Revista de Biología Tropical, 2013 Champotón River is an unknown area within the Mesoamerican hotspot in Southestern México. Reproductive traits and population structure of Astyanax aeneus were analyzed along an environmental gradient of the upper, middle and lower sections of the river ...
Patricia Trujillo-Jiménez +3 more
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Neotropical IchthyologyIn this work we describe for the first time the social and reproductive behavior of the Neotropical fish Cichlasoma dimerus (Heckel, 1840) [Perciformes: Cichlidae], endemic to the Paraná River basin, using a comprehensive-integral approach, including ...
Felipe Alonso +3 more
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Dataset on reproductive status of ovary mud crab at different salinity levels
Data in Brief, 2019 This article investigated how crabs responded to different culture salinities through ovarian maturation stages using combination of external morphology (ovarian coloration and gonadosomatic index), and histological assessment (oocyte structures and ...
Adnan Amin-Safwan +7 more
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Gonadosomatic index, fecundity and egg size of (Synodontis) S. eupterus (Boulenger) in River Rima, north western Nigeria [PDF]
, 2012 This study was conducted to provide information on gonadosomatic index, fecundity and egg size on S. eupterus from River Rima, North-Western Nigeria, from November 2005 and December 2008. 1,610 samples, comprising of 781 females, 816 males and 13 samples
Mamman, T., Shinkafi, B.A.
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Variation in biochemical composition during gonad maturation of the tropical abalone Haliotis varia Linnaeus 1758 (Vetigastropoda: Haliotidae) [PDF]
, 2007 Biochemical changes in the body components during gonad maturation of the tropical abalone Haliotis varia were investigated using wild collected specimens from the Gulf of Mannar, on the southeast coast of India.
Najmudeen, T M
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Evaluation of Fecundity, Fertilization, Hatching, and Gonadosomatic Index of Exotic Clarias gariepinus (Burchell, 1822) and Native Clarias macromystax (Gunther, 1864) under Semi-Arid Conditions of Nigeria. [PDF]
Animals (Basel), 2023 Esa YB +4 more
europepmc +1 more source
Reproduction, age and growth of the Indian mackerel, Rastrelliger kanagurta (Cuvier, 1816) from Sofala Bank, Mozambique [PDF]
, 1985 A compilation of all the available information on the main small pelagic fish resources of Mozambican waters is presented. Resource data on distribution areas, reproduction, age, growth and stock size are described.
Gislason, H., Sousa, M.I.
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On the biology of the European flying squid Todarodes sagittatus (Lamarck, 1798) (Cephalopoda: Ommastrephidae) in the central eastern Atlantic [PDF]
, 1998 A total of 206 specimens of the ommastrephid squid Todarodes sagittatus, obtained from three areas of the central eastern Atlantic (Canary Islands/African coast, Madeira, and the Gettysburg Bank area south of Portugal) were examined.
Clarke, M.R. +2 more
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Journal of Veterinary Medical Science, 2002 To study the effect of estrogenic chemicals on fish, the gonadosomatic index (GSI = [testis weight/body weight] x 100) and testis histology of mature common carp (Cyprinus carpio) from 2 contaminated sites (Ishizu and Wada rivers, Osaka) and a control site were examined between June 1998 and March 2001. The concentration of nonylphenol, bisphenol A and
Amin, Hassanin +6 more
openaire +3 more sources
Knowledge and Management of Aquatic Ecosystems, 2007 The aim of this study was to follow the gonadal development in freshwater crayfish Orconectes limosus (Rafinesque) by histological examination of ovaries and testes as well as monthly investigation of the gonadosomatic index over a period of one year ...
KOZÁK P. +3 more
doaj +1 more source