Lack of host species selection by the exotic parasitic crustacean, argulus japonicus. Lack of host species selection by the exotic parasitic. 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. Opportunistic parasitism in argulus japonicus branchiura in. Muller, 1785 contains about 129 valid species that occur in marine, estuarine, and freshwater habitats. The image of infected leukocytes infested by argulus japonicus were 8. Argulus foliaceus or monoculus foliaceus linnaeus, 1758 name is a species of crustaceans in the family argulidae, the fish lice. Light micrograph of a male specimen of argulus japonicus cleared in lactic acid. Mixed infection of argulus japonicus and argulus siamensis. 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. Apr 02, 2015 argulus spp can be a major threat to fish health, because heavy infestations can cause significant morbidity and mortality.
Fish lice argulus spp are members of a large group of branchiuran crustaceans that infest and cause disease in fish. Argulus japonicus, common name japanese fishlouse or japanese fish louse, is a species of crustaceans in the family argulidae, the fish lice. Prevalence of crustacean parasite argulus japonicus in cultivable carp fishes in tarai region of uttarakhand, india. Find the most uptodate version of iec at engineering. The japanese fish louse argulus japonicus new for the. This is the first observation of a spermatophore in argulus. Aspects of the reproductive biology of argulus japonicus and. The effect of temperature on development time and hatching yielded an inverse exponential function. First maxillae suction discs in branchiura crustacea. Argulus is a genus of fish lice in the family argulidae. All structured data from the file and property namespaces is available under the creative commons cc0 license.
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. 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. The fish parasite argulus japonicus thiele crustacea. This species is light brown in colour and may be between 4 and 9 mm long and 3 to 6 mm wide. Analysis of genetic variability within argulus japonicus from. Perubahan histopatologi jaringan kulit ikan komet carassius.
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. Infection with argulus japonicus on amur catfish silurus. Argulus carp lice, lernaea, and ergasilus, belonging to the class crustacea, are considered important ectoparasites on fishes. Specimens of argulus japonicus were collected from the vaal dam in south africa and fixed in todds.
The branchiuran parasite argulus japonicus crustacea. All crustaceans, including argulus, develop and grow through a complex series of molts i. Parasitism of argulus japonicus in cultured and wild fish of. Pengaruh pemberian garam nacl terhadap kerusakan telur. The ultrastructure of the cells of the digestive system of argulus japonicus is described with the use of transmission electron microscopy. Sperm transfer by means of a spermatophore on carassius auratus l article pdf available in experimental parasitology 1262. Japanese fishlouse argulus japonicus species profile. New host and distribution records for the freshwater fish.
Hatching started after 6110 days in a temperature span of 1535 c. Branchiura has recently been introduced into britain and is now established in the wild. Observations on the occurrence of the fish louse argulus japonicus thiele, 1900 in the western transvaal. Files are available under licenses specified on their description page.
The host preference and impact of argulus japonicus. More than 100 different species of argulus are distributed worldwide. Keywords argulus japonicus eggs, papaya seeds carica papaya bacillus licheniformis, streptomyces olivaceoviridis, saprolegnia sp, inhibition zone biodiesel, flash point, freeze point, viscosity, eucheuma denticulatum and sardinella oil carassius auratus auratus, argulus japonicus, hematologic chub mackerel, prevalence, anisakis simplex, and. Mixed infection of argulus japonicus and argulus siamensis branchiura, argulidae in carps pisces, cyprinidae. However, the epithelial cells lining the midgut of newly hatched.
The effect of a fish medication on argulus japonicus, a. During rounds at our facility, argulus japonicus was collected from the caudal and anal fins of 3 goldfish carassius auratus. Abstract argulus japonicus being parasite with blood sucking the host, do infestations by piercing the. 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. Sperm transfer by means of a spermatophore on carassius auratus l. The japanese fish louse argulus japonicus new for the netherlands. 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 fine structure and function of the cephalic appendages of.
It consists of an esophagus, esophageal funnel, anterior midgut crop, midgut diverticula, posterior midgut intestine and a hindgut. However, it is most typically found on carassius auratus and cyprinus carpio in drainages in the united states amin 1981. For the second part of this study, seven specimens of an unknown freshwater ectoparasitic crustacean were collected from red tilapia fish, kept for consumption at the langat fishing, seafood and beer garden restaurant. Walker pd et al argulus survival and viability 829 contrast to a.
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. Changes of histopathology on host were congestion, baoning degeneration, epithelium erosion and inflammatory cell infiltration. Sperm transfer by means of a spermatophore on carassius auratus l article pdf available. Light micrograph of a female specimen of argulus japonicus cleared in lactic acid. The morphology of the digestive tract is similar to adult branchiurans. Fish lice argulus japonicus in goldfish carassius auratus. 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. 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. Pdf the japanese fish louse argulus japonicus new for the. Argulus japonicus thiele, 1900 references edit pilgrim, r. The effect on argulus japonicus of furan2, a medication for fish, was tested in three trials. The digestive system of first stage argulus japonicus larvae is described following reconstruction from serial sections. It is possible that furan2 inhibits microorganisms that otherwise would attack a. In addition, fish lice are known to be the vehicle for other fish diseases.
Branchiurans are dorsoventrally compressed with a circular to oval shieldlike carapace, four pairs of swimming thoracic legs, and an unsegmented posterior abdomen fig. Pdf prevalence of crustacean parasite argulus japonicus. The present study represents the first record of a. 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 ultrastructure of the digestive cells of argulus. Pdf the developmental sequence of argulus foliaceus. Pdf hosted at the radboud repository of the radboud.
Six different sequences from a portion of the cox1 gene pcox1 and a portion. 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. Iec 6101 pdf purchase your copy of bs en as a pdf download or hard international relationships, en iec,iec. Lack of host species selection by the exotic parasitic crustacean argulus japonicus. Pdf the japanese fish louse argulus japonicus new for. This study investigated the genetic variability within fish louse argulus japonicus crustacea. Jan 01, 2012 read mixed infection of argulus japonicus and argulus siamensis branchiura, argulidae in carps pisces, cyprinidae.
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