Articles in Hydrobiology-and-fisheries

Quantitative analyses of bacterial flora associated with the intestine of Macrobrachium vollenhovenii,sediment and water from Epe lagoon and Badagry Creek were carried out. Total viable counts (TVC) ofbacteria in the intestine of the prawn ranged...

The effect of fertilization on the physico-chemical water quality of six selected earthen fishponds in Ife North Local Government Area of Osun State was investigated for a period of two years sampling the ponds every other month. The fish ponds we...

The study was carried out to evaluate the potential health risk associated with the consumption of fish and water from the Ikpoba Reservoir, with regard to heavy metal contamination. The concentrations of some heavy metals, Manganese (Mn),Zinc (Zn...

In this paper, the effects of dams on the hydrology, water quality and invertebrate fauna of some Nigerian inland waters were reviewed. The freshwaters considered include Awba Reservoir (Oyo State), Shiroro Lake (Kaduna State), Moro Lake(Kwara Sta...

Genetic studies on wild and cultured species of Clarias and Heterobranchus were conducted from August 2012 to January 2013. A total of forty (40) specimens comprising Clarias gariepinus (10), C. anguillaris...

Paraquat, a chlorinated contact herbicide is mainly used to control weeds in agriculture. The use of this herbicide may lead to its excess being washed away into aquatic ecosystems during surface runoff thereby affecting non-targeted organisms inc...

The composition and distribution of terrestrial molluscs was studied for three years in different terrestrial habitats in northern Nigeria. This was done to determine the terrestrial mollusk fauna, establish their taxonomic positions and assess

One hundred and fifty (150) specimens of Sarotherodon melanotheron and 150 specimens of Chrysichthys nigrodigitatus were collected from Better-life Fish Market in Makoko area of Lagos State between June-August 2016 to provide inf...

The effects of water depth on the digestive enzymes activities of Clarias gariepinus was investigated. Ten concrete tanks (50x150x100 cm capacity) were used; each tank was filled with water at different experimental water depths (25, 50...

The insecticidal activities of crude ethanol extracts of leaves of three weed species, Siam weed, Chromolaena odorata Linn., Milk weed, Euphorbia heterophylla Linn. and Tree Marigold Tithonia diversifolia (Hemsl.) A, Gra...

Determination of rodent home range (HR) is invaluable for characterizing population distribution and strategies for accessing food, mate and nest sites, as well as, dispersal into new fields. The present study, in savannah fallow fields near Kano...

This study aimed at evaluating the pathological features associated with Schistosoma mansoni infection and assessment of the efficacy of artemether in the treatment of intestinal schistosomiasis in laboratory mice. Cercariae harvested fro...

Snappers are highly recommended as choice seafood and as viable candidate for cage culture in the brackish water and marine environments. However, very limited data exists on biological parameters of the snappers, ...

The Ogun River is a sink for untreated effluents discharged from the Kara Cow Market, Ogun State. In this study, microbiological, physicochemical and heavy metals evaluation were carried out on effluent from the market...

Shrimps remain an important source of proteins worldwide. The contamination of the environments with effluence such as from domestic, healthcare systems, industrial waste discharges and agricultural run-offs; are posin...

Four catfish (Siluriformes) species comprising two clariids, Heterobranchus bidorsalis (65) and Heterobranchus longifilis (15) and two claroteids, Auchenoglanis occidentalis (31) and Chrysichthys auratus (19) fr...

The parasitofauna of ground-dwelling anurans from pesticide-treated cocoa plantations (CP) in Ojo Camp, Ugboke, Edo State of Nigeria were investigated and compared with those recovered from host specimens collected from the village settlement (VS)...

One of the many biomarkers for determining the effects of pollutants on fish is changes in organ histopathology. Leaves of Balanites aegyptiaca have been reported to have phytochemicals with fish anaesthetic property. This study sought to...

The desire to shore up the shortfall in protein supply, the increased awareness of the importance of cholesterol free
animal protein, like guineafowl, and the need to conserve their wild genes, have necessitated studies on improved
capti...

The influence of environmental variables on the seasonal and spatial distribution of plankton was studied for 24 months between February 2015 and January 2017 in the marine coastal water of Ogun State, Nigeria. The coastline was stratified into th...

Akwa Ibom State is one of the six maritime states in Nigeria and has a shoreline of approximately 129km. Three important rivers (Cross, Imo and Kwa Ibo) transiting through some Nigerian states, terminally pass through the state before discharging...

The menace of microplastics in the aquatic ecosystems is of increasing concern worldwide mainly due to their impact on the entire ecosystem and human health. In order to contribute to knowledge, the incidence of microplastics in water and fish sam...

Benthic macroinvertebrates are helpful bio-indicators providing better understanding of modified and perturbed aquatic ecosystems. This study seeks to determine the ecological status and diversity of the macroinvertebrate community in relation to...

The presence of the West African manatee, Trichechus senegalensis in a semi-wild holding facility in Little Stream Farm, Ibesikpo Asutan Local Government Area, presented an opportunity to study directly, aspects of their biology, which hi...

Pesticides from agricultural run-off pose a severe threat to non-target organisms, such as fishes. This study was carried out to evaluate acute toxicity and histological and genotoxic effects (erythrocytic nuclear abnormalities) of lethal and subl...

Iyieke Lake is one of the floodplain lakes within the middle reaches of the Cross River, it is a major foraging and breeding site of several fish species. It is not directly connected to any river, so the water level depends on seasonal inundation...

The need to boost food productivity to meet the demands of the ever-increasing human population necessitates the frequent use of agrochemicals. Primextra Gold containing atrazine (329g/l) and S-metolachlor (400g/l) is commonly used in agriculture...

Ecological systems change over time due to anthropogenic and natural activities, regular monitoring is therefore necessary for identifying malignant changes and conservation of biodiversity. This study was undertaken to ascertain the health and bi...

Poverty and poor sanitation in sub-Saharan Africa are the main reasons for parasitic infection prevalence. Medicinal herbs have been sources of natural and cheaper remedies for the treatment of many parasitic infections, including intestinal paras...

The water quality and phytoplankton of Ufiobodo and Ebonyi River reservoirs were studied for nine months from March to November, 2019 to evaluate the suitability of the reservoirs for domestic water supply and habitat for aquatic organisms. Temper...

Aquatic systems in Nigeria have suffered stress induced by human activities which alter the natural composition of the water resources. This study investigated the diversity, distribution and abundance of fish species in Lake Asejire. The lake was...

Smoke-drying is a major way of processing catfish and this prompted the study of nutritional and socio-economic assessment of smoke-dried catfish in Makoko fish market in Lagos State, Nigeria. Standard methods were utilised for the analyses of pro...

The quality of smoke-dried fish can be enhanced by storing the products in good storage facilities. This research was carried out to determine the proximate composition, microbiological quality and sensory properties of smoke-dried Clarias gar...

Labio coubie is an ecologically and economically important fish of River Benue, thus the length-weight relationship, condition factor and fecundity of the fish were investigated in order to provide information essential for its sustainabl...