The present work investigates the changes occurring in diameter, volume, wet weight and morphology p. Synopsis of the biology and exploitation of the blue swimmer crab, portunus pelagicus linnaeus, in western australia m. 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. Introduction the blue swimming crab, portunus pelagicus l. Biology and exploitation of the blue swimmer crab, portunus pelagicus linnaeus, 1758, from south karnataka coast, india a. The blue swimming crab portunus pelagicus linnaeus, 1758 inhabits coastal waters with sandy or muddy substrates of southeast asia.
Reproductive biology of the blue swimmer crab portunus. Here, the morphometric characteristics and organ indices are analysed to obtain baseline information about the population structure, sexual maturity, and fecundity of this species. May 01, 2010 portunus pelagicus blue swimmer crab is widely distributed and fished throughout the indowest pacific, but little is known of its biology and ecology in southeast australia. The blue swimming crab portunus pelagicus linnaeus, 1758 is one of the commercially exploited crab fishery resources in vietnam. Biology of the blue swimmer crab portunus pelagicus in. The fishery is based on the capture of a single species, portunus pelagicus, although other crab species may also be landed, such as spider, velvet and rock crabs. Some aspects of reproductive biology of blue swimming crab. Alterations in size, weight and morphology of the eggs of. Growth and survival of blue swimming crab portunus. 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.
The biology of the blue manna crab portunus pelagicus in an australian estuary article pdf available in marine biology 781. Muniyappa mangalore research centre of central marine fisheries research institute, mangalore 575 001, india. 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. Study on the reproductive biology of the blue swimming. Portunus pelagicus broodstock caught from the coastal region of port dickson, negeri sembilan, malaysia in august 2004, and conditioned in the hatchery unit of marine research station, upm were used for the reproductive experiments including larval rearing studies.
Here, we synthesized agnps using the crabborne antibacterial agent hemocyanin and assessed the antibacterial action against several pathogenic bacteria. Reproductive biology of the blue swimming crab portunus. Mar 31, 2016 portunus pelagicus were obtained from a shallow coastal area in the kingdom of bahrain, arabian gulf 26 14 909 n and 50 297 121 e during the years 2004 and 2005 using local fish trap on sandy mud or sand substrates. Natural diet of blue swimming crab, portunus pelagicus at. The blue swimming crab portunus pelagicus linnaeus, 1758 has a broad geographical distribution throughout the indopacific region kailola et al. Embryonic development and hatching rate of blue swimming crab, portunus pelagicus linnaeus, 1758 under different water salinities introduction blue swimming crab, portunus pelagicus linnaeus, 1758 is one of the most commercially important species azra and ikhwanuddin, 2015. Portunus pelagicus from the first instar to stage 16 was studied by rearing the crabs in the laboratory josileen and menon, 2005. Portunus sanguinolentus herbst, 1783 inhabit the same area but it is easily distingushed by their 3 prominent maroon to red spots on posterior of. The species is similar to portunus trituberculatus in its general appearance. Whereas crabs were widely dispersed throughout peel inlet, harvey estuary and the saline.
Genomewide snp analyses reveal population structure of. Pdf a revision of the portunus pelagicus linnaeus, 1758. Media in category portunus pelagicus the following 21 files are in this category, out of 21 total. Relative growth and heterochely in the blue swimmer crab. Different body measurements were carried out including fresh body weight, carapace width carapace length, total length and width of both right and left chelae, and abdominal. Ovigerous female crabs were sampled using gillnets and traps at seven stations. Reproductive biology of blue swimming crab portunus pelagicus linnaeus, 1758 in lasongko bay, southeast sulawesiindonesia 1abdul hamid, 2djamar t. Jul 01, 2003 the swimming crab portunus sanguinolentus herbst, 1783 is widely distributed in ocean waters from east africa, through the indopacific region, to the hawaiian islands stephenson and campbell, 1959. Aziz, 1muhamad naimullah, 3marina hassan 1 school of fisheries science and aquaculture, malaysia terengganu university, kuala. Distribution pattern and habitat shifts during ontogeny of.
Energy saved by pulsed activity can be explained by reference to nonlinear arterial analogues where decreased impedance to pulsatile flow occurs at or above a resonant freq. Pages with biology property different than on wikidata. The reproductive biology of blue swimming crab portunus. A conceptual model for the regulation of cardiac and. Morphometric character variation of the blue swimming crab.
