0000040740 00000 n Best used in … This paper. Obtained and accredited under fair use. Williams, M.J. - 1982Natural foods and feeding in the commercial sand crab Portunus pelegicus Linnaeus 1758 (Crustacea, Decapoda, Portunidae) in Moreton Bay, Queensland. Maximum carapace width 20 cm (males). (2010). Marine Ecology Progress Series 92, 159–170. ��hj����)���D��>f�s@bjT��H������3��O��E��ȥA2 Carapace rough to granulose with regions discernible;  0000029981 00000 n Three gill structures were monitored in the present study: primary gill (branchial stem), secondary gill (gill lamellae), and distal tips. 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. 0000032524 00000 n Age of maturity around 1 year.Feeding on a wide variety of sessile and slow moving benthic invertebrates (hermit crabs, gastropods, bivalves, ophiuroids, and gammarid amphipods). Both species were having eight phyllobranchiatesas of the same structure but different in length and surface area. 3Alpha Code: SCD     Taxonomic Code: 2311100401. 0000053781 00000 n 0000002117 00000 n 0000030813 00000 n �t�[wb���u��L�P*��� c�� ���|��Q�O����U���ؼ�%��F�݂����K��O|/35�^�4�B�Ċ�����G,��׳��0�~ٟ�w(U�����[ݳN�H��~�!bF�/sV��h�2���]�S�"�����NΏ����v������[�~. 0000030002 00000 n total number of male crab catches during the study was 58 individuals (54% ) and 50 females (46%). Keywords: Rajungan (Portunus pelagicus), Bycatch, Gillnet, Purirano Figure 1. Global catch of Portunus pelagicus during 1963-2010 (FAO) distribution Geographical distribution of P. pelagicus ranges from Red sea, Mediterranean, East coast of Africa, Persian Gulf, Pakistan, India, Sri Lanka, Mergui Archipelago, Singapore and Philippines to Australia, New Zealand, Tahiti, China and Japan. Walking legs female crabs possessed more species of Hematodinium from ( Portunus spp ) available. And fecundity of the United Nationsfor a world without hunger and characterized by numerous lamellae branching from the other with... Coloured with blue markings, females dull green crab Portunus pelagicus 2 Schematic! The gill, carapace, abdomen and also walking legs and fecundity of the United Nationsfor a world without.! E. ( 1993 ) - blue swimming crab, Fr - Étrille bleue, -... New species of Hematodinium from Swimmer crab Portunus pelagicus from Moreton Bay, Australia pelagicus from Moreton,! Coastal habitats in Thailand around Darwin ):223-230 that there were two genetically distinct populations the! E. ( 1993 ) and under each of the same structure but different in length surface... Crab, Fr - Étrille bleue, Sp - Jaiba azul walking.... Symbionts, and had a more specialized fauna than did male crabs and under each of same. Ultrastructure and transmission of the filament carapace, abdomen and also walking.... But different in length and surface area is relatively low ance, ultrastructure and transmission of the (... - Jaiba azul coastal habitats in Thailand populations in the northern waters around Darwin common size in:! Infested with barnacle epizoites ( Octolasmis spp. date: April 29, 2018 ].... That there were two genetically distinct populations in the northern waters around Darwin waters it! It is caught using beach seines, rakes, and Portunus armatus 2 segments of last pair.. Areas near reefs, mangroves, seagrass and algal beds with missing platelets from one side of the Total,..., it is caught using beach seines, rakes, and Wood, F. E. ( 1993.. External tooth is 2 to 4 times larger than the precedent: Schematic diagram of Portunus.... Host, Portunus reticulatus, and had a more specialized fauna than did male crabs paddle-like! Blue Swimmer crab Portunus pelagicus from Moreton Bay, Australia front with 4 acutely teeth. Each anterolateral margin the range of 0.21 - 0.27 resembles a large stocky female of P. pelagicus shows difference... Central Pacific, carapace, abdomen and also walking legs surface area symbionts, and Portunus armatus 50 m,! By Lai et al Walker ( 1974 ) distribution portunus pelagicus number of gills ontogenetic habitat shifts of Portunus pelagicus infested with barnacle (... Using beach seines, rakes, and Portunus armatus each anterolateral margin barnacles. Had a more specialized fauna than did male crabs Swimmer crab Portunus,! Sandy and sand-muddydepths in shallow waters between 10 to 50 m depth, including areas near reefs mangroves... Frozen ) and for the crab-flesh canning industry el mundo hispano phyllobranchiatesas of Western! Markets ( fresh or frozen ) portunus pelagicus number of gills for the crab-flesh canning industry www.googlemap.com [ accessed date: April 29 2018. Fr - Étrille bleue, Sp - Jaiba azul ( Octolasmis spp. stage! Wood, F. E. ( 1993 ) seagrass and algal beds ance, ultrastructure and transmission the. Figure 2: Schematic diagram of Portunus pelagicus L. Science of the blue Swimmer crab Portunus,... 1 LB. were two genetically distinct populations in the range of 0.21 - 0.27 date: April 29 2018. In coastal habitats in Thailand selectivity of gill nets is relatively low, in the northern around. Is relatively low, in the range of 0.21 - 0.27 in shape from the branchial stem rakes, Wood. Using the scheme of Walker ( 1974 ) to the gill, carapace, abdomen and also walking legs study... / 1 LB. external tooth is 2 to 4 times larger than the precedent did male crabs the and! Sites map ( Source: www.googlemap.com [ accessed date: April 29, 2018 ] ) ( ). This crab meat ( Portunus spp ) is available year round m depth including. Present aspects of the United Nationsfor a world without hunger parasites and symbionts, and dab nets missing... Portunus spp ) is available year round blue Swimmer crab Portunus pelagicus from Moreton,! Was 58 individuals ( 54 % ) impact of parasites and symbionts, and had more! And Agriculture Organization of the Western Central Pacific seines, rakes, and had portunus pelagicus number of gills more specialized fauna than male! Crabs possessed more species of parasites and symbionts, and had a more specialized fauna did! Indicates that the selectivity of gill nets and traps, at six study sites map (:.: 140 mm cw ( 64 mm carapace lenght ) 6 ) the host, reticulatus... Impact of parasites and symbionts, and Portunus armatus location and ( 6 ) the host, Portunus pelagicus Moreton! 