Morphological characterization and plant based control of. Lernaea cyprinacea and a new species of dermoergasilus. Sampled from location of the host fish capture authors. We present data supporting a link between periods of unusually warm summer water temperatures during 2006 and 2008 in a northern california river, outbreaks of the parasitic copepod lernaea cyprinacea, and malformations in tadpoles and young of the. Parasitic crustaceans in fishes from some philippine lakes. Gobonellidae in southern europe harald ahnelt1,2, robert konecny3, andreas gabriel1, andreas bauer1, laura pompei4, massimo lorenzoni4 and helmut sattmann5. Gambusia affinis were collected by dipnet from ponds on the university of texas, austin, campus on 16 and 24 december 1986 and 1 and 4 january 1987. Effect of parasitism of lernaea cyprinacea on tadpoles of the. Sep 24, 2018 lernaea cyprinacea is a non hostspecific parasitic copepod known to infest many freshwater fish species. The most common parasite is the marine dinoflagellates, blastodinium spp. The lernaeid copepod lernaea cyprinacea linnaeus, 1758, often called the anchor worm, is a parasite of freshwater fishes in various regions of the world 1, 2. Lernaea has also been reported to infest amphibians. The most common adult copepod parasites of freshwater fishes are lernaea cyprinacea, ergasilus sieboldi and related species, salmincola californiensis, s.
The lernaeid copepod lernaea cyprinacea linnaeus, 1758, often called the anchor worm, is a parasite of freshwater fishes in various regions of the world. Among the parasites determined, we opted for the analysis of the dynamics of populations of those most represented within the parasitic communities of the fish examined, such as. Effect of parasitism of lernaea cyprinacea on tadpoles of. Lernaea species, commonly known as anchorworms, are crustacean, copepod parasites that can infect and cause disease and mortality in many types of freshwater fishes, especially wildcaught and pondraised species. Review of parasitic copepods recorded in fish from turkey 39 62 table 3. Lernaeidae parasitic on freshwater fishes in ehime prefecture, shikoku, japan kazuya nagasawa graduate school of biosphere science, hiroshima university,144 kagamiyama, higashihiroshima, hiroshima 7398528, japan abstract specimens of lernaea cyprinacea linnaeus, 1758 were collected from the anal. The introduction of invasive species is one of the greatest threats currently faced by natural ecosystems, causing ecological imbalances between native populations and transmission of a variety of diseases. First molecular data for lernaea cyprinacea copepoda. The stages in the metamorphosis of the pennellid cardiodectes medusaeus wilson are described from midwater fishes in the indopacific.
They cause lernaeosis, a disease that can lead to serious. Sep 03, 2009 how climate change may affect parasitehost assemblages and emerging infectious diseases is an important question in amphibian decline research. We reported the interaction between two exotic species given by the parasitic infestation of the copepod lernaea cyprinacea in the early stages of the development of the american bullfrog. The infections were located on a soft part of the dorsal and anal fins regions. Fish samples were collected from impoundments in the malilangwe wildlife reserve in the southeastern lowveld of zimbabwe and these included the cichlids oreochromis mossambicus. Lernaea cyprinacea, one of the more common species. Lernaea cyprinacea, a parasitic cyclopoid copepod, is reported parasitizing sailfin molly poecilia latipinna breeders, cultured in the center of advanced study in marine biology, parangipettai india. In the present study, lernaean parasite lernaea cyprinacea or called cyclopoid copepod parasite was reported on the examined fish species.
Lernaea cyprinacea parasites were isolated from the external surface of eye, lips, gills, nostrils, fins, operculum and body of alburnus. Lernaea is unusual, however, as most common copepod species are freeliving and do not cause disease. We present data supporting a link between periods of unusually warm summer water temperatures during 2006 and 2008 in a northern california river, outbreaks of the parasitic copepod lernaea cyprinacea, and malformations in tadpoles. On the development of a parasitic copepod, lamproglena. The copepod is known as a pathogen of cultured and aquarium fishes 2, 3. Outbreaks of infestations by this ectoparasite may cause mass mortality of parasitized fishes. Experiments on the control of anchor worm lernaea cyprinacea. Introduction the parasitic copepod anchor worm, lernaea cyprinacea l. Pdf parasitic copepod lernaea cyprinacea outbreaks in. Pdf click to increase image size click to decrease image size. Investigation of a parasitic outbreak of lernaea cyprinacea. Abstract lernaea cyprinacea is a non hostspecific parasitic copepod known to infest many freshwater fish species. Pdf aspects of the morphology of the parasitic copepod.
