Parasitic fauna of farmed freshwater ornamental fish in the northwest of Iran

Rahmati‐Holasoo, Hooman; Marandi, Amin; Mousavi, H A Ebrahimzadeh; Mirghaed, Ali Taheri

doi:10.1007/s10499-021-00832-0

Cited by 11 publications

(11 citation statements)

References 52 publications

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“…In Iran, metazoan nematode Capillaria sp. has been isolated from discus (Symphysodon aequifasciatus) (Rahmati-Holasoo et al 2010) and angelfish (Pterophyllum scalare) (Rahmati-Holasoo et al 2022). Far greater documented reports of internal parasitic infections caused by Capillaria sp.…”

Section: Discussionmentioning

confidence: 99%

“…is a well-known parasite which can infect both marine and freshwater ornamental fish (Moravec, Orecchia, and Paggi 1988). As with all parasites which have a direct life cycle and do not need an intermediate host, these fast-spreading spawning nematodes represent one of the most problematic parasites (Wildgoose and British Small Animal Veterinary Association 2001), and are capable of inducing significant mortalities in various freshwater ornamental fish species such as cichlids due to the intestinal invasions (Wildgoose and British Small Animal Veterinary Association 2001;Moravec, Orecchia, and Paggi 1988;Rahmati-Holasoo et al 2022). Adult worms often settle in the lumen of the small intestine.…”

Section: Discussionmentioning

confidence: 99%

“…However, there is still a great global demand for ornamental fish species that are difficult to breed. In recent decades, the trade, culturing and breeding of ornamental fish has made significant progress in Iran, and has been met with a great response from enthusiasts after being introduced as an economic and profitable profession (Mood et al 2010;Marandi 2020, 2021;Rahmati-Holasoo et al 2022). Currently, more than 150 species of freshwater ornamental fish are bred successfully in Iran.…”

Section: Introductionmentioning

confidence: 99%

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Isolation and identification of Capillaria sp. in ornamental green terror (Andinoacara rivulatus Günther, 1860) farmed in Iran

Rahmati‐Holasoo

Marandi

Mousavi

et al. 2022

Bulletin of the European Association of Fish Pathologists

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Green terror (Andinoacara rivulatus) is one of the most popular freshwater ornamental fish of the Cichlidae, which is commonly bred and cultivated in Iran. The aim of this study was to investigate the main cause of green terror mass losses in an ornamental fish breeding center in Nazarabad, Alborz province. Following chronic and continuous losses of mature green terrors with clinical signs including white feces hanging from the anus, the fish were sampled between June 2021 and July 2021. The fish were packed in water-filled polyethylene bags and transported to the Ornamental Fish Clinic, Faculty of Veterinary Medicine, University of Tehran. In macroscopic examinations, cachexia and paleness of the fish were evident. In order to investigate ectoparasitic infestations, wet smears were prepared from skin and gills, and examined under a light microscope. However, no parasitic infection was observed. In addition, the fish were euthanised, necropsied, and internal organs such as the intestine were examined. Microscopic examination of the intestine showed a heavy infection with mature Capillaria sp. and the barrel-shaped eggs. In the present study, the severity of Capillaria infection was very high and determined to be the main cause of losses. In order to treat the other fish in the population, levamisole was administered for 48 h every 7 days for 28 days. After re-examination, fish losses completely stopped, and no infection was observed after 28 days.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Isolation and identification of Capillaria sp. in ornamental green terror (Andinoacara rivulatus Günther, 1860) farmed in Iran

Rahmati‐Holasoo

Marandi

Mousavi

et al. 2022

Bulletin of the European Association of Fish Pathologists

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“…Ornamental fish farming is a significant sector of the aquaculture industry in many countries (Tlusty, 2002; Rahmati‐Holasoo et al, 2022). Cultivation and propagation of ornamental fishes have been increasing in the last 20 years in Iran.…”

Section: Introductionmentioning

confidence: 99%

Basal cell carcinoma in an albino pindani (Chindongo socolofi) and a cobalt‐zebra (Maylandia callainos): Diagnostic imaging, clinical and histopathological study

