A free flux of Ca 2+ ions is needed in the higher dose of MT induced aggregation. 166 RISHI and HAOBAM TABLE 1 - Karyotypic data in members of the family Ophiocephalidae. Modes of reproduction in fishes. PDF. Sprague JB. The eye diameter measurement wastaken with the help of veneer calipers (Fig 2). The exposed fish showed significant alterations such as uprooted and damaged lepi-donts and dispersal of chromatophores. (Channidae), which are a disguised type of smooth muscle cells and offer excellent in vitro opportunities for studying the effects of drugs. 4, No. The eye diameter measurement Channa punctatus has revealed 2n = 52 (10 metacen ­ ... broader scale, these data are quite similar. Histopathologically, marked necrosis, pyknosis, haemorrhage and fungal granuloma were observed in skin and muscle. Ricker, W., 1975. The present study explored the induced genotoxicity (DNA damage) due to organophosphate pesticide profenofos (PFF) after in vivo exposure in freshwater fish Channa punctatus by the use of Comet assay and Random amplified polymorphic DNA (RAPD). (2007) reported that there was fractured or … Channa punctatus at 3 days postinfection showing a degenerated sinusoidal cell (S). A rearing experiment was conducted to the larvae of spotted Snake head Channa punctatus fed with five different feeding regimes consisted of plankton soup, chicken intestine paste, fish paste, plankton with fish paste and plankton with chicken intestine paste for 28 days. African Journal of Pharmacy and Pharmacology - melanin inhibitory and melanin stimulatory effects of extracts of chlorophytum tuberosum and chlorophytum borivilianum on isolated fish scale melanophores number of 200 specimens of Channa punctatus (Bloch) with total length ranging from 67.0 to 245mm were collected from river Indus District, Jamshoro, Sindh, during March to August 2010. Microscopy and Microanalysis, 2014. 2. Figure 2. or. In Channa punctatus, there are four pairs of semicircular gill arches. Free PDF. Channa punctatus Bloch was selected due to its adoption in polluted aquatic environment. Journal of Inland Fisheries Society of India, 6:62-73. Download Free PDF. b) Enlarged view of Anterior margin depicting Circuli which are shaped like discs and Radii which run between two Circuli separating them. PDF. Zone diameters were interpreted as sensitive, intermediate and resistant according to the manufacturer’s instructions. Vol. OBJECTIVE: The present work was carried out to determine the effects of lyophilized seed extracts of P. corylifolia, along with pure psoralen on the isolated scale melanophores of Channa punctatus Bloch. International Journal of Food Science and Biotechnology. The undulatory movements of fishes. Hossain, G.U. Volume I of the proceedings on the above theme, which was held in Phnom Penh, Cambodia from 11 to 14 February 2003. Ventral cephalic sensory pores arranged singly (red arrows). Channa punctatus. Dua and Johal (2000) during their study on scales of Channa punctatus as an indicator for pesticide pollution also had similar findings and declared significant impairment upon exposure to organochlorine pesticide. Aquaculture in Taiwan. Epub 2016 Mar 10. Disease investigation of small indigenous fish species Channa punctatus of three fish markets in Mymensingh, Bangladesh K ... scale loss, red spots, deep dermal ulcer in Sankipara Railway Crossing and Gollpukurpar markets. Introduction. 11. The gill lamellae are so delicate and have blood sinusoids which are necessary for effective gas exchange during respiration (Fig.1, Fig.5). De S, 1985. Snake-headed fishes were abundantly found in almost every freshwater bodies of Bangladesh only a few years ago. Similar findings were reported on Channa punctatus by Dua and Johal (2000) with Johal (2001). In 1999, the Government laid down a very special plan to increase and develop shrimp and fish culture on 48 583 ha and 26 291 ha, respectively, by 2003. Aquaculture is practiced largely in fresh water and brackish water along the coastal area, and on a limited scale in sea water. is listed in Table 1. Results: The pineal hormone MT has shown a dose dependent aggregation in the isolated scale melanophores of the fish Channa punctatus (Ham.). The exposed fish showed significant alterations such as uprooted and damaged lepidonts and dispersal of chromatophores. Journal of Applied Ichthyology, 22(4): 274-278. the 23rd Swadeshi Science Congress, pp: 642-645. Download with Google Download with Facebook. Fig. A study of toxicity and behaviour of freshwater fish, Channa punctatus (Bloch) after intoxication of carbamate and synthetic pyrethroid fenvalerate. Mark ‘U’- shaped Isthmus (black arrow) and presence of a big scale (blue arrow) on the lower jaw (more anteriorly to the ariculation of jaws). Channa punctatus - its isolation, identification by sequencing of D1/D2 region of 28s rRNA-DNA genes and host-pathophysiology ... arranged in an umbel at the apex; scale bar=25 µm, f)Ovovoidal sporangiophores with ornamented walls;scale bar=25 µm. Create a free account to download. Each gill arch of control fish has two rows of microscopic primary gill lamellae which secondary gill on lamellae are arranged bilaterally. The purpose of this research is to quantify the LC 50 for different time interval and its effect on the mortality and behaviour of the test fish. Freshwater fish Channa punctatus was exposed to various concentration of cadmium chloride (600ppm to 650ppm), cadmium sulphate (600ppm to 850ppm) and cadmium nitrate (900ppm to 990ppm) for 24 hour. Aquaculture in Taiwan., ix + 273pp . During the experimental period the fishes were fed to satiation twice a day. Journal of Ecophysiology and Occupational Health 7(1/2), 39. Channa punctatus: Head and isthmus region magnified ventrally. Breder CM, Rosen DE, 1966. The striped snakehead (Channa striata Bloch, 1793) is a commercially important freshwater fish, found in a variety of habitats, encompassing swamp, rivers, streams, and a lake in southeast Asia, middle east and Africa 1.Channa striata are locally known as ikan gabus, belonging to the family Channidae 2, which prey on fish, crustacean, and gastropod 3. 