Shields abstract fifteen parasites and symbionts were found in. Fisheries biology and assessment of the blue swimmer crab portunus pelagicus in queensland. The species is usually found in large numbers in shallow bays with sandy bottoms williams 1981. The genus portunus contains more than 90 extant species and over 40 further species known only from fossils fossils of crabs within this genus can be found in sediment of europe, the united states, mexico, venezuela, brazil and australia from paleogene to recent age range. Parasites and symbionts of the crab portunus pelagicus from. Portunus pelagicus blue swimmer crab is widely distributed and fished throughout the indowest pacific, but little is known of its biology and ecology in southeast australia. Themfore, an attempt has been made to study the diet of the e two porbluids from the karnataka coasl to enhance, the knowledge on feeding biology ofthese crabs. Blue swimming crab, portunus pelagicus linnaeus, 1758 as. The reproductive biology of blue swimming crab portunus pelagicus in southeast sulawesi waters, indonesia 1la sara, 1wellem h.
Study on fecundity, embryology and larval development of blue swimming crab portunus pelagicus linnaeus, 1758 under laboratory conditions 1a. Telson forked, with each fork bearing, one inner and one dorsal spine. A study of the reproductive biology of the haole crab, portunus sanguinolentus herbst brachyura. The samples were used to obtain data on the reproductive biology of this species in three very different envi ronments.
More than 90% of the crabs were found bearing the octolasmis at a prevalence rate of 92% and mean intensity of 18. Abstract portunus pelagicus s wa collected at regular intervals from two marine embayments and two estuaries on the lower west coast of australia and from a large embayment located approximately 800 km farther north. Distribution, body size, and eggs of ovigerous swimming crab. Enhanced antibacterial activity of hemocyanin purified. Saad 1department of biology, faculty of science, universiti putra malaysia, 43400 upm, serdang selangor darul ehsan, malaysia. Whereas crabs were widely dispersed throughout peel inlet, harvey estuary and the saline regions of tributary rivers during. Portunus pelagicus in common with a number of large decapod crustaceans displays a discontinuous pattern of cardiac activity and ventilation pausing or pausepulsing.
The blue swimming crab portunus pelagicus fishery of eastern visayas, philippines. References used for portunus pelagicus sealifebase. Seed production and farming of blue swimmer crab portunus. The fishery is divided into two areas spencer gulf and gulf st vincent, figure 1 with two types of commercial fishery operating in each pot and marine scalefish. Muskita, 1oce astuti, 2safilu 1 faculty of fisheries and marine sciences, halu oleo university, bumi tridharma, kendari 93232, southeast sulawesi, indonesia. Stock assessment and reproductive biology of the blue. Portunidae in five bodies of water on the west coast of australia. Synopsis of the biology and exploitation of the blue swimmer. Portunus pelagicus linnaeus, 1758 is an important candidate species for culture in india and trials are for developing its hatchery technology.
Lumban batu, 2etty riani, 2yusli wardiatno 1 department of aquatic resources management, faculty of fisheries and marine. The biology of the blue manna crab portunus pelagicus in. The biology of the blue manna crab portunus pelagicus in an. Parasites and symbionts of the crab portunus pelagicus. A glycosaminoglycan extract from portunus pelagicus inhibits.
Portunus pelagicus an overview sciencedirect topics. Complete mitochondrial genome of portunus pelagicus. Various aspects of the reproductive biology of blue swimming crab, p. The biology, population dynamics and fishery management of. Study on the reproductive biology of the blue swimming crab, portunus pelagicus females from pattani coastal waters, thailand 1,2fazrul hisam, 2sukree hajisamae, 3mhd ikhwanuddin, 1nik a. Collected mainly by artisanal traps, trawls, beach seines, cylindrical wire traps, folding traps, pots, hop nets, drop nets, and sunken crab gill nets. We examined the batch fecundity of female crabs that were collected monthly at landing sites from june 2011 to may 2012, calculated the. Do the age compositions and growth of the crab portunus pelagicus in marine embayments and estuaries differ. Reproductive biology of blue swimming crab, portunus. Potter centre for fish and fisheries research division of science and engineering murdoch university south street murdoch, western australia 6150. Analisis karakteristik bioekologi rajungan portunus.
Various aspects of the biology of the blue manna crab portunus pelagicus have been investigated in the large peelharvey estuarine system of western australia, using samples collected regularly by beach seine, gill net and otter trawl between february 1980 and july 1981. The blue swimming crabportunus pelagicus is an important catch species for many coastal villages along the java sea coastline, but little is known its regarding reproductive biology or stock status. Does it vary with body size and shell state and between estuaries. 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. It inhabits a wide range of inshore and continental shelf areas, including sandy, muddy.
Mainly a predator of sessile and slowmoving benthic macroinvertebrates ref. Life cycle and biology of portunid crabs josileen jose crustacean fisheries division, cmfri, kochi18 growth. The fisheries biology of the blue swimming crab portunus pelagicus linnaeus in the gulf of thailand. Feeding ecology of portunus pelagicus linnaeus, 1758. Fna, fnasc, faas, in sexual biology and reproduction in crustaceans, 2017. Kangas western australian marine research laboratories p.
