First published record of the pathogenic mono-genean parasite Neobenedenia melleni (Capsalidae) from Australia

Deveney, Marty R.; Chisholm, Leslie A.; Whittington, Ian D.

doi:10.3354/dao046079

Cited by 63 publications

(50 citation statements)

References 14 publications

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“…This disarray is exacerbated further because MacCallum (1927) pooled adult specimens of N. melleni from different host fish species on the same microscope slides making it impossible to resolve the question: what is N. melleni? Unfortunately, subsequent outbreaks and reports of a capsalid species identified as N. melleni on teleosts from many localities worldwide have not been accompanied by voucher specimens lodged in museums for verification (Whittington andHorton 1996, p. 1126), except for the studies by Kaneko et al (1988), Bullard et al (2000b) and Deveney et al (2001).…”

Section: Neobenedenia Mellenimentioning

confidence: 99%

“…If E. soleae is a famous capsalid, then Neobenedenia melleni is infamous as a widespread pathogen of many teleost species in aquaria and aquaculture (e.g. see Deveney et al 2001). Most Monogenea are legendary for their strict host-specificity (e.g.…”

Section: An Overview Of the Capsalidaementioning

confidence: 99%

“…Kaneko et al 1988), but this requires substantiation. If outbreaks of N. melleni in aquaculture are included, its distribution extends west across the Pacific Ocean to Hawaii (Kaneko et al 1988), Japan (as N. girellae, synonymised with N. melleni by Whittington and Horton 1996), an aquaculture station in Bali (Koesharyani et al 1999) and the east coast of Australia (Deveney et al 2001). Neobenedenia melleni is also reported from a cichlid, a coryphaenid and a sparid in the Red Sea in culture facilities of the National Center for Mariculture in Eilat, Israel (Colorni 1994).…”

Section: Neobenedenia Mellenimentioning

confidence: 99%

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The Capsalidae (Monogenea: Monopisthocotylea): a review of diversity, classification and phylogeny with a note about species complexes

Whittington¹

2004

FOLIA PARASIT

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Abstract. The Capsalidae are monogeneans parasitizing 'skin', fins and gills of marine fishes. Some capsalids are pathogenic to cultivated fish and a few have caused epizootic events. It is a cosmopolitan family with broad host associations (elasmobranchs and teleosts, including sturgeons). Approximately 200 capsalid species are placed in nine subfamilies and 44-46 genera, some of which are well known (Benedenia, Capsala, Entobdella, Neobenedenia). Sturgeons host two capsalid species (Nitzschiinae) and 15 species in five genera are reliably reported from elasmobranchs. The combination of ancient (shark, ray, sturgeon) and modern (teleost) host fish lineages indicates that capsalid evolution is likely a blend of coevolution and host-switching, but a family phylogeny has been lacking due to deficient knowledge about homologies. The current phenetic subfamilial classification is discussed in detail using a preliminary phylogeny generated from large subunit ribosomal DNA sequence data from representatives of five subfamilies. Monophyly of the Capsalidae is supported by possession of accessory sclerites. Hypotheses are proposed for the possible radiation of capsalids. A suggestion that Neobenedenia melleni, a pathogenic species atypical due to its broad host-specificity (>100 host teleost species from >30 families in five orders), may be a complex of species is supported from genetic evidence. This may explain peculiarities in biology, taxonomy, host associations and geographic distribution of N. 'melleni' and has implications for fish health. Holistic studies using live and preserved larval and adult capsalid specimens and material for genetic analysis are emphasised to further determine identity, phylogeny and details of biology, especially for pathogenic species.

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Section: Neobenedenia Mellenimentioning

confidence: 99%

Section: An Overview Of the Capsalidaementioning

confidence: 99%

Section: Neobenedenia Mellenimentioning

confidence: 99%

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The Capsalidae (Monogenea: Monopisthocotylea): a review of diversity, classification and phylogeny with a note about species complexes

Whittington¹

2004

FOLIA PARASIT

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“…Deveney et al (2001) described an outbreak of Neobenedenia elleni (MacCallum, 1927) parasitizing Lates calcarifer in Australian waters that resulted in the loss of 200,000 fish due to secondary infection. This parasite has been found in many species of ornamental marine fish and sea farming in different countries, thus demonstrating its low specificity to the hosts (BULLARD et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

First record of Neobenedenia melleni (Monogenea: Capsalidae) in sea-farmed cobia (Rachycentron canadum) in Brazil

Kerber

Sanches

Santiago

et al. 2011

Rev. Bras. Parasitol. Vet.

