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31 articles for “Freshwater fishes”
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Trichodina Parasites Infections on Gills of Some Freshwater Fishes from Qena, Egypt
Abstract: Freshwater fishes were sampled from different localities in the River Nile at Qena Governorate (Qus, Qift, Dandara, El-Trammsa, El-Maana, Dishna, and Nag-Hammady). The investigated fishes are, Oreochromis niloticus, Tilapia zilli and Ctenopharyngodon idella. Three Trichodina species isolated, Trichodina centrostrigeata Basson and Van As, 1994, Trichodina magna Van As and Basson, 1992, and Trichodina epizootica Raabe, 1950 from the freshwater fishes in Qena, Egypt. The prevalences were 10%, 27.27% and 68.18%, …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 2, Issue 1, 2012 · pp. 53–64 Read article
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An Investigation of Some Metals Concentrations in Freshwater Fish Collected from Wellington Lake, Tamil Nadu, India
Abstract: The present study was conducted to determine the metals of lead, cadmium, copper, chromium, iron, zinc and manganese concentrations in gill, liver, kidney, intestine and muscle of the collected freshwater fish Etroplus maculatus, Cirrhinus cirrhosa, Rastrelliger kanagurta, Macrognathus pancalus and Punitius dorsalis of the Wellington lake, Cuddalore district, Tamil Nadu, India collected during January–December 2011. Metals concentrations varied significantly depending upon the type of fish tissues and locations. In the …
Published in Research and Reviews: A Journal of Toxicology · Vol. 7, Issue 3, 2017 · pp. 6–11 Read article
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Toxicity Evaluation of a Few PAHs on a Local Freshwater Fish—Rasbora daniconius
Abstract: Polycyclic Aromatic Hydrocarbons (PAHs) have become ubiquitous pollutants of water resulting mainly from petroleum products. These are absorbed into the living systems and converted into secondary metabolites which show bioaccumulation in the living systems and have several deleterious effects on them. The present study attempts to evaluate toxicity of two such PAHs— Naphthalene and Anthracene—on the freshwater fish, Rasbora daniconius, using pure PAHs dissolved in dichloromethane. LC50 values were seen …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 42–46 Read article
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Effects of Chlorpyrifos as Inducer for Oxidative Stress in Liver, Kidney and Spleen of Freshwater Fish, Pseudetroplus maculatus (Bloch, 1795)
Abstract: Chlorpyrifos is one of the most common organophosphate insecticides found abundantly in freshwater ecosystems and has been detected in agricultural and fishery products worldwide. The study focused to determine the effect of chlorpyrifos on the induction of oxidative stress in freshwater fish Pseudetroplus maculatus. Fish were exposed to sublethal concentrations (0.661 and 1.32 μg/l) of chlorpyrifos for 15 and 30 days. Activities of antioxidant enzymes and the levels of hydrogen …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 1, 2018 · pp. 20–29 Read article
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Hematological and Biochemical Changes in the Freshwater Fish, Pseudetroplus Maculatus Exposed to Sublethal Concentrations of Chlorpyrifos
Abstract: Sublethal effects of chlorpyrifos on hematological and biochemical parameters were assessed in the freshwater fish, Pseudetroplus maculatus. Fish were exposed to chlorpyrifos at two sublethal concentrations, 0.661 µg/L (one-tenth of LC50—96 h) and 1.32 µg/L (one-fifth of LC50—96 h), for 15 and 30 days maintaining the control group. Blood collected from the control and treated groups were used for analyzing the hematological and biochemical parameters. Chlorpyrifos exposure significantly (P<.05) decreased …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 8, Issue 3, 2018 · pp. 108–116 Read article
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Morphological Characterization of Two Species of the Freshwater Fish Genus Dawkinsia (Osteichthyes: Cyprinidae), with Emphasis on Stream Habitat Characteristics
Abstract: AbstractMacro and microhabitat analyses were carried out for two cyprinid fishes of Dawkinsia sp., (D. filamentosa and D. tambraparniei) from the two selected rivers of South Indian river system (Thalayanai and Gadana). Macrohabitat features such as habitat structure and types; and microhabitat features such as stream depth, width, riparian cover, instream cover and substrates were studied. Suitable microhabitats for D. filamentosa were shallow, marginal waters of rivers and for D. …
Published in Research & Reviews : Journal of Ecology · Vol. 5, Issue 3, 2016 · pp. 8–21 Read article
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Some Physiological Aspects of the Fresh Water Fish Channa Orientalis (Sch.)
