Fulltext – A Note on Lernaea Cyprinacea (Crustacea, Copepoda, Lernaeidae) Parasitizing the Cultured Sailfin Molly Poecilia latipinna and Their Control with. Approximately species of lernaeids (Lernaea and Lernaea-like parasites) have been described. Lernaea cyprinacea, one of the more common species. Life history study on Lernaea cyprinacea showed that the first copepodid stage appeared 3–4 days after hatching and there are six copepodid stages similar to.

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Photoreceptors are also generally present. Infestations with Lernaea are most prevalent in the summer months and occur more commonly in stagnant or slow-moving water bodies.

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Lernaea cyprinacea eggs hatch in days. While the organism is in its free-swimming stages of life, its legs are well developed to aid with swimming. Among the exotic fish varieties identified in the domestic market of India, Poecilids like sailfin molly Poecilia latipinnaswordtail Xiphophorus helleriguppy Poecilia reticulata and platy Xiphophorus maculatus contribute for fifty percent of the market share Elamparithy, ; Mahapatra et al.

The oviposition and hatchability of the few Boophilus microplus that complete their lifecycle on the doramectin treated cattle were severely reduced Gonzales et al. This ability of doramectin, which is detrimental to the development and reproductive potential of the parasite, can possibly be utilized to develop prophylactic strategies where animals can be treated in a manner that limits the contamination of aquatic environment.


This tooth carp is very easy to breed with minimal water holding facilities and limited labour costs Ramachandran, Segment one has an inner papilla that contains a small seta, while segment two has five strong claws. Wounds, loss of pigmentation and erosion of fins were observed on the site of kernaea parasite settlement. The primary mode of action of avermectins is to modulate the chloride ion channel activity in the nervous system of nematodes and arthropods.

All of the copepods were found in fresh-water and flood lakes chprinacea, never in saltier neighboring lakes. Copepodids have been found on the gills of other fishes, such as African catfish Bagrus spp.

Lernaea cyprinacea

A Southeast Lernqea Perspective. Besides that, normally, the male frequently chased the female for mating. Parasitic Copepoda and Branchiura of Fishes. Aquaculture Foundation of India, 1: Magnified view of the dorsal area of the treated fish during recovery.

The farmers are unable to sell lerneaa sick fish, and lose a great amount of money. Baur, Biogeographic Regions indian ocean native atlantic ocean native pacific ocean native Habitat These parasites live in freshwater habitats.

In view of these observations, there is an urgent need to study the patterns of parasitic infection in culture systems subsequent upon introduction of any new fish species.

Results Susceptibility of L. Therapeutic and persistent efficacy of doramectin against Dermatobia hominis in cattle.

Lernaea cyprinacea

In the present study only P. This appears to be the first introduction of P. Throughout its development certain parts of the parasite grow, while other parts cy;rinacea inhibited or even reduced in development.


Seven numbers of P. Please consider upgrading your browser to the latest version or installing a new browser.

WoRMS – World Register of Marine Species – Lernaea cyprinacea Linnaeus,

After eating away the scale of the fish, it enters the internal tissues. This paper is the first documented report of infection on cultured P. Crustacea as Enemies of Fishes.

This is the first report on their occurrence in the cultured ornamental fish P. Most of the parasites were fixed cypribacea the midbody region and at the base of the dorsal fin at initial stages.

The species was identified as L. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. Cypdinacea this method, some control has been established Gurney Intense focal inflammation and hemorrhage can occur at the attachment site, making the area appear red and ulcerated.

Berkeley and Los Angeles: Baur, ; Yamaguti, Impacts of fish introductions in tropical Asia and America.

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