Objective:To investigate the possibility of Aphanius dispar(A.dispar) acting as intermediate host for Clinostomum complanalum(C.complanalum),from Mehran River,Hormuzgan Province of Iran.Methods:During a biological stu...Objective:To investigate the possibility of Aphanius dispar(A.dispar) acting as intermediate host for Clinostomum complanalum(C.complanalum),from Mehran River,Hormuzgan Province of Iran.Methods:During a biological study of A.dispar in Mehran River,Hormuzgan Province,South of Iran,a total of 97 fish specimens were collected in 24 January 2006.Results: 4 specimens(4.12%) including 1 male and 3 female were found infected with C.complanalum metacercaria.These metacercaria were coiled in the epiderm on the body surface of infected fishes.The infection is known as yellow spot disease.The parasite abundance,intensity and prevalence were 0.03%,1.25%and 4.12%,respectively.The infection was higher in females than males.Conclusions:To the best of our knowledge,this is the first report on occurrence of C. complanatum metacercaria in A.dispar in Iran.展开更多
Objective:To determine the infection of Aphanius dispar(A.dispar)by Ichthyophthirius multifiliis(I.multifiliis)in Iran.Methods:A total of 97(22 males and 75 females)individuals were collected using dip net from Mehran...Objective:To determine the infection of Aphanius dispar(A.dispar)by Ichthyophthirius multifiliis(I.multifiliis)in Iran.Methods:A total of 97(22 males and 75 females)individuals were collected using dip net from Mehran River,Hormuzgan Province,South of Iran in January 2008.Total length,standard length and weight of the collected specimens were measured to using vernier caliper.Whole body of fish was examined macroscopically for the presence of any blister.For the detection of Ichthyophthirius,the mucus was scraped gently from skin onto a micro slide and stained by Azo-carmine.Prevalence,intensity and abundance of parasite were analyzed.Results:In this study 50(51.55%)specimens including 12 males and 38 females were found infected with I.multifiliis which is an obligate protozoan parasite of freshwater fishes with a direct life cycle and it causes weight loss and mortality in fishes.The infection is known as ichthyophthiriasis or white spot disease,one of the most serious diseases in freshwater fishes.Prevalence,intensity and abundance of parasite in female and male fishes were 50.67%,29.26,14.83 and 54.55%,18 and 9.82,respectively.No sex preference and predilection of body site as microhabitats for this parasite in A.dispar,as well as in three length groups of fish standard length ranging 18-23 mm,23-28 mm and 28-34 mm.However,prevalence and abundance are significantly increased in larger fish than smaller one.Conclusions:This is the first report of I.multifiliis(Fouquet,1876)from A.dispar in Iran and this fish is considered as a new host for the parasite.展开更多
文摘Objective:To investigate the possibility of Aphanius dispar(A.dispar) acting as intermediate host for Clinostomum complanalum(C.complanalum),from Mehran River,Hormuzgan Province of Iran.Methods:During a biological study of A.dispar in Mehran River,Hormuzgan Province,South of Iran,a total of 97 fish specimens were collected in 24 January 2006.Results: 4 specimens(4.12%) including 1 male and 3 female were found infected with C.complanalum metacercaria.These metacercaria were coiled in the epiderm on the body surface of infected fishes.The infection is known as yellow spot disease.The parasite abundance,intensity and prevalence were 0.03%,1.25%and 4.12%,respectively.The infection was higher in females than males.Conclusions:To the best of our knowledge,this is the first report on occurrence of C. complanatum metacercaria in A.dispar in Iran.
基金Supported by the Young Researchers Club,Islamic Azad University,Babol Branch.,(Grant NO.:BPJ1388).
文摘Objective:To determine the infection of Aphanius dispar(A.dispar)by Ichthyophthirius multifiliis(I.multifiliis)in Iran.Methods:A total of 97(22 males and 75 females)individuals were collected using dip net from Mehran River,Hormuzgan Province,South of Iran in January 2008.Total length,standard length and weight of the collected specimens were measured to using vernier caliper.Whole body of fish was examined macroscopically for the presence of any blister.For the detection of Ichthyophthirius,the mucus was scraped gently from skin onto a micro slide and stained by Azo-carmine.Prevalence,intensity and abundance of parasite were analyzed.Results:In this study 50(51.55%)specimens including 12 males and 38 females were found infected with I.multifiliis which is an obligate protozoan parasite of freshwater fishes with a direct life cycle and it causes weight loss and mortality in fishes.The infection is known as ichthyophthiriasis or white spot disease,one of the most serious diseases in freshwater fishes.Prevalence,intensity and abundance of parasite in female and male fishes were 50.67%,29.26,14.83 and 54.55%,18 and 9.82,respectively.No sex preference and predilection of body site as microhabitats for this parasite in A.dispar,as well as in three length groups of fish standard length ranging 18-23 mm,23-28 mm and 28-34 mm.However,prevalence and abundance are significantly increased in larger fish than smaller one.Conclusions:This is the first report of I.multifiliis(Fouquet,1876)from A.dispar in Iran and this fish is considered as a new host for the parasite.