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Neobenedenia melleni (MacCallum, 1927) (Monogenea) is a widespread pathogen in marine teleost cultures all over the world. The present paper reports this parasite species in farmed cobia (Rachycentron canadum) in Brazil, for the first time. Some comments on preventive actions for avoiding the disease are made.Keywords: Mariculture, pathogens, ectoparasites. ResumoNeobenedenia melleni (MacCallum, 1927) (Monogenea) é um patógeno amplamente distribuído em cultivo de teleósteos marinhos no mundo. Este estudo relata pela primeira vez essa espécie de parasito em cultivo de cobia, Rachycentron canadum, no Brasil. Comentários sobre prevenção para evitar a doença são discutidos.Palavras-chave: Maricultura, patógenos, ectoparasitos.Research relating to sea-farmed cobia (Rachycentron canadum Linnaeus, 1766) has been increasing recently. The great growth potential of cobia, their easy adaptability and ability to breed in captivity, excellent meat quality and carcass utilization, among other attributes, have induced rapid growth of cobia farming all over the world (CHANG et al., 2007). However, one of the main limitations affecting cobia culture is the diseases caused by helminth ectoparasites (monogeneans) (LIAO et al., 2004), especially Neobenedenia species (OGAWA et al., 2006).Infestations by ectoparasites in farmed fish have been recorded since the late 1950s (OGAWA et al., 1995). Deveney et al. (2001) described an outbreak of Neobenedenia elleni (MacCallum, 1927) parasitizing Lates calcarifer in Australian waters that resulted in the loss of 200,000 fish due to secondary infection. This parasite has been found in many species of ornamental marine fish and sea farming in different countries, thus demonstrating its low specificity to the hosts (BULLARD et al., 2003). In Brazil, Sanches and Vianna (2007) Capsalid monogeneans have a monoxenic, short life cycle, which allows epizootic outbreaks especially in hosts subjected to high stocking densities (THONEY; HARGIS JUNIOR, 1991). It has been demonstrated that water temperature influences the growth, maturity, egg production and infestation levels of Neobenedenia species (HIRAZAWA et al., 2010). These parasites feeds on mucus and epithelial cells of the host, which leads to changes in fish behavior: they drag their bodies against a substrate, such as net cages, thereby causing injuries culminating in secondary infections. Parasitized fish presents lesions in the cornea and skin, blindness, weakness, loss of appetite, hemorrhage, mucus hypersecretion and death due to secondary infections (OGAWA et al., 1995;HIRAYAMA et al., 2009). Our purpose in this paper was to document the first occurrence of capsalid monogeneans in cobia (R. canadum) farmed in Brazil. We have also suggested procedures that can be adopted for disease prevention.Ten juvenile specimens of R. canadum, with mean weight 317 ± 155 g, coming from floating net cages of a marine farm in Ilhabela, São Paulo, Brazil, were sent to our laboratory in March 2010, for diagnostic purposes. The fish were stocked ...

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“…Pseudodactylogyrosis became a permanent problem in Danish recirculation systems (Buchmann, 1988a,b), and histopathological studies of this infection showed a similar picture to that found in Dactylogyrus and Thaparocleidus infections (Buchmann, 2012). Therefore, it is no surprise that in the intensive cage culture of barramundi (Lates calcarifer Bloch) the first pathogen hampering the propagation of this fish was precisely a monogenean species, Neobenedenia melleni (MacCallum, 1927) (Deveney et al, 2001). Due to the rapid development of marine cage culture systems and the intensive culture of some freshwater species, a whole series of infections caused by different monogenean species has been reported recently (GonzalezLanza et al, 1991;Roubal, 1995;Dezfuli et al, 2007;Sitja-Bobadilla and Alvarez-Pellitero, 2009;Merella et al, 2009;Del Rio-Zaragoza et al, 2010;Yardimci and Pekmezci, 2012;Jerônimo et al, 2014).…”

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confidence: 99%

Histological investigation on Ancyrocephalus paradoxus (Dactylogyridea: Ancyrocephalidae) infection causing mortalities in an intensively cultured pikeperch [Sander lucioperca (L.)] stock

Molnár

Szilágyi²,

Mosonyi³

et al. 2016

Acta Veterinaria Hungarica

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In a cultured pikeperch (Sander lucioperca) stock the monopisthocotylean monogenean gill parasite Ancyrocephalus paradoxus caused heavy infection and mortalities. The gills of the affected fish specimens were infected by 50 to 800 monogenean parasites. Severe pathological changes were found in areas where the worms attached to the gills. At the attachment sites the haptoral discs of the worms formed a deep depression in the epithelium of the filaments, and the anchors pierced into and fixed themselves to the connective tissue of the cartilaginous gill rays. At these attachment sites red blood cells released from injured capillaries were found among the damaged epithelial cells. Around the hooks, anchors and body sections coming into contact with the gill filaments a proliferative tissue developed in which only a remnant of the damaged lamellae was found. Due to the damage caused by the worms the tips of the heavily infected gill filaments fused, formed clubs and were composed of epitheloid-type regeneration tissue lacking respiratory lamellae. In the basal parts of the filaments, where most of the worms attached to the gill, only denuded filaments deprived of lamellae were observed among the cross-sectioned worms in histological sections.

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First published record of the pathogenic mono-genean parasite Neobenedenia melleni (Capsalidae) from Australia

Cited by 63 publications

References 14 publications

The Capsalidae (Monogenea: Monopisthocotylea): a review of diversity, classification and phylogeny with a note about species complexes

The Capsalidae (Monogenea: Monopisthocotylea): a review of diversity, classification and phylogeny with a note about species complexes

First record of Neobenedenia melleni (Monogenea: Capsalidae) in sea-farmed cobia (Rachycentron canadum) in Brazil

Histological investigation on Ancyrocephalus paradoxus (Dactylogyridea: Ancyrocephalidae) infection causing mortalities in an intensively cultured pikeperch [Sander lucioperca (L.)] stock

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