The feeding ecology of the blue swimming crab, portunus. 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. Reproductive biology of blue swimming crab portunus. Mohamad n azra1 and mhd ikhwanuddin2 1school of fisheries and aquaculture sciences, universiti malaysia terengganu, kuala terengganu, terengganu, malaysia. Neelakantan school of ocean sciences, kodibag, karwar58 i 303, present address. Box 1603, cochin682 018, india abstract food habits of the blue swimmer crab, portunus pelagicus were investigated using. Morbid behaviour of the commercial sand crab, portunus. The aim of this study is to simultaneously evaluate the impact of ecological and biological conditions on feeding habits of portunus pelagicus linnaeus, 1758. Portunus pelagicus, stock assessment, reproductive biology, fecundity, gonad somatic index gsi, the persian gulf. Reproductive biology of the blue swimmer crab portunus pelagicus, decapoda.
Pdf the biology of the blue manna crab portunus pelagicus. Locations of sampling sites for portunus segnis in the persian gulf and oman sea the determination of reproductive biology of blue swimming crab in persian gulf and oman sea was divided into 4 major parts described as follows. Aspects of the biology of the swimming crab, portunus peagicus linnaeus, 1758. The crab samples were collected from northern, central and southern. This is the first study to provide a broad survey of genetic diversity, population structure and migration patterns of p. The systematics of the commercially important swimming crab, portunus pelagicus linnaeus, 1758, is revised and four distinct species, p. 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. Pdf the blue swimming crab portunus pelagicus fishery of. Nov 05, 2019 the blue swimming crab portunus pelagicus linnaeus, 1758 is one of the commercially exploited crab fishery resources in vietnam. The determination of reproductive biology of blue swimming crab in persian gulf and.
Box 1603, cochin682 018, india abstract food habits of the blue swimmer crab, portunus pelagicus were investigated using specimens. Reproductive biology of portunus pelagicus in a southeast. Synopsis of the biology and exploitation of the blue. In this study, the crustacean immune protein hemocyanin pphc, 78 kda purified from portunus pelagicus hemolymph was used to. Collected mainly by artisanal traps, trawls, beach seines, cylindrical wire traps, folding traps, pots. The larval culture and rearing techniques of commercially important crab, portunus pelagicus linnaeus, 1758. Reproductive biology of blue swimming crab, portunus segnis.
The first abdominal segment bears a short seta on its dorsal surface. Distribution, body size, and eggs of ovigerous swimming. Pdf reproductive biology of the commercially important. Aquatic environment and fishing intensity might influence the variation in morphometric characters of species as a form of adaptation and might characterize the stock unit as well. Spawning biology of two marine portunid crabs, portunus. Occurs from the intertidal zone especially juveniles to depths of 30 m. The distribution, body size, and egg diameter and volume of ovigerous blue swimming crabs, portunus pelagicus, were examined according to habitat type and egg color in lasongko bay, central buton, indonesia between april 20 and march 2014. A study of the reproductive biology of the haole crab. The larval culture and rearing techniques of commercially. This crab is a very important commercial species in many countries, such as australia, japan. Seed production and farming of blue swimmer crab portunus pelagicus 245 and abdomen telson length from 1.
Reproductive biology of the commercially important portunid crab, portunus sanguinolentus herbst article pdf available january 20 with 418 reads how we measure reads. Stock assessment and reproductive biology of the blue swimming crab, portunus pelagicus, in bandar abbas. Samples were collected from may 20 to september 2014 using gill nets. Food and feeding of portunus portunus sanguinolentus. A glycosaminoglycan extract from portunus pelagicus. Characterization of the complete mitochondrial genome of. Box 20, north beach, western australia, 6020 abstract this report summarises the existing studies which have provided information on the. Morbid behaviour of the commercial sand crab, portunus pelagicus l.
In the blue crab portunus pelagicus, stewart et al. 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. Portunus sanguinolentus herbst, 1783 is commercially important in china, but its yields have declined in recent years. Reproductive biology of blue swimming crab, portunus segnis forskal, 1775 in coastal waters of persian gulf and oman sea. The testis is composed of anterior and posterior lobes. Boer and zairion 2014 population biology of portunus pelagicus and its essential habitat characteristics in order to propose nursery ground conservation in east lampung. Kt382858, and consisted of proteincoding genes, 22 trna genes, 2 ribosomal rna genes, and 1 dna control region figure 1. Journal of experimental marine biology and ecology 246 2000 241257. Spawning biology of two marine portunid crabs, portunus portunus sanguinolentus herbst and portunus portunus pelagicus linnaeus from the karnataka coast k. Portunidae university of hawaii ryan, edward parsons on. Reproductive biology of blue swimming crab portunus pelagicus. Sexratio in this research, sex ratio analysis was carried out by monthly data sets of the.
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