A study was conducted on fish species composition and morphological features of five dominant fish families from the inland waters of Kebbi state, Nigeria between January and December 2017. Three major fishing communities (Argungu, Sabiyel and Yauri) were selected for the study....
Open access
Research Article10.9734/ajfar/2019/v3i130024
The expression of heat stress biomarkers in wild and cultured African catfish Clarias gariepinus was investigated in this study. Twenty wild and cultured fish species of average weight of 400±50g were obtained from Owena dam, (Latitude: 7°20'46.04"Longitude: 4°59'54.99") and a re...
Open access
Research Article10.9734/ajfar/2019/v3i130025
The aim of this study was to assess the chronic toxicity of Corexit 9500 on histology of liver and gill of juveniles of Clarias gariepinus. Range finding tests were conducted over a 96-hr period after acclimatization of the test organisms in the C.P. Powell laboratory in the Univ...
Open access
Research Article10.9734/ajfar/2019/v3i130023
Understanding aquatic ecosystem dynamics is fundamental to sustainable development of aquaculture. This study explores the water quality characteristics over temporal and spatial scale in Tono and Vea Reservoirs in the Upper East Region of Ghana for aquaculture development. Water...
Open access
Research Article10.9734/ajfar/2019/v3i130022
The aim of the present study was to determine the effects of high stocking density on mineral content of muscle and liver in brown trout. Juvenile fish were stocked in experimental tanks as triplicates for 90 days. Initial stocking density was 10 kg m-3 for control and 50 kg m-3...
Open access
Research Article10.9734/ajfar/2018/v2i430019
Usage of some legumes and oil seed meal as fishmeal substitute is hampered by low protein content and anti nutritional factors (ANF). Inclusion of some exogenous enzyme cocktail like phytase, xylanase can reduce some ANF but is costly. Solid state fermentation of plant proteins i...
Open access
Research Article10.9734/ajfar/2018/v2i430018
The length -weight relationship and condition factor (K) of fish species caught by cast net were studied from three stations in the New Calabar River, Rivers State, Nigeria. A total of 1541 specimens of 26 fish species and representing 11 families were randomly collected using ca...
Open access
Research Article10.9734/ajfar/2018/v2i430017
Aims: The present study aimed to determine the growth indices of the Nile Tilapia, detected levels of Cu, Pb, Zn, and Cr in muscles of Tilapia and expected the potential adverse human health risks according to USEPA methodologies. Study Design: The design of the study depended on...
Open access
Research Article10.9734/ajfar/2018/v2i430016
Thermal changes in water cause many metabolic changes that manifest themselves in physiological fish adaptations. The analysis of hematologic and biochemical blood parameters provides important information on environmental influences on the health status of fish. The hematocrit (...
Open access
Research Article10.9734/ajfar/2018/v2i430015
Global technological advancement has resulted in the gradual replacement of traditional bulk size compounds with nano-sized ones with diverse useful characteristics. This study is focused on the toxicological assessment of three nano-metallic oxides (SiO2, Al2O3 and CuO) in compa...
Open access
Research Article10.9734/ajfar/2018/v2i330013
Tropical coastal zones have rich marine ecosystems; however, they have been enduring severe environmental hazards, particularly from anthropogenic activity and the effects of climate change. Seagrass ecosystem is one of the most productive yet undervalued marine ecosystems. The r...
Open access
Research Article10.9734/ajfar/2018/v2i330011
Four experimental diets were formulated to contain Citrullus lanatus, Moringa oleifera seed meal, Citrullus lanatus and Moringa oleifera seed meals as partial replacement for fishmeal (Treatment 2, 3 and 4 respectively) and Treatment 1 as control, which included fishmeal and soy...
Open access
Research Article10.9734/ajfar/2018/v2i330010
Although sea cucumber Holothuria scabra has always been part of the traditional exploitation of the benthos of Mahout Bay in the Arabian Sea, the foreign demand for the product and its high price have put increased pressure on the resource leading rapidly to overfishing. Aquacult...
Open access
Research Article10.9734/ajfar/2018/v2i330009
Sexual dimorphism of E. calabaricus is presented based on the examination of external morphology of the fish. Females had very pointed anal fins which joined the caudal fin smoothly with fewer than 10 spikes. Males had broader anal fin clearly separated from the caudal fin with b...
Open access
Research Article10.9734/ajfar/2018/v2i328689
The effect of different inclusion levels of wonderful kola (Buchholzia coriacea) seed meal (BSM) on growth performance and survival rate of Oreochromis niloticus fry was investigated. Five days old mixed sex of O. niloticus (0.1– 0.2 g weight and 0.45 mm length) were subjected to...
Open access
Research Article10.9734/ajfar/2018/v2i226489