During rounds at our facility, argulus japonicus was collected from the caudal and anal fins of 3 goldfish carassius auratus. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader. A new species of argulus crustacea, branchiura, argulidae from the skin of catfish, with new records of branchiurans from wild fish in the brazilian pantanal wetland. The host preference and impact of argulus japonicus. Argulidae was collected from the body surface of the rosy bitterling rhodeus ocellatus from kumamoto prefecture, kyushu, japan. Lack of host species selection by the exotic parasitic crustacean, argulus japonicus. Apr 02, 2015 argulus spp can be a major threat to fish health, because heavy infestations can cause significant morbidity and mortality. All crustaceans, including argulus, develop and grow through a complex series of molts i. If you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. The ultrastructure of the cells of the digestive system of argulus japonicus is described with the use of transmission electron microscopy. The present study represents the first record of a.
More than 100 different species of argulus are distributed worldwide. Walker pd et al argulus survival and viability 829 contrast to a. One useful tool for studying argulus and other invertebrates is scanning electron microscopy sem, which allows one to observe minute details of an organisms exterior structure see photo of a. The effect of a fish medication on argulus japonicus, a. Argulus is a genus of fish lice in the family argulidae. Fish lice argulus spp are members of a large group of branchiuran crustaceans that infest and cause disease in fish. This is the first observation of a spermatophore in argulus. Infection with argulus japonicus on amur catfish silurus. The japanese fish louse argulus japonicus new for the netherlands. The digestive system of larval argulus japonicus branchiura.
The fine structure and function of the cephalic appendages of. Mixed infection of argulus japonicus and argulus siamensis branchiura, argulidae in carps pisces, cyprinidae. The japanese fish louse argulus japonicus new for the. Currently, i am undertaking a taxonomic revision of the genus argulus and related genera because these parasites are often difficult to identify with keys and other literature available at present. Argulus japonicus thiele, 1900 references edit pilgrim, r. Samples of cultured and wild fish were collected randomly from july 2010 to march 20, using angling, longlining, gillnetting, and trapping from rivers and fish farms in. All structured data from the file and property namespaces is available under the creative commons cc0 license. The parasitic copepods argulus and lernaea attach themselves to the body of the fish, with their body buried into the scale pockets and with paired egg sacs protruding free. Argulus japonicus parasitizes the introduced channel catfish ictalurus punctatus in tichigan lake, which adjoins the fox river in wisconsin as part of the lake michigan drainage system. However, the epithelial cells lining the midgut of newly hatched.
Branchiura has recently been introduced into britain and is now established in the wild. Files are available under licenses specified on their description page. Muller, 1785 contains about 129 valid species that occur in marine, estuarine, and freshwater habitats. The branchiuran parasite argulus japonicus crustacea. It is possible that furan2 inhibits microorganisms that otherwise would attack a. This study aimed to demonstrate the ability of argulus japonicus to infect a wide range of freshwater fishes, as well as to understand the effects of fish origin and host body size on the incidence of a. The image of infected leukocytes infested by argulus japonicus were 8. Argulus japonicus, common name japanese fishlouse or japanese fish louse, is a species of crustaceans in the family argulidae, the fish lice. Fish lice argulus japonicus in goldfish carassius auratus.
However, it is most typically found on carassius auratus and cyprinus carpio in drainages in the united states amin 1981. Pengaruh pemberian garam nacl terhadap kerusakan telur. Analysis of genetic variability within argulus japonicus from. Hatching started after 6110 days in a temperature span of 1535 c. Nov 01, 2006 the digestive system of first stage argulus japonicus larvae is described following reconstruction from serial sections.
Changes of histopathology on host were congestion, baoning degeneration, epithelium erosion and inflammatory cell infiltration. Light micrograph of a female specimen of argulus japonicus cleared in lactic acid. Sperm transfer by means of a spermatophore on carassius auratus l. Branchiurans are dorsoventrally compressed with a circular to oval shieldlike carapace, four pairs of swimming thoracic legs, and an unsegmented posterior abdomen fig. Iec 6101 pdf purchase your copy of bs en as a pdf download or hard international relationships, en iec,iec. Argulus has a direct life cycle, meaning it only requires one host the fish to completely develop from an egg to a mature, reproducing adult. Sperm transfer by means of a spermatophore on carassius auratus l article pdf available in experimental parasitology 1262. Lack of host species selection by the exotic parasitic. The effect on argulus japonicus of furan2, a medication for fish, was tested in three trials.
South africa 1833 620 539 argulus foliaceus l 1162006 utterslev mose, n. Specimens of argulus japonicus were collected from the vaal dam in south africa and fixed in todds. Pdf the ultrastructure of the digestive cells of argulus. It consists of an esophagus, esophageal funnel, anterior midgut crop, midgut diverticula, posterior midgut intestine and a hindgut. First maxillae suction discs in branchiura crustacea.
Pdf prevalence of crustacean parasite argulus japonicus. Find the most uptodate version of iec at engineering. The digestive system of first stage argulus japonicus larvae is described following reconstruction from serial sections. Argulus foliaceus or monoculus foliaceus linnaeus, 1758 name is a species of crustaceans in the family argulidae, the fish lice. Six different sequences from a portion of the cox1 gene pcox1 and a portion. Prevalence of crustacean parasite argulus japonicus in cultivable carp fishes in tarai region of uttarakhand, india. Jan 01, 2012 read mixed infection of argulus japonicus and argulus siamensis branchiura, argulidae in carps pisces, cyprinidae. The effect of temperature on development time and hatching yielded an inverse exponential function. Pdf the developmental sequence of argulus foliaceus. Branchiura from africa, middle east, and asia by polymerase chain reaction in three mitochondrial dna mtdna regions, namely, cytochrome c oxidase subunit 1 cox1 and nadh dehydrogenase subunits 1 and 4 nad1 and nad4. Parasitism of argulus japonicus in cultured and wild fish of. Pdf hosted at the radboud repository of the radboud.
New host and distribution records for the freshwater fish. Opportunistic parasitism in argulus japonicus branchiura in. Laying, development and hatching of eggs of the fish. The fish parasite argulus japonicus thiele crustacea. In addition, fish lice are known to be the vehicle for other fish diseases. Argulus carp lice, lernaea, and ergasilus, belonging to the class crustacea, are considered important ectoparasites on fishes.
Pdf the japanese fish louse argulus japonicus new for. The branchiuran parasite argulus japonicus crustacea, branchiura, argulidae was collected from the body surface of amur catfish silurus asotus reared in an aquarium. Pdf the japanese fish louse argulus japonicus new for the. Japanese fishlouse argulus japonicus species profile. Sperm transfer by means of a spermatophore on carassius auratus l article pdf available. Aspects of the reproductive biology of argulus japonicus and.
Light micrograph of a male specimen of argulus japonicus cleared in lactic acid. This species is light brown in colour and may be between 4 and 9 mm long and 3 to 6 mm wide. Mixed infection of argulus japonicus and argulus siamensis. Perubahan histopatologi jaringan kulit ikan komet carassius. Abstract argulus japonicus being parasite with blood sucking the host, do infestations by piercing the. This study investigated the genetic variability within fish louse argulus japonicus crustacea.
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