Abstract: The fishes and their diseases have importance in life of human due to its high nutritive value. Phosphate and Chloride is an important chemical constituent of fishes which plays important role in the development and metabolism of fish. The present investigation was carried out to study the chloride content and phosphate content of Channa orientalis. It was observed that, phosphate was responsible for metabolism and chloride is an important ionic …
Published in Research and Reviews: A Journal of Toxicology · Vol. 11, Issue 2, 2024 · pp. 22–26 Read article
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Study of Fresh Water and Salt Water in Bayelsa State
Abstract: The purpose of the research was to examine various types of saltwater and freshwater fish found in the Niger Delta region of Nigeria. The Niger Delta is a significant area in Nigeria known for its numerous bodies of water, including rivers, lakes, streams, and creeksThere is a wide variety of fish in these freshwater settings in the area, including Clarias gariepinus, Pila ovate, Labeo coubie, Synodontis budgetti, and Synodontis eupterus. …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 1, 2023 · pp. 78–86 Read article
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Sodium benzoate induced reproductive and metabolic changes in Anabas testudineus (Bloch, 1792)
Abstract: AbstractSodium benzoate is an effective antimicrobial agent used as a food preservative, but recently gained attention as the chemical toxicant. The present study investigated sodium benzoate induced male reproductive toxicity and metabolic changes at100 mg/ L concentration in the freshwater fish, Anabas testudineus. Sodium benzoate did not alter the weight of fish but increased the secretion of mucous as the primary defensive mechanism. Reduction in the absolute and relative weights …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 10, Issue 1, 2020 · pp. 56–71 Read article
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A comprehensive Review on the Impact of Aquatic Pollution on Fish
Abstract: Freshwater is one of the most important natural resources that are used for various activities in our daily lives. Here, 70% of our Nation’s liquid freshwater is unfit for consumption. Effect of heavy metals on hydrophobicity provides general information about the distribution of heavy metals in the atmosphere from different sources around the world, such as atmospheric precipitation, river and lake sediments. Human activities such as chemicals are increasing day …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 13, Issue 1, 2024 · pp. 1–12 Read article
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Invasive Fish Species in India: Challenges, Threats and Impacts
Abstract: There are 31 invasive alien fish species introduced in India for aquaculture purposes, as well as over 600 varieties of ornamental aquarium fishes. Invasions of exotic freshwater fishes have had a negative impact on fish biodiversity. The estimated annual average production of alien species fit for human consumption amounts to approximately 18.2 to 34.5 percent of the annual average production of marketable fish cultures. Many more changes are expected as …
Published in Research & Reviews : Journal of Ecology · Vol. 11, Issue 1, 2022 · pp. 7–14 Read article
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Studies on Length-Weight Relationships and Condition Factor of Common Fish Dawkinsia filamentosa (Cypriniforms: Cyprinidae) from Southern Western Ghats, India
Abstract: AbstractThe present study describes the length-weight relationships and condition factor of a freshwater fish of Dawkinsia filamentosa (Valenciennes, 1844), southern Western Ghats, Tamilnadu, India. A total of 103 fishes were sampled from four mid-order streams (Thalaianai, Iluppaiyar, Gadana and Gundar). Fish samples were caught from March to May 2013. The linear regression parameters ‘a’ and ‘b’ of the length-weight relationship were estimated as W=aLb are presented. The result indicates that …
Published in Research & Reviews : Journal of Ecology · Vol. 4, Issue 1, 2015 · pp. 1–7 Read article
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Induction of Genetic Damage in Peripheral Erythrocytes of the Fish, Anabas testudineus Exposed to Sublethal Concentration of Acid Orange 7
Abstract: Acid orange 7, a synthetic organic compound, generally considered as pollutant, released from the process of chemical textile finishing process was exposed to the freshwater fish Anabas testudineus at sublethal concentration i.e., 0.27 gl-1 for 24, 72 and 96 h, maintaining ten animals per group along with the control. The median lethal concentration of acid orange 7 determined by Probit analysis was 2.7 gl-1 concentration. Sublethal exposure to the azo …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 83–96 Read article