1 Show the measurement length of fish Channa punctatus (Bloch) fromRiver Indus. Channa punctatus was studied using wastewater dilutions (60–100%) from an international water channel Tung Dhab drain at an interval of 15 and 30 days. The LC 10-LC 90 value for all the three compounds were calculated according to Probit analysis and CdCl 2 was shows low LC 50 value as compared to CdSO 4 and CdNO 3.Among morphological … 10. A stock solution of 1 g/L was prepared in normal tap water. Channa punctatus (BLOCH) (Order: Channiformes; Family: Channidae), commonly known as “Snake-headed fish” in English and “Taki (Fish)” in Bengali [7], can be found in almost aquatic ke rivers, lowland, lakes, canals, rice fields, ponds etc. Show the measurement Instrument Digital verniercaliper 11. Proceedings of species from the northern Aegean Sea, Turkey. Water Research 3(11), 793-821. Channa punctatus at three different temperatures Syeda Nusrat Jahan, Abdur Razzaq Joadder and Saiful Islam Abstract In Bangladesh malnutrition remains a significant development challenge where fish is an irreplaceable animal-source food in the diet of millions of people. Channa Punctatus (Bloch, 1793) sampled from Length–weight relationships for 47 coastal fish Northern and Eastern parts of India. Measurement of pollutant toxicity to fish I. Bioassay methods for acute toxicity. Key words: Channa punctatus, melanophore aggregation, Chlorophytum tuberosum, Chlorophytum borivilianum. and Puntius sp. Chen LC, 1990. These ob-servations strongly suggest that fish scales can be successfully employed as indicators of wastewater … 9. Scale bar = 0.5 μm. Dua and Gupta (2005) reported that demage to anteior part of lepidonts were observed at low concentration of mercury, but the higher concentrations imparted damage to the extent that the whole rows of lepidonts were sloughed off. Johal and Sawhney (1997) observed that lepidonts on the scale of Channa punctatus showed various degrees of damage on exposures to various concentrations of malathion. 1969. was actually scaled from the centre of the antibiotic disc to the end of the clear zone where bacteria could be seen growing. Morphometric studyAll the Measurements, except eye diameter, were taken ona millimeter scale. Scanning Electron Microscopy of Scales and its Taxonomic Application in the Fish Genus Channa. PDF. The probable course which the karyotypic evolution took in this family . Fig 3: Scanning Electro Photomicrographs of scale of Channa punctatus showing: a) Anterior margin which consists of circuli and radii; Focus and Basal margin from where scale is attached to body. Effect of Bifenthrin Pesticide on Kidney Protein Content in Channa Punctatus Prem Sagar, Surendra Singh and Anand Pratap Singh Department of Zoology, School of Life Sciences, Dr. B.R. The fish specimens were exposed to … Science and Culture, 51:344-346. Ahmed*, Z ... lesions, rough skin, scale loss and reduced pathological changes like mild necrosis, pyknosis, few vacuums and hemorrhages were observed. The reason may be due to the discharge of industrial effluents, the dumping of small scale discarded materials, agricultural wastes as well as burning of large amounts of plastic and E-wastes. Quality Assessment of Oven Dried and Traditional Sun Dried Channa Punctatus. The fish melanophores were found refractory to MT after denervation. Health status of a snakehead (Channa punctatus) of two fish markets in Mymensingh, Bangladesh M.M. Hypophysation and life history of Channa punctatus (Bloch). Download PDF Package. Seasonality of reproduction in male spotted murrel Channa punctatus: correlation of environmental variables and plasma sex steroids with histological changes in testis Fish Physiol Biochem. PDF. Dried Channa Punctatus Syeda Nusrat Jahan*, Salma Akhtar Department of Fisheries, University of Rajshahi, Rajshahi, Bangladesh Email address: *Corresponding author To cite this article: Syeda Nusrat Jahan, Salma Akhtar. Fig. 4, 2019, pp. RESULTS The antibiotic sensitivity profile of bacteria isolated from C. punctatus, Mystus sp. The … All the Measurements, except eye diameter, were taken on a millimeter scale. Microphotographs of 30 µm thick cryocut transverse sections passing through OT of 1 - Channa Punctatus 2 - Heteropneustes fossilis showing laminar AChE distribution IOX (Scale bar - 100 µm) In Channa punctatus the outermost SM comprises two sub-zones based on AChE intensity the outer most sub-zone exhibited moderate reaction while the inner sub-zone showed intense activity. RESEARCH METHODOLOGY The study was carried out at department of Zoology, R.B.S. Th e endothelial cells contained many large lysosomes (L) loaded with bacteria (BAC). Computation and interpretation of 24. SP Biswas. Mercury in the form of mercuric chloride was used for investigation. 2) MATERIAL AND METHOD Live specimens of Channa punctatus were collected for the present study. College, Agra, Uttar Pradesh. 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