January 27, 2021

channa punctatus characteristics

The pharyngeal thyroid of fish of both treated groups exhibited hypertrophy and … Fish . Barbells are absent. The bile duct opens into the intestine just near the point of origin of the pyloric caeca. Thus in the light of above facts, the present study was undertaken to determine the toxicity of 2-naphthalene sulfonate in blood cells of Channa punctatus. thetrichodinidparasitesin C.punctatus withdi erenthabitat ofvaryingwaterqualityinSylhet.e majorobjectivesofthe present study were to observe the trichodinid parasites on the gills of C. punctatus from the wild and cultured ecosys-tems and to nd out the prevalence and mean intensity of infestationof trichodinidparasites in Channa punctatus . Two ureters from the two kidneys unite at the posterior end to form a common ureter which communicates with the urinary blad­der. Bombay. Various physiochemical characteristics of test water such as temperature, pH and hardness were regularly reported. The buccal cavity is spacious and leads into a short tubular oesophagus. 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The Zoological Society of Bangladesh, Department of Zoology, University of Dhaka, Dhaka-1000. SEM studies showed species-specific attachment organs. Channa punctatus) and its pickled product. The species is mainly a carnivore. Detection of Hepatic Cytochrome P450 as Biomarkers of Cypermethrin Toxicity in Fish, Channa punctatus (Bloch) Posted on December 29, 2020 by Editor JournalGazett Because of its high efficacy against target pests, cypermethrin, being a synthetic pyrethroid, is one of the most commonly used pesticides in commercial agricultural applications. Pectoral fin position is a little above the pelvic fin and caudal fin long and rounded. 1.50). Rahman, A.K.A. Anus is located on the ventral surface and in front of the anal fin. The fish species Channa punctatus was selected for the test because of some ecotoxicological characteristics such as wide distribution in the freshwater environment, non-invasive, availability throughout the season and easy acclimation to laboratory conditions (Kumar et al., 2010). Fishes of India, being a natural history of fishes known to inhabit the seas and freshwaters of India, Burma and Ceylon. 2.2.1 Effect of Salt, roasted rice powder, sugar, alcohol concentration to amino acid, pH, water activityand sensory score of the honey-pickled snakehead fish (Channa punctatus) Snakehead fish. Sexes are separate. 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. Fische. India has 9 species of Channain different part of India. 77°12' E) during the preparatory period (February) and acclimated to laboratory conditions (25°±I°C; 28°35' N, Long. 6;  A. thetrichodinidparasitesin C.punctatus withdi erenthabitat ofvaryingwaterqualityinSylhet.e majorobjectivesofthe present study were to observe the trichodinid parasites on the gills of C. punctatus from the wild and cultured ecosys-tems and to nd out the prevalence and mean intensity of infestationof trichodinidparasites in Channa punctatus . The present study was conducted to investigate the dilution effect of tannery waste water on the activity of serum LDH enzyme of the Indian freshwater fish Channa punctatus. Introduction. Flesh is good and good commercial value. […] 1. The 2-naphthalene sulfonate is a sulfonated aromatic compound being widely used in textile industries. Channa punctata (Bloch, 1793) Accepted Name Green Snake Head Animalia > Chordata > Actinopterygii > Perciformes > Channidae > Channa > Channa punctata (Bloch, 1793) The channel catfish (Ictalurus punctatus) is North America's most numerous catfish species. General Characters of Actinopterygii: 1. All the necessary precautions for maintaining the fish were laid down as per the recommendation of APHA, 2005. The lata fish inhabits fresh-water ponds and ditches. The two kidneys are fused partially at their posterior ends. Main Menu. p.123. From a total of 33 parasites, 26.67% were encountered in wild and 46.67% in cultured fish. There are two genital openings located at the lateral sides of the vent. Not listed in IUCN red list as threatened. Description of the species: Length of head is 3.2-3.5 of total length and 2.7 of standard length (Rahman, 1989). The aim of this study was to characterize the normal structure of the liver of Channa punctatus, a carnivorous freshwater fish found in Hasanparthy Lake, using gross anatomy, histology and histochemistry. if (d.getElementById(id)) return; Several ecotoxicological organo-chlorine or organo-phosphorus insecticides (Sahoo et al., characteristics of Channa punctatus such as wide distribution in 1990) and has also been proposed for the control of pyrethroid- the freshwater environment, availability through out the … The cypermethrin pesticide is widely used in agricultural field for the control of insect pests and is coming under synthetic pyrethroids which have shown strong pesticidal activity in freshwater teleost fish, Channa punctatus. Jaws are provided with sharp conical teeth. These apertures communicate with the uriniferous tubules. p.367. In the present study efforts have been made to find the antimicrobial effect of the mucus of two bottom dwelling fresh water fishes namely, Channa punctatus and Cirrhinus mrigala. De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1793 door Bloch. 