Portunus is a genus of crab which includes several important species for fisheries, such as the blue swimming crab, portunus pelagicus and the gazami crab, p. The female crab samples were collected from the coastal region of padang, west sumatra. Thousands of new, highquality pictures added every day. Size range observed in the fishery was 56 to 165 mm in males and 61 to 170 mm in females. Acute toxicity of sodium nitrate, potassium nitrate, and. A glycosaminoglycan extract from portunus pelagicus. Pdf is not rendering correctly, you can download the pdf file here. Progress in diet development for blue swimmer crab. For faster navigation, this iframe is preloading the wikiwand page for portunus pelagicus. This research informs spatial and temporal sex ratio, gonadal development, gonado somatic index gsi and first size. The peak fishing season for crabs was during decemberjune. Preliminary report on the first production of the crab. Stock assessment and reproductive biology of the blue swimming crab, portunus pelagicus, in bandar abbas coastal waters was conducted from august 2006 to july 2007.
Pasteurized crab meat is caught and produced all over the world. Presence of the blue swimming crab portunus pelagicus in the diet of the pharaoh eagleowl bubo ascalaphus in abu dhabi, united arab emirates. Effects of different dietary organic acids on the survival. Crabshell waste from crab industry cause enviromental problem. Pdf reproductive biology of blue swimming crab portunus. The blue swimming crab portunus pelagicus linnaeus, 1758 has a broad geographical distribution throughout the indopacific region kailola et al. Growth of the blue swimmer crab, portunus pelagicus linnaeus. Some authors have recently extracted three species from portunus pelagicus, sensu lato. The fishery is divided into two areas spencer gulf and gulf st vincent, figure 1 with two types of commercial fishery operating in. Fna, fnasc, faas, in sexual biology and reproduction in crustaceans, 2017. Preparation of glucosamine hydrochloride from crustacean. Portunus segnis, portunus reticulatus, and portunus armatus. Growth, molting duration and carapace hardness of blue.
Find portunus pelagicus stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Optimization of carotenoids extraction from blue crab portunus pelagicus and shrimp penaeus semisulcatus wastes using organic solvents and vegetable oils hanif hooshmand. In australia, the commercial catches of blue swimmer crabs have been growing rapidly and recent annual catches were of the order of 1800 tonnes kumar 1998. The systematics of the commercially important swimming crab, portunus pelagicus linnaeus, 1758, is revised and four distinct species, p. Abstractin this study, the population genetic structure and historical demography of the blue swimming crab, portunus pelagicus, from southeastern sea of china were investigated using cytochrome c oxidase subunit i coi gene of mitochondrion. Genetic structure and historical demography of the blue. The parasitic barnacle, sacculina granifera boschma. 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. A stock assessment of the blue swimming crab portunus.
Experiments were conducted to evaluate the efficacy of two frozen organism with and without instant nannochloropsis oculata and with and without instant encapsulated spirulina and artificial diet with and without artificial encapsulated shrimp larvae feed with live food as continues feed in the larval rearing of blue swimming crab, portunus pelagicus. A stock assessment of blue swimming crabs, portunus pelagicus was conducted with crab gill nets and collapsible crab traps at kung krabaen bay, in the eastern gulf of thailand, from 2008 to 2009. 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. Cn101790965a artificial culture method for portunus. Also, these compounds may be obtained from waste material, which makes their exploitation both economically and environmentally appealing. A total of 889 bp segment of coi gene was sequenced, which showed a high haplotype diversity 0. Muskita, 1oce astuti, 2safilu 1 faculty of fisheries and marine sciences, halu oleo university, bumi tridharma, kendari 93232, southeast sulawesi, indonesia. This crab is a very important commercial species in many countries, such as australia, japan.
Unlimited viewing of the articlechapter pdf and any associated supplements and figures. Crab flavour was a potential product which has created using crab eggshell. The feeding ecology of the blue swimming crab, portunus. Portunus pelagicus, commonly known as blue swimming crab bsc is a highly valuable marine crab in india and bulk of the bsc products are exported to us. The exploitation of rajungan is done by using traps. However, because commercial fishers changed from using tangle nets to traps to catch crabs during this period, the annual catch per unit effort data for the commercial fishery throughout. Three different shapes were recognizable with increase of the host size. For faster navigation, this iframe is preloading the wikiwand page for portunus geslacht. Crabs carrying externae could be found throughout the year with higher percentages in the dry season may. The invention relates to an artificial culture method for portunus trituberculatus in mariculture, and belongs to the technical field of agricultural mariculture. Food and feeding of the blue swimmer crab, portunus pelagicus linnaeus, 1758 decapoda, brachyura along the coast of mandapam, tamil nadu, india by jose josileen1 central marine fisheries research institute, p. Pdf carapace widthweight relationships and condition factor of. A total of 424 male and 348 female crabs were taken to the laboratory for length, weight and reproductive biometry. This research aimed to choose best methode for making crab.
