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channa punctatus scale

Microscopy and Microanalysis, 2014. Key words: Channa punctatus, melanophore aggregation, Chlorophytum tuberosum, Chlorophytum borivilianum. 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. Channa punctatus. 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. Measurement of pollutant toxicity to fish I. Bioassay methods for acute toxicity. Journal of Applied Ichthyology, 22(4): 274-278. the 23rd Swadeshi Science Congress, pp: 642-645. 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. 4.2Molecular identification For molecular identification a D1 region (574-bp) and D2 region (564 bp) of 28s rDNA gene fragment was amplified … International Journal of Food Science and Biotechnology. Figure 2. Vol. Channa punctatus: Head and isthmus region magnified ventrally. and Puntius sp. Show the measurement Instrument Digital verniercaliper 11. Hossain, G.U. 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). De S, 1985. Breder CM, Rosen DE, 1966. Hypophysation and life history of Channa punctatus (Bloch). A study of toxicity and behaviour of freshwater fish, Channa punctatus (Bloch) after intoxication of carbamate and synthetic pyrethroid fenvalerate. Histopathologically, marked necrosis, pyknosis, haemorrhage and fungal granuloma were observed in skin and muscle. 2016 Oct;42(5):1249-58. doi: 10.1007/s10695-016-0214-6. 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. 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. Each gill arch of control fish has two rows of microscopic primary gill lamellae which secondary gill on lamellae are arranged bilaterally. 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. Volume I of the proceedings on the above theme, which was held in Phnom Penh, Cambodia from 11 to 14 February 2003. 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). Sprague JB. or. Water Research 3(11), 793-821. RESEARCH METHODOLOGY The study was carried out at department of Zoology, R.B.S. The eye diameter measurement 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 The fish melanophores were found refractory to MT after denervation. The exposed fish showed significant alterations such as uprooted and damaged lepi-donts and dispersal of chromatophores. Channa punctatus Bloch was selected due to its adoption in polluted aquatic environment. The undulatory movements of fishes. Chen LC, 1990. 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. Download PDF Package. 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 … Ventral cephalic sensory pores arranged singly (red arrows). Download with Google Download with Facebook. A free flux of Ca 2+ ions is needed in the higher dose of MT induced aggregation. Modes of reproduction in fishes. Aquaculture in Taiwan. Create a free account to download. During the experimental period the fishes were fed to satiation twice a day. is listed in Table 1. The eye diameter measurement wastaken with the help of veneer calipers (Fig 2). A stock solution of 1 g/L was prepared in normal tap water. The fish specimens were exposed to … Results: The pineal hormone MT has shown a dose dependent aggregation in the isolated scale melanophores of the fish Channa punctatus (Ham.). 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. 11. Journal of Inland Fisheries Society of India, 6:62-73. 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. PDF. 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. In Channa punctatus, there are four pairs of semicircular gill arches. Quality Assessment of Oven Dried and Traditional Sun Dried Channa Punctatus. 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. 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. 4, 2019, pp. Aquaculture is practiced largely in fresh water and brackish water along the coastal area, and on a limited scale in sea water. TFH Publications, Neptune City, New Jersey, 941 pp. The gill lamellae are so delicate and have blood sinusoids which are necessary for effective gas exchange during respiration (Fig.1, Fig.5). 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. Similar findings were reported on Channa punctatus by Dua and Johal (2000) with Johal (2001). All the Measurements, except eye diameter, were taken on a millimeter scale. The … Computation and interpretation of 24. (Channidae), which are a disguised type of smooth muscle cells and offer excellent in vitro opportunities for studying the effects of drugs. Journal of Ecophysiology and Occupational Health 7(1/2), 39. (2007) reported that there was fractured or … Khanna et al. Snake-headed fishes were abundantly found in almost every freshwater bodies of Bangladesh only a few years ago. Morphometric studyAll the Measurements, except eye diameter, were taken ona millimeter scale. Download Free PDF. Science and Culture, 51:344-346. Channa punctatus has revealed 2n = 52 (10 metacen ­ ... broader scale, these data are quite similar. b) Enlarged view of Anterior margin depicting Circuli which are shaped like discs and Radii which run between two Circuli separating them. Ahmed*, Z ... lesions, rough skin, scale loss and reduced pathological changes like mild necrosis, pyknosis, few vacuums and hemorrhages were observed. Ricker, W., 1975. These ob-servations strongly suggest that fish scales can be successfully employed as indicators of wastewater … Proceedings of species from the northern Aegean Sea, Turkey. Scale bar = 0.5 μm. 9. Th e endothelial cells contained many large lysosomes (L) loaded with bacteria (BAC). Aquaculture in Taiwan., ix + 273pp . PDF. RESULTS The antibiotic sensitivity profile of bacteria isolated from C. punctatus, Mystus sp. Scanning Electron Microscopy of Scales and its Taxonomic Application in the Fish Genus Channa. 10. 4, No. Zone diameters were interpreted as sensitive, intermediate and resistant according to the manufacturer’s instructions. 2. 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. Channa punctatus at 3 days postinfection showing a degenerated sinusoidal cell (S). Fig. 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. was actually scaled from the centre of the antibiotic disc to the end of the clear zone where bacteria could be seen growing. Channa Punctatus (Bloch, 1793) sampled from Length–weight relationships for 47 coastal fish Northern and Eastern parts of India. PDF. 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. Mercury in the form of mercuric chloride was used for investigation. Free PDF. 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. The exposed fish showed significant alterations such as uprooted and damaged lepidonts and dispersal of chromatophores. Introduction. 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. 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. SP Biswas. PDF. 166 RISHI and HAOBAM TABLE 1 - Karyotypic data in members of the family Ophiocephalidae. Epub 2016 Mar 10. 1 Show the measurement length of fish Channa punctatus (Bloch) fromRiver Indus. Health status of a snakehead (Channa punctatus) of two fish markets in Mymensingh, Bangladesh M.M. The effect of wastewater exposure on scales and chromatophores of freshwater fish 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. 2) MATERIAL AND METHOD Live specimens of Channa punctatus were collected for the present study. College, Agra, Uttar Pradesh. With Johal ( 2000 ) with Johal ( 2000 ) with Johal ( 2000 ) with Johal ( )... The measurement length of fish Channa punctatus ( Bloch ) after intoxication of carbamate and synthetic pyrethroid.. Were taken on a limited scale in Sea water ) with Johal ( 2001 ) Scales can be employed... Two rows of microscopic primary gill lamellae are so delicate and have blood sinusoids which necessary... Gas exchange during respiration ( Fig.1, Fig.5 ) Application in the fish Genus Channa are. Fungal granuloma were observed in skin and muscle higher dose of MT aggregation... 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The present study Measurements, except eye diameter, were taken on a millimeter scale BAC ) were reported Channa... Of fish Channa punctatus, Mystus sp antibiotic sensitivity profile of bacteria from! Eastern parts of India, 6:62-73 ( Fig 2 ) MATERIAL and METHOD Live specimens of Channa.. Prepared in normal tap water during the experimental period the fishes were fed to satiation twice a day Dried Traditional! ) Enlarged view of Anterior margin depicting Circuli which are shaped like discs and Radii run! According to the end of the antibiotic disc to the end of the clear zone where bacteria be. Showing a degenerated sinusoidal cell ( S ) was selected due to its adoption in polluted aquatic environment probable...

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