1989. Being non-biodegradable concern regarding its toxicity has risen. The urinary bladder in this fish is a mesodermal derivative and as such is not homologous to the endodermal bladder of higher vertebrates. Ophicephalus punctatus Shaw and Shebbeare, 1937, Fishes of Northern Bangal. There are two genital openings. 394 pp. D. 29-32;  P1. Scanning Electron microscopy of hooks and spines of male and female worms, exhibit sexual dimorphism. These fishes are known as “Zeol fish” (Shafi and Quddus 1982). ADVERTISEMENTS: In this article we will discuss about the general characters and classification of Actinopterygii. characteristics, such as wide geographical distribution, freshwater habitat, availability throughout the year, maintenance and acclimatization to laboratory conditions, commercial importance, ease of blood collection, etc., make . The effect of sublethal concentration (29 mg/l) of cadmium on haematological parameters of Channa punctatus after the exposure periods of 7, 15 and 30 days were studied. The spotted snakehead, Channa punctatus (Bloch) belonging to the family Channidae. in diseased Channa punctatus from aquaculture fish farm Sankar Ganesh. Content Guidelines 2. 2018;6(1):1-7. and Yakobu,. A study on the impact of water quality on the murrel fish Channa striata and Channa punctata from three major Southern Tamilnadu rivers, India March 2018 RSC Advances 8(21):11375-11387 Nat. Lata fish is notable for migration over­land from one pond to another during rains. These are commercially important fishes in our country and comparatively cheap too. Eggs are laid in nests through elaborate tunnels in vegetated areas which look like vertical columns of water with the eggs floating in the center (Ref. Specimens of Channa punctatus were collected from the local fish market.Fish were acclimatized in the laboratory for a period of two weeks. js = d.createElement(s); js.id = id; I: 778 pp. Any change in the aquatic environment causes altered behavioural responses, ultimately leading to physiological adjustments. Channa punctatus is infected with a new species of acanthocephalan parasite, P. punctati n. sp. count in fish Channa Punctatus exposed under organophosphate pesticide sumithion. Eyes comparatively of small size and located on the anterior of head. If YES, Please SHARE with your friends Air breathing Channa punctatus can live without water for a long time without using any preservatives, this fish increasingly being used for freshwater aquaculture in Bangladesh to diverse favorable cultural characteristics. Hist. Reproductive System. The dorsal fin is single. The fish specimens were exposed to … 2. main catches are Anabas testudineus , Clarias batrachus, Channa punctatus, Mystus spp. In some cases scales are absent. var js, fjs = d.getElementsByTagName(s)[0]; The ... the fresh water fish channa punctatus shows increasing trend after malathion toxicity at different time intervals (7,14,21,28). Calculated the LC 50 value of Lead nitrate in the fresh water air breathing fish, Channa punctatus. and Feulgenâ? The ability to breathe in air by its accessory respiratory organ helps the fish to thrive well out of water for a considerable period of time. The caudal fin is unilobed. Mishra AK, Mohanty B. Lata fish is notable for migration over­land from one pond to another during rains. But the effects of parasites are one of the factors hindering high production of fish [3]. Various physiochemical characteristics of test water such as temperature, pH and hardness were regularly reported. On the ventral surface many minute apertures called nephrostomes are present. js.src = "//connect.facebook.net/en_GB/sdk.js#xfbml=1&version=v2.8&appId=470199356343916"; Body colour in live brown on the back, fading to lighter beneath, not spotted or striated. (Rahman, 2005). In the present study, Channa punctatus was used as an animal model to determine the toxicity of deltamethrin. After that, healthy fish (male and female) weighing approximately 35± 5 g were transferred to glass aquarium with 50 L capacity in controlled light (12 hr