Akintola, S.L., Bakare, S.B., Adewolu, M.A. and Raheem, Q.A.

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...

Heavy metal contaminants in Malapterurus electricus (Gmeli, 1789), Tilapia zillii (Gervais, 1848) and water from Ikpoba Reservoir, Benin City, NIGERIA

Wangboje, O. M. and Ekundayo, O. T.

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...

A review of the effects of dams on the hydrology, water quality and invertebrate fauna of some Nigerian freshwaters

Akindele, E. O.1 and Indabawa, I. I.

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...

Molecular characterization of wild and cultured species of Clarias Scopoli, 1777 and Heterobranchus Geoffroy Saint-Hilaire, 1808 in Zaria,Kaduna State, Nigeria

Yashim, E. Y., Aken'Ova, T. O. L. and Auta, J.

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...

Haematological and histopathological alterations in juveniles of freshwater catfish, Clarias gariepinus (Burchell, 1822) exposed to paraquat

Kachi, J. B. and Ugwumba, O. A.

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...

Composition and distribution of terrestrial molluscs in relation to soil calcium and pH levels in parts of northern Nigeria

Gadzama, I. M. K, Ezealor A.U, Aken Ova T. and Balarabe M. L.

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

Morphometric characteristics and condition factor of Chrysichthys nigrodigitatus (Lacepede, 1803) and Sarotherodon melanotheron (Ruppell, 1852) in the Lagos Lagoon

Emmanuel B. E, Akinniyi O. J. and Inegbedion E. G

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...

Effects of water depth on digestive enzymes activities of Clarias gariepinus (Burchell, 1822) fingerlings

Salisu K. M, Suleiman B. and Abdullahi S. A.

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...

Insecticidal activities of three weed varieties against the Bamboo Powder Post Beetle Dinoderus minutus Fabricius (Coleoptera, Bostrichidae)

Popoola K. O. K, George-Onaho J. A, Alamu O. T. and Ayandokun A. E.

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...

Estimates of home range sizes of Arvicanthis niloticus Desmarest, 1822 (Muridae) in savannah fields near Kano, Nigeria

Rabiu S. and Rose R. K.

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...

Effects of artemether on parasite burden and liver pathology in mice infected with Ibadan isolate of Schistosoma mansoni

Adejoro F. T, Ilo E, Ohore O. G. and Odaibo A. B.

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...

Length-weight relationship and relative condition factor of Gorean snapper, Lutjanus goreensis (Valenciennes, 1830) in the coastal zone of Lagos, south-west Nigeria

Fakoya, K. A. Anetekhai, M. A. and Saba, A. O.

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, ...

Histological, microbiological, physicochemical and heavy metals evaluation of effluent from Kara Cow Market, Ogun State, Nigeria in guppy fish (Poecilia reticulata)

Sogbanmu, T. O., * Sosanwo, A. A. and Ugwumba, A. A. A.

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...

Low levels of heavy metals in shrimps (Decapoda:  Atyidae) from Omodo River in southern Nigeria

Dirisu, A. R. *

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...

Cestode infections of two clariid and two claroteid catfish species in River Galma, Zaria, Nigeria

Ibrahim, Z. A., Aken’Ova, T. and Luka, S. A.

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...

Parasitofauna of ground-dwelling anurans from cocoa plantations in Ugboke, Edo State, Nigeria

Edo-Taiwo, O. and Aisien, M. S. O.*

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)...

Histopathological alterations in gills, kidney and liver of Nile Tilapia (Oreochromis niloticus) fingerlings exposed to aqueous leaf extract of Desert Date (Balanites aegyptiaca)

Wakawa, A. I. and Audu, S. B.

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...

Effects of collection zones and storage on hatchability and survival of feral helmeted guineafowl (Numida meleagris galleata pallas) eggs

Yusuf, A. A.,3 Jayeola, O. A.,1 Osunsina, I. O. O.,1 and Dedeke, G. A.

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

Seasonal and spatial occurrence of plankton and environmental variables in
Ogun coastal water on the Bight of Benin

Ojelade O. C.*, Omoniyi, I. T., Abdul, W. O. and Arowosegbe

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...

Fish types, breeding grounds and migratory routes in Akwa Ibom State, Nigeria

Okogwu, O. I*, Elebe, F. A. and Nwonumara, G. N.

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...

Assessment of the incidence of microplastics at Ndibe, Cross River, Nigeria

Nwonumara, G. N. *, Okoro, P. O. and Okogwu, O. I.

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...

Assessment of benthic macroinvertebrate fauna as bio-indicator and physicochemical characteristics in the Gulf of Guinea off western Nigerian shore

Bassey, B. O*., Olapoju, O. A.*, Yakub, A. S., Igbo, J. K., Bello, B. O., Abiodun, O. A., Nosazeogie, E. O., Izge, M. A. and Haruna, A. F.

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...

Observations on the feeding activities of the West African Manatee, Trichechus senegalensis Link, 1795 in a semi-wild environment

Egwali, E. C.,* Akpan, A. U., Esenowo, I. K., Nelson, A. U., Chukwu, M. N. and Adeyemi-Ale, O. A.

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...

Acute and sub-lethal toxicity in African mud catfish (Clarias gariepinus, Burchell, 1822) exposed to some pesticides

Akeredolu, O. E.*, Ekele, S. A., Olaleru, F. and Egonmwan, R. I.

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...

Temporal changes in limno-morphometric characteristics in a floodplain lake within Cross River ecosystem during low water period

Nwonumara, G. N.* and Okogwu, O. I.

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...

Acute toxicity of Primextra Gold on freshwater fish, Clarias gariepinus (Burchell 1822)

Elebe, F. A *

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...

Assessment of some physical, chemical and biological parameters of Lake
Dangana, Niger State, Nigeria

Adamu, K. M. , Mohammed, Y. M. *, Ibrahim, U. F. , Abdullahi, I. L. and Jimoh, Y. O.

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...

Ethnobotanical study of plants used for treating intestinal worms in Ibadan,

Afolayan, F. I. D. * and Sowemimo, R.

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 physico-chemical variables and phytoplankton of Ufiobodo and Ebonyi
Reservoirs, Ebonyi State, Nigeria

Nwonumara, G. N.* Elebe, F. A. and Nwibo, O. D.

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...

Diversity, distribution and abundance of fish species in Lake Asejire, Oyo
State, Nigeria

Ipinmoroti, M. O.* and Iyiola, A. O.

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...

Nutritional and socio-economic analyses of processed catfish (Clarias gariepinus) using three kilns in Lagos State, Nigeria

Ogunbambo, M.M.*, Akapo K.M. and Chetuya O.G.

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...

Quality assessment of smoke-dried Clarias gariepinus and Chrysichthys
nigrodigitatus stored in two storage facilities

Osibona, A. O.* and Amaechi, C.

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...

Aspects of the growth and reproductive characteristics of Labeo coubie
(Ruppell 1832) in Upper Benue River, Nigeria

Ajijola, K. O. *, Ugwumba, A.A.A. and Sogbesan, O. A.

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...