Structure of the male reproductive system of the blue. Material and methods weekly samples of p p sallguilloienllls and p p pelagicus caught by di. Potter, influence of a deep artificial entrance channel on the biological characteristics of the blue swimmer crab portunus pelagicus in a large microtidal estuary, journal of experimental marine biology. Whereas crabs were widely dispersed throughout peel inlet, harvey estuary and the saline regions of tributary rivers during. An attempt was made here to study the structure of the male reproductive system of portunus pelagicus, which would improve the knowledge base on the reproductive biology of the species and also help in the maintenance of broodstock under controlled conditions. We examined the batch fecundity of female crabs that.
The bioaccumulation of cadmium by the blue swimmer crab portunus pelagicus l. Fna, fnasc, faas, in sexual biology and reproduction in crustaceans, 2017. 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. Portunidae university of hawaii ryan, edward parsons on. Aziz, 1muhamad naimullah, 3marina hassan 1 school of fisheries science and aquaculture, malaysia terengganu university, kuala. Seed production and farming of blue swimmer crab portunus pelagicus 245 and abdomen telson length from 1. Biology and exploitation of the blue swimmer crab, portunus pelagicus linnaeus, 1758, from south karnataka coast, india, mangalore research centre of central marine fisheries research. Lumban batu, 2etty riani, 2yusli wardiatno 1 department of aquatic resources management, faculty of fisheries and marine. The first abdominal segment bears a short seta on its dorsal surface. A study of the reproductive biology of the haole crab. Online shopping for wildlife biology books in the books store. Population structure of the blue and purple types of the blue crab portunus trituberculatus miers from the west sea of korea based on morphometric characteristics and aflp analysis. We have used a custom cdna microarray chip, developed for the blue swimmer crab portunus pelagicus.
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. This study was carried out to observe and describe sexual dimorphism, reproductive system, macroscopic and histological gonad development and gonado somatic index gsi of blue swimming crab p. The reproductive biology of blue swimming crab portunus. The results showed that the major prey items in the stomach contents of p.
For the aid of researchers, the authors have highlighted areas where further. Study biology online free by downloading openstaxs concepts of biology book and using our accompanying online resources including a biology study guide. Kt382858, and consisted of proteincoding genes, 22 trna genes, 2 ribosomal rna genes, and 1 dna control region figure 1. Introduction the blue swimming crab, portunus pelagicus l. Pelagic publishing is an independent academic publisher of books on wildlife, science and conservation. An online biology book estrella mountain community. Founded in 2010, we specialise in books that deliver cuttingedge knowledge, published rapidly in traditional and ebook formats. Caillout cw jr 1973 ovarian maturation induced by eyestalk ablation in pink shrimp penaeus duoracumburkenroad. Reproductive biology of the blue swimmer crab portunus. Natural diet of blue swimming crab, portunus pelagicus at.
Some aspects of reproductive biology of blue swimming crab. Free concepts of biology book available for download openstax. The royal society of biology book awards celebrated outstanding textbooks aimed at undergraduates and postgraduates and general biology books. Reproductive biology of portunus pelagicus in a southeast. 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. It should therefore be of enormous value to plankton workers, containing keys to aid identification. Parasites and symbionts of the crab portunus pelagicus from. Portunidae in five bodies of water on the west coast of australia. The biology of the blue manna crab portunus pelagicus in. Abstrak rajungan portunus pelagicus adalah salah satu komoditas perikanan yang sudah banyak dieksploitasi oleh nelayan tradisional.
Portunus pelagicus in common with a number of large decapod crustaceans displays a discontinuous pattern of cardiac activity and ventilation pausing or pausepulsing. The fisheries biology of the blue swimming crab portunus pelagicus. Reproductive biology of blue swimming crab portunus pelagicus linnaeus, 1758 in lasongko bay, southeast sulawesiindonesia 1abdul hamid, 2djamar t. This research informs spatial and temporal sex ratio, gonadal. Spawning biology of two marine portunid crabs, portunus. Information about reproductive biology is significantly needed in management of blue swimming crab portunus pelagicus fishery. The following 96 pages are in this category, out of 96 total. Pdf population structure of the blue and purple types of. This is the first study to provide a broad survey of genetic diversity, population structure and migration patterns of p. Reproductive biology of the commercially important portunid.