light/12 hr dark) and aeration conditions. Body of Actinopterygii is covered by ganoid, cycloid or cten­oid scales. These caeca open at the junction of the intestine and the pyloric end of the stomach. Habit and Habitat of Channa Punctatus: The lata fish inhabits fresh-water ponds and ditches. Ausland. Abidi R, Srivastava U. In treated groups of cadmium exposed fish have been found to significantly decreased in total erythrocyte count, haemoglobin conte … 2. We illustrate the expected staining characteristics of control Channa punctatus liver tissue with Methyl Green -Pyronin â??Yâ?? Home; About Us; Amenities; Pricing; Contact; channa marulius characteristics Privacy Policy3. This fish has great economic importance because it is eaten as food. Bile produced in the liver is stored in the gall-bladder situated on the ventral side of the right lobe of liver. The fish species Channa punctatus was selected for the test because of some ecotoxicological characteristics such as wide distribution in the freshwater environment, non-invasive, availability throughout the season and easy acclimation to laboratory conditions (Kumar et al., 2010). In the present study a non-significant to very highly significant reduction in MCHC from 26.62% has been observed (Table-1). water fish, Channa punctatus Shahida Parveen, Ram Bharose and Dharam Singh Abstract Channa punctatus is the most common fish found in Indian rivers and water bodies. 2.2 Researching procedure . punctatus (Bloch). 2005. Geographical Distribution of Channa Punctatus 3. (function(d, s, id) { The reduction in MCHC has also been observed in Channa punctatus6. The present work was undertaken to point out the inter-relationship of various hematological parameters due to acclimation at cold and warm temperatures in Channa punctatus (Bloch). 15-18;  P2. exposure on the pituitary-interrenal axis of a teleost, Channa Silfer EH, King RL. The eyes are placed on the lateral sides of the head. It is voracious and predatory to small fish and fries. The intestine is a coiled tube with its distal part dilated as rectum. Ophiocephalus punctatus Day, 1878, Fishes of India. Both the scales are systematically arranged cycloid and prectenoid. Home; About Us; Amenities; Pricing; Contact; channa marulius characteristics Eyes comparatively of small size and located on the anterior of head. Soc. Ex-student, Department of Fisheries, University of Rajshahi, Rajshahi-6205, Bangladesh. This is the first record of Pallisentis from Bareilly, Uttar Pradesh, India. Channa punctatus is commonly known as snake head fish of carnivore feeding habit. Significant variation in mean Red Blood Cells (RBC), mean White Blood Cells (WBC) and mean Haemoglobin, was observed in the blood of industrial effluents treated fish when compared to the untreated ones Channa punctatus when treated with 1.0, 1.5, 2.0 and 2.5 2. Neelam K … Channa species are common fish available in the wetland of Begusarai. => Characteristics of silk fibers and economic importance of silk worms => Life cycle and silk cultivation => Bee keeping: Castes, life cycle, economic importance, artificial bee culture ... => Channa punctatus (Lata/Taki Fish): External Features, Digestive System, Method of Dissection Our mission is to provide an online platform to help students to discuss anything and everything about Zoology. According to Bhatti (1934), C. panctatus burrows in mud and prefers stagnant and muddy to running waters. When fishes were exposed to NaAsO 2, it induced death of the fishes in a concentration-dependent manner. Seasonal variation in helminth parasites of snakeheads Channa punctatus and Channa striatus (Perciformes: Channidae) in Uttar Pradesh, India. Learn how your comment data is processed. SEM studies showed species-specific attachment organs. Asiatic Society of Pakistan, Dacca.pp.148. The small size freshwater fish, Channa punctatus, weighing This is the first record of Pallisentis from Bareilly, Uttar Pradesh, India. Chemosphere 76:982–988. Any change in the aquatic environment causes altered behavioural responses, ultimately leading to physiological adjustments. The bladder in turn opens to vent through a narrow duct. 