Morphotaxonomical description of six new species of acephaline gregarines infecting oligochaete host.

This communication deals with the morphology, taxonomy and life history of six new acephaline gregarines (Apicomplexa: Gregarinomorphea) of the genus Stein (1848), Hesse (1909), Gates (1926) and Cognetti de Martiis (1921) from oligochaete hosts. These are sp. nov.

New host and new geographical record of the ciliate parasites of ornamental fish, from Arunachal Pradesh for the first time in India.

Ornamental fish culture is growing to a prosperly in India. India earned lot amount of money from this business but unfortunately the ornamental fishes are facing lots of problem due to the parasitic infestation. While surveying, some ciliate parasites namely, (Lom in Arch Protistenkd 112:153-177, 1970) and (Davis in US Dept Interior Fish Bull 51:1-29, 1947) Lom (Acta Parasitol Polon 7:573-590, 1959) have been identified from ornamental fish from Arunachal Pradesh, India.

An annotated list of aseptate gregarine parasites (Protozoa; Apicomplexa; Sporozoa) infecting oligochaete hosts.

Gregarines are mainly coelozoic parasites belonging to the protozoan phylum Apicomplexa. The present communication deals with 137 species belonging to the genera Gates, 1926; Cognetii de Martiis, 1923; Cognetii de Martiis, 1921; Tsvetkov, 1926; Hesse 1909; Hesse 1909; and Von Stain, 1848. This study was conducted to explore the diversity of gregarine parasites infecting the oligochaete hosts of the world.

Identification of a new myxosporean parasite Thelohanellus indiana n. sp. (Myxosporea: Myxobolidae) isolated from three major organs of goldfish, Carassius auratus L. highlighted with its morphological and SSU rDNA sequence based molecular description.

Fish mortality and poor growth in surviving fish contribute substantial losses to the ornamental fish farms of India and revealed an infection of a new myxosporidian parasite Thelohanellus indiana n. sp. which has become one of the most important limiting factors for successful aquaculture management.

Extraction, isolation and characterization of bioactive compounds from chloroform extract of Carica papaya seed and it's in vivo antibacterial potentiality in Channa punctatus against Klebsiella PKBSG14.

The relative efficacy of the isolated pure compound, extracted from Carica papaya seed has been tested against live fish, Channa punctatus infected with pathogenic strains of KlebsiellaPKBSG14 (gene bank accession no.KJ162158) at a dose of 0.75 CFU/ml in vivo.

Observation on sp. nov. (Apicomplexa: Eugregarinida) from an Indian earthworm (Annelida: Oligochaeta).

A survey to know the diversity of endoparasitic protozoan parasites of the earthworms of West Bengal, revealed a new species of the genus Stein, 1848, that resides in the seminal vesicle of the earthworm Perrier. sp. nov.

Description of a myxozoan parasite sp.n PKB2014 from an edible fish, with emphasis on its molecular characterization.

In India, more than 104 species of have so far been reported infecting freshwater as well as marine fishes. The study focuses on the description of a new myxosporean species, sp.n PKB 2014 from the gill lamellae of an Indian major carp The species have been described on the basis of morphological characterization of the spores, tissue architecture and 18S rDNA sequence data.

First record of protozoan parasites, Tetrahymena rostrata and Callimastix equi from the edible oyster in Sundarbans region of West Bengal, India.

Several protozoan parasites have been found infecting the edible oysters, hence deteriorating the meat quality. Protozoan parasites such as, Tetrahymena rostrata and Callimastix equi infested the edible oyster in Sundarbans region, West Bengal, India, are first record from this region. Due to filter feeding habit of the organisms, oysters provides excellent ecological services in regard to efficient cleaning of infectious agents from surrounding water as a potential measure to improve water quality.

In vitro and in vivo anthelmintic activity of Murraya koenigii against gastro-intestinal nematodes of sheep.

The present study have been conducted to evaluate the anthelmintic activity of crude aqueous and crude methanolic leaf extracts of Murraya koenigii. Infection of ruminants with gastro-intestinal (GI) parasite has become a worldwide problem. The parasite causes economic losses in a variety of ways.

Study of Pathophysiological Effects of the Nematode Parasite Eustrongylides sp. on Freshwater Fish Channa punctatus by Hematology, Serum Biochemical, and Histological Studies.

Objective: The aim of this study was to study the pathophysiological effects on Channa punctatus due to the nematode parasite Eustrongylides sp.

Methods: A total of 250 fish were examined during the period January 2012-2014. Hematological, serum biochemical, histological, and scanning electron microscopic studies were performed on normal and infected hosts to study the effects caused by the nematode.

Description of a new species of Myxobolus Butschli, 1882 from the Cirrhinus mrigala Hamilton, 1822 an edible fish of India.

Myxobolus Bütschli 1882 is an important group of parasitic protozoa infecting a large number of freshwater fish species worldwide. The severity of Myxobolus infection leads to heavy loss in production of fishes. During the survey of the fish parasites, a new species of the genus Myxobolus have been isolated from the gills of a freshwater edible fish Cirrhinus mrigala Hamilton, 1822 from Canning, South 24 Parganas, West Bengal, India which has been described here.

Description of a New Haemogregarine, Haemogregarina sundarbanensis n. sp. (Apicomplexa: Haemogregarinidae) from Mud Turtle of Sundarban Regions, West Bengal, India.

Objective: The aim of this study was to provide a description of a new haemogregarine, Haemogregarina sundarbanensis n. sp., from mud turtles collected from Sundarban regions, West Bengal, India.

Prevalence of a protozoan parasite Cristigera sp. (Ciliophora:Ciliatea) from edible oysters (Mollusca:Bivalvia) of Sundarbans, West Bengal, India.