Shokrpoor

Rahmati‐Holasoo

Soroori

et al. 2022

Journal of Fish Diseases

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A female albino pindani (Chindongo socolofi) and female cobalt‐zebra (Maylandia callainos) were referred to the Ornamental Fish Clinic with a soft tissue mass on their upper jaw. Also, during clinical examination, an unencapsulated intraoral soft tissue mass was observed in the cobalt‐zebra cichlid. Digital radiography showed soft tissue masses and osteolytic lesions. Computed tomography (CT) imaging confirmed that osteolytic lesions occurred in skull bones of cobalt‐zebra. Also, soft tissue mass invaded to the intraoral space. Histopathologically, a non‐encapsulated, multilobulated and densely cellular neoplastic mass was identified. Extensive infiltration of neoplastic cells to the dermis and subcutaneous tissue was observed in both cases. The masses were composed of multiple coalescing nests, sheets, lobules and trabeculae of neoplastic cells within a fibrovascular stroma. The palisading basaloid neoplastic cells were markedly extended from the basal cells of the epidermis into the dermis and subcutis. The majority of the neoplastic cells had scant amounts of eosinophilic cytoplasm with indistinct margins, round to ovoid nuclei and typically a single small basophilic nucleolus. There was invasion of basaloid neoplastic cells into the bone tissue that caused osteolytic lesions. Mitotic figures were three to seven per high‐power field. Epidermal basement membrane was periodic acid‐Schiff (PAS) positive and neoplastic cell extension into the dermis was identified by the PAS staining. Fibrovascular stroma of the mass was also stained blue with Masson's trichrome. Based on histopathological and histochemical findings, the masses were diagnosed as infiltrative type of basal cell carcinoma (BCC).

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“…Aquaculture of food fish is considered a major sector of the aquaculture industry (De silva, 2012 ; Rahmati‐Holasoo et al., 2022b ; Subasinghe et al., 2009 ). Iran is one of the most important producers of freshwater rainbow trout (Ahmadivand et al., 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Phylogenetic analysis and genotyping of Iranian infectious haematopoietic necrosis virus (IHNV) of rainbow trout (Oncorhynchus mykiss) based on the glycoprotein gene

Kafi

Ghalyanchilangeroudi

Nikaein

et al. 2022

Veterinary Medicine & Sci

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Background: Infectious haematopoietic necrosis (IHN) is known as one of the most contagious systemic viral diseases in salmonids which can lead to significant mortality rates and negative impacts on the salmonid farming industry. Infectious haematopoietic necrosis virus (IHNV) was first detected in rainbow trout (Oncorhynchus mykiss) farms in Iran in 2003. Objectives: We conducted the present study to determine the detection of IHN genotypes in rainbow trout (O. mykiss) in farms in the central parts of Iran, using molecular and phylogenetic techniques.Methods: Samples were collected from fries exhibiting clinical signs such as darkening of the skin, abdominal swelling, and loss of appetite. Phylogenetic analysis was performed by the neighbour-joining method, using MEGA 5.1 software. For phylogenetic analysis and genotyping of IHNV from central parts of Iran, the sequences of the glycoprotein gene were determined for two Iranian isolates (Jahad-UT1 and Jahad-UT2).Results: Phylogenetic analysis revealed that the detected strains (Jahad-UT1 and Jahad-UT2 isolates) are closely related (97.23%-100%) to European isolates within genogroup 'E' . Conclusions:This finding indicates that Jahad-UT1 and Jahad-UT2 isolates have been widely transferred to Iran from European countries. Moreover, the nucleotide diversity of these Iranian isolates showed a close relationship with the North American and Asian isolates, although the Iranian isolates were collected from a smaller geographical area and within a shorter time period between 2014 and 2015.

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Parasitic fauna of farmed freshwater ornamental fish in the northwest of Iran

Cited by 11 publications

References 52 publications

Isolation and identification of Capillaria sp. in ornamental green terror (Andinoacara rivulatus Günther, 1860) farmed in Iran

Isolation and identification of Capillaria sp. in ornamental green terror (Andinoacara rivulatus Günther, 1860) farmed in Iran

Basal cell carcinoma in an albino pindani (Chindongo socolofi) and a cobalt‐zebra (Maylandia callainos): Diagnostic imaging, clinical and histopathological study

Phylogenetic analysis and genotyping of Iranian infectious haematopoietic necrosis virus (IHNV) of rainbow trout (Oncorhynchus mykiss) based on the glycoprotein gene

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