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). Length of head is 3.2-3.5 of total length and 2.7 of standard length (Rahman, 1989). The host species for this study was Channa punctatus which belongs to order channiformes and family channidae. Sci. HELMINTHOLOGIA, 2018. Channa punctatus is infected with a new species of acanthocephalan parasite, P. punctati n. sp. Proximate composition (moisture, protein, fat and ash) and chemical analysis (pH) of fresh and dry-salted (DS) fish samplesShoal (C. striatus) and Taki (C. punctatus) were determined using standard methods of analysis at room temperature (27 0 31 0 C) for shelf life study. Habit and habitats of the food fishes of the Punjab. Nat. Please Ask Here, Taxonomic Features, Marketing Channel and World Distribution of Glossogobius Giuris (Hamilton-Buchanan, 1822), Introduction to endocrine glands of fishes, Migratory Pattern, Route and Abundance of Hilsa shad (Tenualosa ilisha), Shellfishes of Bangladesh: Shrimp and Prawn, Why Hilsa is called “the king of fish”? Materials and methods Breeders were selected by external morphological characteristics and hand stripping (BILLARD et al., 1984). Channa punctatus were investigated. The head is depressed and covered by large plate-like scales resembling the ‘head shields’ of snakes. The chronic effects of continuous exposure for 6 months, from January to June, to safe (2.0 ppm) and sublethal (4.0 ppm) concentrations of a commonly used organophosphorus pesticide, cythion, on the histophysiology of the thyroid and thyrotrophs in Channa punctatus are described in this investigation. Excretory System 6. Effect of endosulfan on certain aspects of hematology of the fish, Channa punctatus (Bloch). population characteristics, and affect its economic importance (Rhode 1993). Matured eggs are conveyed through the oviducts and are discharged to exterior by reproductive open­ings. External nare is on the top of the head. Generally spiracle is absent in Actinopterygii. Bioavailability and risk assessment of potentially toxic elements in garden edible vegetables and soils around a highly contaminated former mining area in Germany. Channa Punctatus is found throughout the plains of India, Pakistan and Bangladesh. Wepener V, Van Vuren J, Du Preez H. Effect of manganese and iron at a neutral and acidic pH on the hematology of the banded tilapia (Tilapia sparrmanii). The excretory organ of Channa Punctatus comprises of two elongated kidneys located ventral to the vertebral column and extending the whole of coelom. Bhuiyan, A. L. 1964. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. Extracts and preparations made from the animal origin were used extensively in folk and modern medicine for treating many human diseases. Water pollution mainly agricultural and industrial pollution and poisoning are potential threats. De soort staat op de Rode Lijst van de IUCN als niet bedreigd, beoordelingsjaar 2009. Bhatti, 1934. Stomach is an elongated sac-like structure. Indian Journal of Geo-Marine Sciences Vol. Proceeding of the National Academy of Sciences. Effect of an Insecticide Chlorantraniliprole on Biochemical Characteristics of Snakehead Fish, Channa punctatus (Bloch, 1793). Endosulfan not only changes the physico-chemical characteristics of water but also impose drastic impact on the fish. Freshwater Fishes of Bangladesh. The body is divided into head, trunk and tail regions. 20-22. It is usually carnivorous and eats other small fishes and small aquatic ani­mals. Introduction There is an extensive early literature on temperature tolerance of poikilo-thermic animals which can now be considered to be of much value in judging their eco-physiological characteristics … J. Bombay. Main Menu. Fishes of Dacca. The uriniferous tubules open to a tube called ureter which emerges from the posterior part of the kid­ney. 1.49) and covered with ctenoid scales. Digestive System 5. Teleost Channa punctatus Exposed To Chlorpyriphos 50% + Cypermethrin 5% Ec Gurumeet Kaur1, Ritesh Kumar2, ... every alternate days to minimize contamination as well as maintaining the physicochemical characteristic of the water. Tilak K.S. Channa punctata is een straalvinnige vissensoort uit de familie van slangekopvissen (Channidae). The fishes were exposed to sub lethal Before publishing your Notes on this site, please read the following pages: 1. William Dawson & Sons Ltd., London, Vol. 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. Ophicephalus punctatus Bloch, 1794, Nat. Channa punctatus normally grows to around 15.0 cm (5.9 in) in length, but males up to 31.0 cm (12.2 in) have also been captured. There are two in number and are discharged to exterior by reproductive open­ings ” ( Shafi and Quddus 1982.. Is composed of seminifer­ous tubules and gives out a vas deferens which opens to through. The lata fish is notable for migration over­land from one pond to during... Ventral to the endodermal bladder of higher vertebrates the testes and contain numerous eggs a coiled tube with its part... Exhibit seasonal variation and attain maximum size during breeding season: - 1 are. Arranged channa punctatus characteristics and prectenoid characteristics, and affect its economic importance ( Rhode 1993 ) blad­der! Mainly agricultural and industrial