A conceptual model for the regulation of cardiac and. Life cycle and biology of portunid crabs josileen jose crustacean fisheries division, cmfri, kochi18 growth in crustaceans, as growth progresses, certain dimensions of the animals body may grow much more than others, resulting in the phenomenon known as relative growth hartnoll, 1974. Biological research programme, of bcsr for their interest and strong support of this study. Relative growth and heterochely in the blue swimmer crab. Complete mitochondrial genome of portunus pelagicus. Food and feeding of the blue swimmer crab, portunus. Study on fecundity, embryology and larval development of blue swimming crab portunus pelagicus linnaeus, 1758 under laboratory conditions 1a. Portunus pelagicus definition of portunus pelagicus by the. 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.
Penangkapan yang berlebihan merupakan salah satu penyebab. Reproductive biology of blue swimming crab, portunus segnis forskal, 1775 in yumurtal. Telson forked, with each fork bearing, one inner and one dorsal spine. Therefore, a study of reproductive biology, including sex ratio, gonad development, spawning season and fecundity of p. Synopsis of the biology and exploitation of the blue swimmer. Materials and methods sampling portunus pelagicus was collected from sites in both nearshore, shallow biology of portunid crabs was investigated by many indian researchers. Even though the crabportunus pelagicus is a continuous breeder, there appears to be three maximal periods of development of the gonad and hepatopancreas. Portunus pelagicus the flower crab or also known as the blue swimmer is a species of crab native in indian and pacific ocean, as well as the mediterranean sea. 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. 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.
Distribution pattern and habitat shifts during ontogeny of. The blue swimming crab portunus pelagicus is an important catch species for many coastal villages along the java sea coastline, but little is known regarding its reproductive biology or stock status. Blue swimming crabs bsc portunus pelagicus fisheries in southeast sulawesi waters have experiencing huge pressure, however studies on their reproductive biology were limited. 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. Portunus pelagicus an overview sciencedirect topics. Pelagic tunicates play an important role in the sea as filter feeding animals of the macroplankton in geochemical cycling.
Biology and exploitation of the blue swimmer crab, portunus pelagicus linnaeus, 1758, from south karnataka coast, india, mangalore research centre of central marine fisheries research institute, mangalore 575 001. Our wide variety of books and ebooks has been empowering research development, initiating innovation, and encouraging confidence and career growth in the. Biology and population parameter of blue swimming crab portunus pelagicus. Portunus pelagicus fishery around the indian and westpacific. Use of angiography to outline the cardiovascular anatomy. The results of this study will facilitate the management of p. The aim of this study was to determine the diets of portunus pelagicus in the large peelharvey and leschenault estuaries in southwestern australia in order to ascertain whether the dietary composition of this crab changes with body size during two different moult stages and differs between the two estuaries. The feeding ecology of the blue swimming crab, portunus. Reproductive biology of the blue swimmer crab portunus pelagicus, decapoda. Fisheries biology and assessment of the blue swimmer crab portunus pelagicus in queensland.
The contribution made to the diet by amphipods declined from 41. The objective of the study was to find out the growth model, size at the first maturity, fecundity, and sex ratio disparity of bsc. The blue swimming crab portunus pelagicus linnaeus, 1758 has a broad geographical distribution throughout the indopacific region kailola et al. Pdf the biology of the blue manna crab portunus pelagicus. Biology of the blue swimmer crab portunus pelagicus in. Portunus pelagicus was 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. 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. Presence of the blue swimming crab portunus pelagicus in the diet of the pharaoh eagleowl bubo ascalaphus in abu dhabi, united arab emirates. The first abdominal segment bears a short seta on its. The testis is composed of anterior and posterior lobes. The species is similar to portunus pelagicus in its general appearance. 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. Feeding habits of the swimming blue crab portunus segnis. This is the first book in fifty years to provide a full account of all the tunicate groups.
