Results 11 to 20 of about 321,109 (305)
Zoologia (Curitiba), 2011 This work evaluated the efficiency of clove oil as anaesthetic in handling and transportation of Nile tilapia, Oreochromis niloticus (Linnaeus, 1758). In the first experiment, safety concentrations of clove oil were assessed by measuring induction times ...
Larissa N. Simões +3 more
doaj +1 more source
Cuadernos de investigación UNED, 2022 Introduction: Despite having a rich and diverse native freshwater fish fauna, exotic species have been introduced to Panama since the 20th century. Objective: To report its presence in the fresh waters of Panama of a newly recorded exotic fish. Methods:
Rigoberto González Gutiérrez
doaj +1 more source
Reproductive strategies and genetic variability in tropical freshwater fish
Genetics and Molecular Biology, 2007 We estimated the genetic variability of nine fish species from the Brazilian upper Paraná River floodplain (Astyanax altiparanae, Hoplias malabaricus, Leporinus lacustris, Loricariichthys platymetopon, Parauchenipterus galeatus, Pimelodus maculatus ...
Maria Dolores Peres Lassala +1 more
doaj +1 more source
Ecological speciation in tropical reef fishes [PDF]
Proceedings of the Royal Society B: Biological Sciences, 2005 The high biodiversity in tropical seas provides a long-standing challenge to allopatric speciation models. Physical barriers are few in the ocean and larval dispersal is often extensive, a combination that should reduce opportunities for speciation.
Rocha, Luiz A. +3 more
openaire +2 more sources
Ciência Rural, 2011 A growth experiment was conducted to determine the optimal dietary protein requirement for juvenile cachama, Piaractus brachypomus. Six semi-purified isoenergetic experimental diets using casein and gelatin as protein sources were formulated to contain ...
Wálter Vásquez-Torres +2 more
doaj +1 more source
A method for estimating the rate of shedding of tags from yellowfin tuna [PDF]
, 1965 ENGLISH: The present paper describes a new method for estimating the shedding rate of tags. The method utilizes not only data on tagging and recovery of fish marked with two tags but also data from those marked with one.
Chapman, Douglas G. +2 more
core +1 more source
Investment opportunity in aquarium technology. Export marketing of tropical aquarium fishes [PDF]
, 1987 A brief account is given of the demand for ornamental fish, providing also estimates of world trade volume. The major importing countries are the USA, Japan, Germany, the UK and the Netherlands.
Odunaiya, O.
core
Advanced Functional Materials, EarlyView.This study demonstrates a Maya blue‐inspired hybrid solar evaporator using commercial black acrylic paint, achieving 98% solar‐thermal conversion efficiency and 2.39 kg m−2 h−1 water evaporation rate through a durable, hydrophilic organic–inorganic structure that enables scalable, cost‐effective desalination and wastewater purification.
Dao Thi Dung +5 more
wiley +1 more source
FishesHesperozygis ringens essential oil (HREO), rich in pulegone and limonene, has potential application in aquaculture due to its beneficial properties. This study evaluated the effects of dietary supplementation with HREO (0.0, 0.75, 1.0, and 2.0 g HREO kg ...
Thamara Bentivole Magalhães +10 more
doaj +1 more source
Aquaculture Environment Interactions, 2014 Expansion of sea-cage aquaculture has increased incidences of large-scale escapes of farmed fish. Whilst escape events are relatively well-characterised for temperate fish species, such as salmonids, there are no studies that report the occurrence and ...
TH Noble, C Smith-Keune, DR Jerry
doaj +1 more source