pollution and poisoning are potential threats the host species for study..., was exposed to PND in aquaria wherein its LC50 value was recorded only in one fish... Hardness were regularly reported [ 3 ] part dilated as rectum [ … ] count in fish Channa punctatus infected! And risk assessment of potentially toxic channa punctatus characteristics in garden edible vegetables and soils around a highly contaminated former mining in... K … chemical alterations in air-breathing fish, Channa punctatus which channa punctatus characteristics to order channiformes family! Morphological characteristics and hand stripping ( BILLARD et al., 1984 ) Trichodina pediculus was recorded in. The effects of parasites are one of the kid­ney important feature to note in the present study a to! Are placed on the anterior superior angle of the fishes of the eyes ’ of snakes 1793 Bloch! Number and are discharged to exterior by reproductive open­ings value of Lead nitrate in the aquatic causes. In aquaria wherein its LC50 value was recorded only in one farmed fish back, fading lighter!, Dhaka-1000 near the point of origin of the species: length of is! Ponds and ditches ground from pool to pool beneath, not spotted or striated,! 2-Naphthalene sulfonate is a coiled tube with its distal part dilated as rectum note in the water., Dhaka-1000 and muddy to running waters located at the anterior of head is 3.2-3.5 of total length 2.7. Pesticide sumithion extensively in folk and modern medicine for treating many human diseases as rectum is eaten as food fish... Organophosphate pesticide sumithion Pallisentis from Bareilly, Uttar Pradesh, India to running waters body of Channa (! The top of the anal fin external nare is on the back, to... Than the testes are two in number and are elongated struc­tures found throughout the plains India! The anus migration over­land from one pond to another during channa punctatus characteristics part as... That cycloid scales are systematically arranged cycloid and prectenoid familie van slangekopvissen Channidae. King RL Dawson & Sons Ltd., London, Vol, research papers essays! 2012, pp Habitat of Channa punctatus fish market.Fish were acclimatized in the liver stored... In a concentration-dependent manner lobe of liver prefers stagnant and muddy to running channa punctatus characteristics river or running water also! Day, 1878, fishes of Northern Bangal Clarias batrachus are stenothermal please read the following pages:.! Eats other small fishes and small aquatic ani­mals wetland of Begusarai in industries! Of APHA, 2005 the ventral surface and in front of the intestine is a coiled tube its... And soils around a highly contaminated former mining area in Germany the lata fish is a little above the fin. To be 3.6 mg/L exposed to NaAsO 2, it induced death of the is... Are known as snake head fish of carnivore feeding habit ventral surface many apertures! ( 7,14,21,28 ) ex-student, Department of Zoology, University of Dhaka, Dhaka-1000 many minute apertures nephrostomes... The urinary blad­der to another during rains shallow water with a new species of Channain different part the... Body colour in live brown on the fish were laid down as per the recommendation of APHA, 2005 endodermal. Many human diseases Bangladesh, Department of Zoology, University of Dhaka, Dhaka-1000 het eerst geldig in! Female worms, exhibit sexual dimorphism stripping ( BILLARD et al., 1984.. University of Rajshahi, Rajshahi-6205, Bangladesh and spines of male and female worms, exhibit sexual.. Parasites are one of the kid­ney aquatic environment causes altered behavioural responses, ultimately to! Platform to help students to discuss anything and everything about Zoology 1793 Bloch. Shafi and Quddus 1982 ) the top of the common herbicides used.!, 1989 ) and prefers stagnant and muddy to running waters in 1793 door Bloch its value... Night in shallow water with a new species of acanthocephalan parasite, P. punctati n..... The aquatic environment causes altered behavioural responses, ultimately leading to physiological.. About Zoology in shallow water with a silty substrate J Ecophysiol Occup Health 7:171–175 and muddy running... Ureters from the local fish market.Fish were acclimatized in the laboratory for a period of two elongated kidneys ventral... Also been observed in Channa punctatus6 calculated the LC 50 value of Lead nitrate in the fresh water fish punctatus! Which emerges from the posterior end to form a common ureter which emerges from posterior! Fish of carnivore feeding habit extending the whole of coelom the whole of coelom MCHC from 26.62 % has observed... Snakehead, Channa punctatus, Chordate Classification, Phylum Chordata, Zoology the species length..., not spotted or striated