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Assessing the Diversity of Migratory Fishes in the Shivnath River, Chhattisgarh, India
Abstract: The Shivnath River, a major tributary of the Mahanadi River in Chhattisgarh, India, is home to various migratory fish species. These fish are vital to the river’s ecosystem and provide important sources of income and food for local communities. This study looks at the diversity, distribution, and conservation status of these migratory fish species in the Shivnath River. Through extensive field surveys, researchers identified 10 migratory fish species in the …
Published in Research & Reviews : Journal of Ecology · Vol. 14, Issue 1, 2025 · pp. 45–51 Read article
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Pyrethroid Mediated Some Macromolecular and Biochemical Changes in Freshwater Teleost
Abstract: Abstract In present investigation, a freshwater fish Channa punctatus was exposed for 21 days to synthetic pyrethroid malathion at sublethal concentrations of 0.007mg L−1 and 0.093 mg L−1 that represented 10% of the 96 h LC50 of the pesticide for this fish. Tissue samples were collected at the end of the experiment and analyzed to determine oxidant/antioxidants status (catalase, LDH, DNA content, protein content, cortisol, etc.) of the fish. Enzyme …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 2, 2020 · pp. 14–21 Read article
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Review on Zebrafish Model: A Novel Research Tool
Abstract: Zebrafish (Danio rerio) are a small‐bodied tropical, freshwater fish species originally from South Asia. The ease of care, year‐round prolific breeding, and transparent, external development have made these fish a popular model vertebrate for many fields of biology. Over the past 40years, the development methods for genetics, CNS system, CVS system and cancer and other researches have shown rapid development. This review provides an orientation to the zebrafish as a …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 6, Issue 3, 2019 · pp. 18–30 Read article
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A Comprehensive Review on Ethnomedicinal Uses of Fishes in Asia
Abstract: In Asia, fish hold a multifaceted role as crucial dietary and economic resources, cultural symbols, and traditional ethnomedicine remedies. With over 4,000 known freshwater and marine fish species in Asian waters, these aquatic creatures feature prominently in the region's diverse ethnomedical traditions. The continent's numerous ethnic groups, each with unique indigenous medical practices, often rely on traditional ethnomedicine due to limited access to modern allopathic healthcare. The paper delves into …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 3, 2023 · pp. 24–28 Read article
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Histopathological Effects of Silver Nanoparticles on Gills and Liver of Freshwater Fingerlings Catla catla (Ham.)
Abstract: Fish is the best biomarker to identify the adverse effect on surroundings. Here, the fingerlings of major carp (Catla catla) were used as a model in the present work to investigate the toxicity caused by silver nanoparticles (AgNPs). The fish exposed to different concentrations of 10 μg/L and 30 μg/L AgNPs for 15 days were sampled at days 5, 10 and 15 for histology. This exposure caused organ injuries, and …
Published in Research and Reviews: A Journal of Toxicology · Vol. 6, Issue 1, 2016 · pp. 18–27 Read article
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The Alarming Impact of Microplastics on the Reproductive System of Fish
Abstract: Environmental contaminants that are biologically active significantly affect ecosystems, animals, and human health. Plastic pollution has drawn international attention for its detrimental effect on the environment and biodiversity health. The aquatic ecology of our planet is full of microplastics. Regular, extensive use of nonbiodegradable polymers required several years for them to break down. Over the course of those years, it discharged tiny particles of 100 nm or less. Due to …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 13, Issue 2, 2024 · pp. 8–13 Read article
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Treated Sewage in Fish Farming and Ecological Challenges
Abstract: The use of treated sewage in fish farming presents a sustainable and cost-effective approach towards resource conservation and aquaculture productivity. Treated sewage is enriched with essential nutrients, like nitrogen and phosphorus, which supports the growth of aquatic plants and phytoplankton. These are vital components of aquaculture ecosystems. This practice reduces freshwater dependency and mitigates waste disposal challenges as well as aligns with circular economy principles. Pilot projects in China and …
Published in International Journal of Marine Life · Vol. 2, Issue 1, 2025 · pp. 26–31 Read article