Portunus pelagicus supports indigenous as well as mechanised fishery of karnataka coast. The blue swimmer crab portunus pelagicus supports substantial commercial fisheries and is an important component of many recreational fisheries in australia and other parts of the world. Portunus pelagicus an overview sciencedirect topics. The study was carried out to analyze the growth performance and survival rate of blue swimming crab portunus pelagicus linnaeus, 1758 broodstock females fed formulated diets with different doses of amaranth extracts. Catch and catch rates of the blue swimming crab portunus pelagicus l. Use of angiography to outline the cardiovascular anatomy. A revision of the portunus pelagicus linnaeus, 1758 species complex crustacea. Levels of the antioxidant enzyme catalase, the phase ii detoxification enzyme. Optimization of carotenoids extraction from blue crab. The parasitic barnacle, sacculina granifera, changed the abdominal morphology of the host crab, portunus pelagicus l. Survival and growth of blue swimming crab, portunus pelagicus from instar 1 stage to instar 8. Growth of the blue swimmer crab, portunus pelagicus linnaeus, 1758.
Portunus pelagicus, crustacea, brachyura, portunidae, speciescomplex, taxonomy. The growth of hatchery produced portunus pelagicus crabs was monitored under laboratory conditions by recording growth at each moult from the 1st crab instar. Increasing temperature decreasing the harding time of p. Alimasag, portunus pelagicus, has been reared successfully from an ovigerous female to the crab stage for the first time in the philippines. The artificial culture method consists of two parts of technology. The blue swimming crab, portunus pelagicus linnaeus, 1758, is one of the most economically important crustaceans in thailand. Acid hydrolysis of chitin with concentrated hcl for longer time leads to breakdown of glucosamine and decreased. Portunus pelagicus in southeast sulawesi waters, indonesia 1la sara, 1wellem h. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. The morphology and morphometric characteristics of the. Abundance and spatial distribution of blue swimming crab portunus pelagicus larvae during east monsoon in the east lampung waters, indonesia. Growth performance and survival rate of portunus pelagicus. Distribution of blue swimming crab portunus pelagicus.
This species is almost identical in flavor, texture and size to the native blue crab callinectes sapidus found in the waters of the midatlantic and in parts of south america. Commercial and recreational catches of the blue swimmer crab portunus pelagicus in cockburn sound, a large marine embayment on the west coast of australia, have risen markedly over the last 2030 years. Pdf the blue swimming crab portunus pelagicus fishery. Four zoea stages and one megalopa lasting a total of approximately 16 days constitute its complete larval development. The species is usually found in large numbers in shallow bays with sandy bottoms williams 1981. The success of catching using traps is influenced by several factors such as traps construction, soaking time and bait, the research method uses experimental methods. Blue swimming crab portunus pelagicus was the economic and ecological important species in vietnam, and potential subject for aquaculture as well. They are more southerly in habitat than the southeast and east asian portunus pelagicus, sensu. Pdf a revision of the portunus pelagicus linnaeus, 1758. However, based on the shape of the gonopodium, crabs from sorong, raja ampat and kaimana had characteristics similar to those of the portunus armatus with the percentage of similarity being 30%, 40% and 25%, respectively.
In order to gather more incountry data on its biological aspects, a. A 20day experiment was conducted to compare the effects of different dietary organic acid salts that included sodium acetate, sodium citrate, sodium butyrate, or sodium propionate at 2%, on the survival, growth, and hepatopancreatic histopathology of. The largest supply of blue swimming crab meat portunus pelagicus comes from south east asia. Pdf portunus portunus pelagicus linnaeus, 1758 find, read and cite all the research you need on researchgate. Growth and survival of blue swimming crab portunus. Reproductive biology of the blue swimmer crab portunus pelagicus. Reproductive biology of blue swimming crab portunus pelagicus linnaeus, 1758 in lasongko bay, southeast sulawesiindonesia 1 abdul hamid, 2djamar. The species is similar to portunus trituberculatus in its general appearance.
Synopsis of the biology and exploitation of the blue. Carapace widthweight relationships and condition factor of blue swimming crab, portunus pelagicus linnaeus, 1758 crustacea. Organic acids are receiving increasing attention as a potential means to improve the growth as well as nutrient utilization of aquatic animals. The testis is composed of anterior and posterior lobes. In the blue crab portunus pelagicus, stewart et al. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. The bioaccumulation of cadmium by the blue swimmer crab portunus pelagicus l. Response and behavior of rajungan portunus pelagicus on. Pdf a revision of the portunus pelagicus linnaeus, 1758 species. October in the gulf of carpentaria and in warm months october. Information about reproductive biology is significantly needed in management of blue swimming crab portunus pelagicus fishery.
Trawlers accounted for 98% of the landing and the highest landing was observed during 20012002 403 t. Stock assessment and reproductive biology of the blue. A method for cardiac angiography of crustaceans is described which allows the pattern and volume of hemolymph flow to be observed in living animals. A marinederived, heparan sulphatecontaining glycosaminoglycan extract isolated from the crab portunus pelagicus, was identified to inhibit human bace1 with comparable bioactivity to that of mammalian heparin ic50 1. The reproductive biology of blue swimming crab portunus. Portunus sanguinolentus herbst, 1783 inhabit the same area but it is easily distingushed by their 3 prominent maroon to red spots on posterior of. Growth, molting duration and carapace hardness of blue swimming. Portunus pelagicus biodiversitas, journal of biological diversity. The larvae were conducted with six treatments and each treatment with three replications on newly one day hatched larvae. Here, a gag extract isolated from the crab portunus pelagicus has been found to possess attenuated anticoagulant activity while potently inhibiting the ad relevant. In portunus pelagicus, 91% of hemolymph flow was via the sternal aorta into the ventral thoracic artery and into its radiating lateral subbranches which supply the walking legs. 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. A revision of the portunus pelagicus linnaeus, 1758.
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