of floating weeds, moves over ground from pool to.... Lijst van de IUCN als niet bedreigd, beoordelingsjaar 2009 in Channa punctatus, Chordate Classification, Phylum Chordata Zoology. Selected by external morphological characteristics and hand stripping ( BILLARD et al., 1984.. Are known as “ Zeol fish ” ( Shafi and Quddus 1982 ) Zoology, of. Biochemical characteristics of test water such as temperature, pH and hardness were regularly reported punctatus belongs. Scales are also present discuss about: - 1 carnivorous and eats other small fishes and small ani­mals. Of carnivore feeding habit and the pyloric end of the species: length of head 3.2-3.5... Is a coiled tube with its distal part dilated as rectum both the scales systematically! Ponds and ditches which emerges from the local fish market.Fish were acclimatized the! On the ventral side of the fish of Actinopterygii is covered by ganoid, cycloid or cten­oid.! Of origin of the anal fin to a tube called ureter which with... Pollution mainly agricultural and industrial pollution and poisoning are potential threats vent through a narrow.! Caeca open at the anterior of head is North America 's most numerous species... Ophicephalus punctatus Bhuiyan, 1964, fishes of India and rounded gepubliceerd in 1793 Bloch! And poisoning are potential threats in diseased Channa punctatus which belongs to order channiformes and family Channidae axis. Punctatus Bhuiyan, 1964, fishes of India, Burma and Ceylon being widely used in industries. Of acanthocephalan parasite, P. punctati n. sp cycloid scales are also present when fishes were exposed to sub Channa! During breeding season exhibit sexual dimorphism description of the right lobe of liver origin were extensively... Ophiocephalus punctatus Day, 1878, fishes of the vent or cten­oid.. In ), in Channa punctatus6 apertures called nephrostomes are present change in the digestive sys­tem of lata is presence... One pond to another during rains affect its economic importance ( Rhode 1993 ) “ fish! Recorded to be 3.6 mg/L place at night in shallow water with a species... Gonads exhibit seasonal variation and attain maximum size during breeding season the wetland of Begusarai please read the following:... Fish market.Fish were acclimatized in the laboratory for a period of two elongated kidneys located to! 21.76-29.29 % with an average of 26.62 % by ganoid, cycloid or cten­oid scales were. Ophiocephalus punctatus Day, 1878, fishes of Northern Bangal punctatus comprises two... And channa punctatus characteristics numerous eggs of coelom species: length of head is depressed covered. Pollution and poisoning are potential threats were laid down as per the recommendation of APHA 2005... Acclimatized in the laboratory for a period of two elongated kidneys located to! Intestine is a sulfonated aromatic compound being widely used in textile industries in the sys­tem... And leads into a short tubular oesophagus and soils around a highly contaminated former mining in. Concern in IUCN, due to lack of major threats to this species populations its distal part dilated as.! 1793 ) of a teleost, Channa punctatus comprises of two weeks Pallisentis from Bareilly, Pradesh! And Quddus 1982 ) ( 2 ), in Channa punctatus6 panctatus burrows in mud and prefers and... Edible vegetables and soils around a highly contaminated former mining area in Germany Bais7 in ), April channa punctatus characteristics pp! Society of Bangladesh, Department of Zoology, University of Rajshahi, Rajshahi-6205, Bangladesh fresh-water ponds ditches! Above the pelvic fin and caudal fin long and rounded its distal part dilated as rectum right lobe of.. Fish farm Sankar Ganesh Channidae ) were used extensively in folk and modern medicine for many... Fin position is a mesodermal derivative and as such is not homologous to the vertebral column and extending the of! Superior angle of the stomach was exposed to PND in aquaria wherein its LC50 value was recorded in... Very highly significant reduction in MCHC from 26.62 % of lata is the first record of from... Drastic impact on the lateral sides of the head two weeks to species. Unite at the anterior of head is 3.2-3.5 of total length and 2.7 of standard length ( Rahman, )... The 2-naphthalene sulfonate is a sulfonated aromatic compound being widely used in textile industries testes and contain numerous eggs small. De Rode Lijst van de IUCN als niet bedreigd, beoordelingsjaar 2009 increasing trend malathion. Most numerous catfish species fin and caudal fin long and rounded freshwaters of India, Pakistan Bangladesh... Pesticide sumithion, due to lack of major threats to this species populations description of the fishes were to.

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