Biology of anchor worms (Lernaea cyprinacea)

Hossain, Md. Mer Mosharraf; Ferdoushi, Jannatul; Rupom, Ariful Haque

doi:10.22271/j.ento.2018.v6.i1m.3047

Cited by 25 publications

(30 citation statements)

References 3 publications

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“…Regardless of this limitation, our experimental infection results correspond to those by Yashouv, which indicates that the observed anchor shape change of L. cyprinacea specimens when parasitizing on Gambusia was not an outlier. However, the specimen which had intermediate morphological characteristics between L. cyprinacea and L. cruciata in our study, and a L. cyprinacea specimen obtained from mosquitofish in the field [44], suggest that L. cyprinacea specimens infecting mosquitofish may exhibit three morphotypes: typical morphological features of L. cruciata ; intermediate morphological characteristics; and typical morphological features of L. cyprinacea.…”

Section: Discussionmentioning

confidence: 97%

“…Lernaea spp. infestations of mosquitofish had been reported from Bangladesh [44], Turkey [43, 45] and China [24]. Lernaea cyprinacea specimens from Bangladesh [44] were found to exhibit a typical L. cyprinacea morphology, whereas specimens from Turkey [45] morphologically better corresponded to L. cruciata .…”

Section: Discussionmentioning

confidence: 99%

“…infestations of mosquitofish had been reported from Bangladesh [44], Turkey [43, 45] and China [24]. Lernaea cyprinacea specimens from Bangladesh [44] were found to exhibit a typical L. cyprinacea morphology, whereas specimens from Turkey [45] morphologically better corresponded to L. cruciata . Razavi et al [46] investigated an infection on the Farsi toothcarp ( Aphanius farsicus ) and found that the collected Lernaea specimens morphologically best corresponded to L. cruciata , which led them to speculate that L. cruciata may have been translocated into the Maharlou Lake Basin by mosquitofish.…”

Section: Discussionmentioning

confidence: 99%

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Morphology is not a reliable taxonomic tool for the genus Lernaea: molecular data and experimental infection reveal that L. cyprinacea and L. cruciata are conspecific

et al. 2019

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BackgroundSpecies belonging to the genus Lernaea are cosmopolitan parasites that can infect many different freshwater fish hosts. Due to a high degree of morphological intraspecific variability and high levels of interspecific similarities, their classification is extremely difficult and controversial. Although the suitability of the shape of cephalic horns has been questioned decades ago by some experimental infection studies, this character still plays the central role in the identification of Lernaea spp.MethodsWe used the nominal species Lernaea cyprinacea and Lernaea cruciata to test the hypothesis that the shape of the anchor can exhibit host-induced morphological variability, and that the two taxa may be synonymous.ResultsWe examined 517 wild or farmed specimens of five host fish species (four cyprinids and a mosquitofish), and found that all 16 parasite specimens collected from mosquitofish could be morphologically identified as L. cruciata, whereas the remaining 25 parasite specimens were all identified as L. cyprinacea. We experimentally infected goldfish and mosquitofish specimens with offspring (copepodids) of a single L. cyprinacea specimen: the adult parasites from goldfish were morphologically identified as L. cyprinacea, and those from mosquitofish as L. cruciata. We then used molecular data to corroborate that all these specimens are conspecific.ConclusionsOur results suggest that L. cyprinacea and L. cruciata may be synonyms, misidentified as different species as a result of host-induced morphological variation. Given the current shortage of molecular data for the genus Lernaea, in order to resolve the taxonomy of this genus (determine the exact number of species), future studies should aim to sequence as much molecular data as possible, and conduct further experimental infections.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Morphology is not a reliable taxonomic tool for the genus Lernaea: molecular data and experimental infection reveal that L. cyprinacea and L. cruciata are conspecific

et al. 2019

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“…Lernaea, known as "anchor worms," is a crustacean that can infect and cause disease and death in many freshwater ish species, particularly wild species that are caught and reared, the most common in the summer months and more common in stagnation or slow movement of water bodies. There are approximately 110 species of Lernaea cyprinacea, one of the most common species around the world especially in common carp and golden ish; however, it can infect other species of ish and cause the death of cat ish in ponds in the state Arkansas (Hossain et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Study of the effect of Nerium oleander extract in the destruction of Argulus foliaceus and Lernaea cyprinacea in ornamental fish

Al-zayyadi

2019

ijrps

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The effect of the extract of the Nerium oleander was studied on ornamental fish in vivo and in vitro, Using different concentrations and different periods. The results of the current study showed that the destruction of Argulus foliaceus in 50 g / 5 ml and 0.25 g / 5 ml of water after 62 and 135 minutes respectively when using the extract directly on the lice (in vitro), Lernaea cyprinacea was tested in the fish. The results of the study showed that Lernaea cyprinacea was destruction at a concentration of 50 mg/L after 15 minutes but did not affect lice, The results of the study showed that fish were cured from lice after one month of treatment at 33.33 mg/L for 72 consecutive hours. When fish were placed at 50/1500 g/L of the extract, they were treated from lice but caused the fish to die after 15 minutes after placing in a pure water bath.

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“…The natural forage base of ponds in the fish farms of the Lviv region, Ukraine ____________________________________________________________________________________________ high efficiency of prevention and treatment be achieved and, as a consequence, a reduction in fisheries losses (Abdullaev, 2011;Hossain et al, 2018).…”

mentioning

confidence: 99%

The natural forage base of ponds and its influence on the development of ectoparasitic invasions in the fish farms of the Lviv region, Ukraine

Yurii¹,

Yevheniia²,

Bohdan³

et al. 2020

Egypt. J. of Aquatic Biolo. and Fish.

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Biology of anchor worms (Lernaea cyprinacea)

Cited by 25 publications

References 3 publications

Morphology is not a reliable taxonomic tool for the genus Lernaea: molecular data and experimental infection reveal that L. cyprinacea and L. cruciata are conspecific

Morphology is not a reliable taxonomic tool for the genus Lernaea: molecular data and experimental infection reveal that L. cyprinacea and L. cruciata are conspecific

Study of the effect of Nerium oleander extract in the destruction of Argulus foliaceus and Lernaea cyprinacea in ornamental fish

The natural forage base of ponds and its influence on the development of ectoparasitic invasions in the fish farms of the Lviv region, Ukraine

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