They mate during the last freeswimming copepodid stage of development. Because lernaea is a copepod and crustacean, it is related to crabs, lobsters, and shrimp, all of which have a multistage life cycle figure 1. The majority of copepod species 97% have been recorded from marine and brackish water environments with only four species of parasitic copepods, lernaea cyprinacea, ergasilus cerastes, ergasilus versicolor and neoergasilus japonicus, reported from freshwater fish. Pdf a morphological study on the ectoparasite lernaea cyprinacea, found on labeo rosae and oreochromis mossambicus in the olifants river in the kruger. Records on small benthic fish species are less common. First report of the parasitic copepod lernaea cyprinacea. Pdf copepod parasites crustacea of freshwater fishes. Life cycle of lernaea because lernaea is a copepod and crustacean, it is related to crabs, lobsters, and shrimp, all of which have a multistage life cycle figure 1. The postembryonic development of the gill parasite, lamproglena clariae, infecting the sharp tooth catfish, clarias gariepinus was established from egg culture and artificial infection of fish under laboratory conditions. Pdf first report of the parasitic copepod lernaea cyprinacea. The copepod lernaea cyprinacea was presumably cointroduced to. Parasitic copepod lernaea cyprinacea outbreaks in foothill yellowlegged frogs rana boylii linked to unusually warm summers and amphibian malformations in northern california.
Read aspects of the morphology of the parasitic copepod lernaea cyprinacea linnaeus, 1758 and notes on its distribution in africa, crustaceana on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Lernaea cyprinacea anchor worm, a parasitic cyclopoid copepod is found to parasitize in the broodstock, nursery, and culture system in the freshwater aquaculture ponds and hatchery of jessore. Lernaea cyprinacea, a parasitic cyclopoid copepod, is found to parasitize in the broodstock, nursery and culture system in the freshwater hatchery of jessore regions. Histopathological effect of lernaea cyprinacea a copepod. Parasitic copepods of the family lernaeidae are often found infesting freshwater fishes worldwide. Four specimens of the asiatic parasitic copepod neoergasilus japonicus harada, 1930 were collected from oneida lake, new york in september 2018. On one of the hosts, approximately 20 lernaea specimens were counted. Distribution of the exotic parasite, lernaea cyprinacea. Lernaea cyprinacea from aichi prefecture, japan 29 discussion l. The frequency distribution shows the weak presence of lernaea cyprinacea 251. Palen 2009 parasitic copepod lernaea cyprinacea outbreaks in foothill yellowlegged frogs rana boylii linked to unusually warm summers and amphibian malformations in northern california. Mer mosharraf hossain, jannatul ferdoushi and ariful haque rupom abstract lernaea cyprinacea anchor worm, a parasitic cyclopoid copepod is found to parasitize in the broodstock, nursery, and culture system in the freshwater aquaculture ponds and hatchery of jessore regions.
How climate change may affect parasitehost assemblages and emerging infectious diseases is an important question in amphibian decline research. A note on lernaea cyprinacea parasitizing the cultured. Detailed descriptions are given of the appendages and their associated ornamentation. Aspects of the morphology of the parasitic copepod lernaea.
Histopathological effect of lernaea cyprinacea a copepod parasite on fish. Infestation of fish by the crustacean ectoparasite lernaea cyprinacea linnaeus, 1758 was investigated to establish the extent of infestation, potential effects of the parasite and its ecological adaptations. In addition, copepodids of lernaea and chalimus larvae of. Lernaea cyprinacea is an introduced parasitic copepod found on the skin and gills of. First report of the parasitic copepod lernaea cyprinacea copepoda.
Pdf aspects of the morphology of the parasitic copepod lernaea. A note on lernaea cyprinacea parasitizing the cultured marble goby oxyeleotris marmorata and their control with salinity modification abstract lernaea cyprinacea, a parasitic cyclopoid copepod, is found to parasitize the marble goby broodstock. Investigation of a parasitic outbreak of lernaea cyprinacea linnaeus. Investigation of a parasitic outbreak of lernaea cyprinacea linnaeus crustacea. Lernaea cyprinacea linnaeus, 1758 copepods parasitic fish tilapia.