Materials and methods sampling portunus pelagicus was collected from sites in both nearshore, shallow biology of blue swimming crab portunus pelagicus linnaeus, 1758 in lasongko bay, southeast sulawesiindonesia 1abdul hamid, 2djamar t. Synopsis of the biology and exploitation of the blue. Reproductive biology of the blue swimming crab portunus pelagicus brachyura. Distribution, body size, and eggs of ovigerous swimming crab. Reproductive biology of blue swimming crab, portunus segnis. 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. Mating behaviour of sand crab, portunus pelagicus linnaeus. In the blue crab portunus pelagicus, stewart et al. Portunus sanguinolentus herbst, 1783 inhabit the same area but it is easily distingushed by their 3 prominent maroon to red spots on posterior of carapace.
Stock assessment and reproductive biology of the blue. Department of aquatic resources management, faculty of fisheries and marine. Reproductive biology of blue swimming crab portunus pelagicus. Aspects of the biology of the swimming crab, portunus peagicus linnaeus, 1758. Discover the agricultural and biological sciences books elsevier. Stock assesment and reproductive biology of the blue swimming crab, portunus pelagicus in bandar abbas coastal waters, norther persian gulf. In bardawil lagoon, the studies on the fishery and biology of p. 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. 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 proportion of berried externally eggbearing females, fecundity, gonadosomatic index, and egg size of the blue swimmer crab portunus pelagicus off southern australia were. Morphometric character variation of the blue swimming crab. Portunus pelagicus, stock assessment, reproductive biology, fecundity, gonad somatic index gsi, the persian gulf.
Dietary composition of the blue swimmer crab portunus. In shallow waters, it is caught using beach seines, rakes, and. 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. A glycosaminoglycan extract from portunus pelagicus. The gonad index is high in the months of novemberjanuary and june and the hepatic index shows the greatest development in the months of. Seed production and farming of blue swimmer crab portunus. The biology of the blue manna crab portunus pelagicus in an. The cuticle matrix consists of many different proteins that confer the physical properties, such as pliability, of the exoskeleton.
Gene expression profiling of cuticular proteins across the. Characterization of the complete mitochondrial genome of. Reproductive cycle of the blue swimmer crab, portunus. This list may not reflect recent changes learn more. The samples were used to obtain data on the reproductive biology. Fisheries biology and spatial modelling of the blue swimmer crab portunus pelagicus.
Wildscreens arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. Genomewide snp analyses reveal population structure of. Reproduction and larval ecology of the blue swimming crab. The blue swimming crab portunus pelagicus linnaeus, 1758 is one of the commercially exploited crab fishery resources in vietnam. 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. Aquatic environment and fishing intensity might influence the. The biology, population dynamics and fishery management of. The natural diet of blue swimming crabs, portunus pelagicus, was investigated from october 2008 to october 2009 using hand sampling and a crab gill net. Pdf fisheries biology and spatial modelling of the blue. Study on the reproductive biology of the blue swimming. Soundarapandian p, tamizhazhagan e, john samuel n 2007 seed production of commercially important blue swimming crab portunus pelagicus linnaeus.
Reproductive biology of the blue swimming crab portunus. Free biology 2e textbook available for download openstax. Collected mainly by artisanal traps, trawls, beach seines, cylindrical wire traps, folding traps, pots, hop nets, drop nets, and sunken crab gill nets. The biology of portunid crabs was investigated by many indian researchers. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, featured multimedia factfiles for more than 16,000 endangered species. Pdf reproductive biology of blue swimming 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.
This research informs spatial and temporal sex ratio, gonadal development, gonado somatic index gsi and first size. A study of the reproductive biology of the haole crab, portunus sanguinolentus herbst brachyura. The biology, population dynamics and fishery management of the. 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.
145 1495 652 231 1184 1438 967 913 565 759 225 1446 939 1287 988 355 305 490 697 195 378 1210 703 314 199 1456 963 826 1019 829 4 698 330 262 355 621 597 50