The coastal region of West Bengal is bestowed with a wide range of natural forest and aquatic resources. The estuarine complex is a culmination of the interaction of land, sea and freshwater. It offers diverse specialised habitats such as mangroves, non vegetated mudflats, inter tidal zones and reclaimed areas.

Observations on the histopathological changes caused by myxosporidian infections in minor carps.

Myxozoan infections result in large scale histopathological features depending on various factors. Earlier studies on pathological changes caused by myxozoan infections in piscine hosts have been reported from different localities. This study is based on the histopathological features caused by the members of genera Myxobolus Bütschli, 1882 and Thelohanellus Kudo, 1933 in the gill and fin tissues of commercially significant minor carps, Labeo calbasu and Labeo gonius of the genus Labeo collected from the four different districts of the north-eastern Indian state of Tripura (latitude 22°51'-24°32'N and longitude 90°10'-92°21'E) spanning over a total geographical area of 10,491 km(2).

Observations on two new species of Myxobolus Butschli, 1882 from minor carps of Tripura, India.

Tripura is a north-eastern state of India with a total geographical area of 10,491 sq.km. Labeo bata, L.

Description of two new species of ectoparasitic Trichodina Ehrenberg, 1830 (Ciliophora: Trichodinidae) from freshwater fishes in the river Ganges, India.

Two new species of the genus Trichodina Ehrenberg, 1838, T. silondiata sp. nov.

Apolocystis cognetti sp. nov. (Apicomplexa: Monocystinae) a new aseptate gregarine species from the earthworm Amynthas hawayanus (Annelida: Oligochaeta) from West Bengal, India.

During the course of surveys of endoparasitic aseptate gregarines in Darjeeling district of West Bengal, India, seminal vesicles of Amynthas hawayanus (Rosa 1891) found to be infested with a new species of the genus Apolocystis (Cognetti de Martiis 1923). Trophozoites are spherical or rounded and without any polar differentiation. Diameter of the trophozoite ranges from 65.

On the occurrence of a Haemogregarinae (Apicomplexa) parasite from freshwater turtles of South 24 Parganas, West Bengal, India.

Objective: The aim of this study was to investigate Haemogregarine parasites (Apicomplexa: Haemogregarinidae) of freshwater turtles (Lissemys punctata andersoni, Geoclemys hamiltonii) of India.

Methods: Turtles were collected by net from two ponds of South 24 Parganas, West Bengal, India. A small amount of blood was taken from the subcarapacial vein puncture site.

Myxobolus leafa sp. nov. (Myxozoa: Bivalbulida) from the gill filament of Labeo bata (Hamilton) from Manipur, India.

Objective: The aim of this study was to investigate the gill filaments of Labeo bata in India parasitologically and to describe the new Myxozoa parasite species, Myxobolus leafa sp. nov., which was determined.

On the occurrence of a gregarine parasite (Apicomplexa: Eugregarinorida) from the seminal vesicles of earthworms (Annelida: Oligochaeta) of Bangladesh.

In a survey of the endoparasitic acephaline gregarines in the Satkhira district of Bangladesh, seminal vesicles of earthworm, Metaphire posthuma were found to be infested with a new species of the genus Enterocystis Tsvetcov 1926, Enterocystis elongatum sp. nov. The new species is elongated and measures 55.

Occurrence of Trichodinid Ciliophorans (Ciliophora: Peritrichida) in the freshwater fishes of the river Churni with description of Trichodina glossogobae sp. nov. in West Bengal, India.

Between January 2011 and March 2011 occurrence of trichodinid ciliophorans were studied in the freshwater fishes of the river Churni. The biodiversity survey revealed presence of a new species of the genus Trichodina (Ehrenberg 1830) infesting Glossogobius giuris (Hamilton-Buchanan). Another freshwater fish Labeo bata (Hamilton 1822) were found to be infested with two species of the genus Tripartiella Lom 1959: Tripartiella bulbosa (Davis 1947) Lom 1959 and T.

A checklist of the species under the genus Monocystis Von Stein, 1848 (Apicomplexa: Sporozoa: Monocystidae) described from oligochaete hosts.

A checklist of 24 species of the genus Monocystis is presented and includes the salient features of each species, type host and site of infection.

Studies on Trichodinid and Chilodonellid Ciliophorans (Protozoa: Ciliophora) in the Indian freshwater and estuarine fishes with description of Trichodinella sunderbanensis sp. nov. and Trichodina nandusi sp. nov.

A comprehensive icthyoparasotological survey among estuarine and freshwater fishes of West Bengal, India revealed Trichodinella sunderbanensis sp. nov. and Trichodina acuta Lom, 1961 from an estuarine fish Mystus gulio (Hamilton, 1822) from the Vidyadhari river; Trichodina nandusi sp.

Description of Rhynchocystis silvae sp. nov (Apicomplexa: Eugregarinida) from Metaphire peguana Rosa (1890) of Dhaka, Bangladesh.

Objective: Biodiversity studies in search of endoparasitic acephaline gregarines of earthworms revealed a new species under the genus Rhynchocystis Hesse, 1909.

Methods: The species has been obtained from the seminal vesicles of the earthworm, Metaphire peguana. The parasite was identified using standard methodology.

Nematocystis vinodae n. sp. (Protozoa, Apicomplexa, Eugregarinida), a monocystid gregarine from Eutyphoeus nicholsoni (Beddard).

Objective: Biodiversity studies in search of endoparasitic acephaline gregarines revealed a new species under the genus Nematocystis Hesse, 1909.

Methods: The species has been obtained from the seminal vesicles of the earthworm, Eutyphoeus nicholsoni (Beddard).

Results And Conclusion: Gamonts of this species are solitary and bear a perfect nematoid appearance with smoothly curved terminals, especially in mature forms.