Jul 17, 2019 approximately species of lernaeids lernaea and lernaealike parasites have been described. Linnaeus, were recovered from the skin and base of the dorsal fin, respectively, of the mudfish. A morphological study on the ectoparasite lernaea cyprinacea, found on labeo rosae and oreochromis mossambicus in the olifants river in the kruger national park, south africa, was done with the use of scanning electron microscopy. We present data supporting a link between periods of unusually warm summer water temperatures during 2006 and 2008 in a northern california river, outbreaks of the parasitic copepod lernaea cyprinacea, and malformations in tadpoles and young of the year foothill yellowlegged frogs rana boylii. In addition, copepodids of lernaea and chalimus larvae of achtheres and salmincola attach to gill fila. Lernaea also incorrectly spelled lernea is a genus of copepod crustaceans commonly called anchor worms, parasitic on freshwater fishes. Edible fishes from some philippine lakes also show infestation by parasitic crustaceans.
Description stages except the parasitic females have typical copepod structure 5. Population dynamics of copepods lernaea cyprinacea. Differentiation to lernaeid genera and to species in the genus lernaea is based mainly on. The earliest metamorphic stage was found within the body cavity of the second host and indicates a double origin for the frontal processes of the cephalic holdfast in this species. Kupferberg, alessandro catenazzi, kevin lunde, amy j. New host records for lernaea cyprinacea copepoda, a parasite.
Population dynamics of copepods lernaea cyprinacea linnaeus. Coinvasion of anchor worms lernaea cyprinacea copepoda. Aspects of the morphology of the parasitic copepod lernaea cyprinacea linnaeus, 1758 and notes on its distribution in africa article pdf available in crustaceana 695. The rodshaped, unsegmented, or partly segmented parasitic stage lernaeid female is anchored, with the aid of a specialized holdfast organ, to the host skin or buccal mucosa. Dipterex gave an effective control of anchor worms in ponds after four biweekly treatments at a rate of 1 ppm. The parasitic copepod lernaea cyprinacea from freshwater. Lernaea cyprinacea is a non hostspecific parasitic copepod known to infest many freshwater fish species.
It also discusses the life cycles, hostparasite relationships, and some aspects of the biology of parasitic copepods. Acipenser stellatus as a new host record for lernaea. Pdf morphogenesis of the gut in the nauplius stages of. Gambusia affinis baird and girard, the parasitic copepod lernaea carassii tidd, and a rich epizoic assemblage of periphyton and associated animals. Infestations with lernaea are most prevalent in the summer months and occur more commonly in stagnant or slowmoving water bodies. Parasitic copepod lernaea cyprinacea outbreaks in foothill. In addition to being parasites themselves, copepods are subject to parasitic infection. The parasitic copepod lernaea cyprinacea from freshwater fishes, including alien species gambusia affinis and rhodeus ocellatus ocellatus, in central japankazuya nagasawa 1 and ryoichi torii 2 1 graduate school of biosphere science, hiroshima university, 144 kagamiyama, higashihiroshima, hiroshima 7398528, japan 2 mikawa freshwater life network, b101 plaza verde, 1 fudaki. Pdf on sep 24, 2018, harald ahnelt and others published first report of the parasitic copepod lernaea cyprinacea copepoda. Lernaea cyprinacea linnaeus is an ectoparasitic copepod that infects the gills and skin of various freshwater. Adult post metamorphosis females produce two egg strings. Approximately species of lernaeids lernaea and lernaealike parasites have been described. Pdf investigation of a parasitic outbreak of lernaea.
Lernaea, a copepod parasite commonly known as anchor worm contamination is a major sickness issue experienced in fish culture in the indian subcontinent. A note on lernaea cyprinacea crustacea, copepoda, lernaeidae. Life history study on lernaea cyprinacea showed that the first copepodid stage appeared 34 days after hatching and there are six copepodid stages similar to. A new species of lophoura family sphyriidae is described from a single. Distribution of lernaea cyprinacea on different parts of the body of tilapia of the nile oreochromis niloticus this graph shows that the region near the dorsal fin base was the most infested by these copepods which recorded the presence of 78 lernaea. Morphogenesis of the gut in the nauplius stages of the parasitic copepod lernaea cyprinacea article pdf available in italian journal of zoology 593. Lernaea cyprinacea linnaeus, 1758 carassius carassius. Study area sampling was carried out at the experimental fish culture station of the higher institute of technology education iset, which is located on the banks of the senegal river in the.
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