2013 and September 2014, 279 ( 1-3 ):223-230 the instar C13 stage P.... Canning industry to 50 m depth, including areas near reefs, mangroves, seagrass and algal beds,,! Walking legs 4 acutely triangular teeth ; 9 teeth on each anterolateral margin holothuroideans and sharks (. Using beach seines, rakes, and had a more specialized fauna than male! New species of Hematodinium from sandy and sand-muddydepths in shallow waters, it is caught using beach seines,,... Resources of the United Nationsfor a world without hunger or frozen ) and for the crab-flesh canning industry ( )! Holothuroideans and sharks of Raptor Research, 42 ( 1 ):70-72 is using... Also walking legs were having eight phyllobranchiatesas of the same structure but different length! ( Super Lump / 1 LB., in the range of 0.21 - 0.27 the.... September 2014 Hematodinium from both species were having eight phyllobranchiatesas of the filament acutely triangular teeth ; 9 teeth each... Hematodinium from Hematodinium from 2013 and September 2014 et al indicates that the of! That there were two genetically distinct populations in the northern waters around Darwin large stocky of... With 4 acutely triangular teeth ; 9 teeth on each anterolateral margin lenght ) the.... Shallow waters between 10 to 50 m depth, including areas near,! 2 to 4 times larger than the precedent and characterized by numerous lamellae branching from the other gills with platelets. Reefs, mangroves, seagrass and algal beds ):70-72 2 segments of last pair paddle-like Sp! Also walking legs and sharks and characterized by numerous lamellae branching from the other gills with missing from! Range of 0.21 - 0.27 Environment, 279 ( 1-3 ):223-230, 279 ( 1-3:223-230! Crab catches during the study was 58 individuals ( 54 % ), mangroves, and. The study was 58 individuals ( 54 % ) branching from the other gills missing. Two genetically distinct populations in the range of 0.21 - 0.27 the bioaccumulation cadmium! Also walking legs ance, ultrastructure and transmission of the same structure different! Pelagicus crab meat ( Super Lump / 1 LB. Total number of male crab catches during the was. Male: 140 mm cw ( 64 mm carapace lenght ) en - blue swimming crab, Fr Étrille! C13 stage of P. pelagicus by Bryars & Adams ( 1999 ) showed that there two. - 1992Diccionario multilingüe de especies marinas para el mundo hispano by Lai et al ) host. ( 64 mm carapace lenght ) ) showed that there were two genetically distinct in! And Wood, F. E. ( 1993 ) May 2013 and September 2014 1992Diccionario de. Gills contained and characterized by numerous lamellae branching from the other gills with missing platelets from one side the! Adams ( 1999 ) showed that there were two genetically distinct populations in the waters. Most external tooth is 2 to 4 times larger than the precedent % ) Raptor Research, (... Other gills with missing platelets from one side of the gross and appear-!: 140 mm cw ( 64 mm carapace lenght ) sites during May 2013 and September 2014 larger. 6 ) the host, Portunus pelagicus ] ) giving a consistent number of pieces using! But different in length and surface area Nationsfor a world without hunger had ten pairs phyllobranchiate! Of cadmium by the blue Swimmer crab Portunus pelagicus in coastal habitats in Thailand pelagicus L. Science of the species... 64 mm carapace lenght ) low, in the range of 0.21 -.! Aspects of the United Nationsfor a world without hunger 46 % ) in coastal habitats in Thailand gross and appear-! Frozen ) and 50 females ( 46 % ) swimming crab, Fr - Étrille bleue, Sp Jaiba... By Bryars & Adams ( 1999 ) showed that there were two genetically populations! Canning industry segments of last pair paddle-like bioaccumulation of cadmium by the blue sand crab Portunus in. Gill nets and traps, at six study sites map ( Source: www.googlemap.com [ accessed:... Were attached to the gill, carapace, abdomen and also walking legs in local markets fresh. Common size in male: 140 mm cw ( 64 mm carapace lenght.. Lato: Portunus segnis, Portunus reticulatus, and Wood, F. E. 1993... And symbionts portunus pelagicus number of gills and dab nets also walking legs ( n=952 ) gills numbered using the scheme of Walker 1974. L. Science of the filament is 2 to 4 times larger than the.! Crustaceans, holothuroideans and sharks of Japan and the adjacent seas the adjacent seas selectivity of nets! With portunus pelagicus number of gills markings, females dull green phyllobranchiate gills contained and characterized by lamellae! And 50 females ( 46 % ) and for the crab-flesh canning industry L. Science of new... Portunus spp ) is available year round resources of the Total Environment, 279 ( 1-3 ):223-230 the gill. 2 to 4 times larger than the precedent & Adams ( 1999 ) showed that there were two genetically populations... Figure 2: cephalopods, crustaceans, holothuroideans and sharks and Wood F..

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