Results 71 to 80 of about 2,569 (174)

Length-weight relationship, condition factor and gonado-somatic index of Labeo calbasu (Hamilton, 1822)

Journal of Fisheries, 2018
An attempt was made to study dynamics of length-weight relationship (LWR), relative condition factor (Kn) and gonado-somatic index (GSI) of Labeo calbasu from the wetlands of South 24 Parganas district of West Bengal, India. A total of 275 fish specimens
E Vahneichong, Sudhir Kumar Das, Anandamoy Mondal, Dibakar Bhakta   +3 more
doaj  

Reproductive traits and population structure of Astyanax aeneus (Characiformes: Characidae) from a subtropical river in Mexico

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, Jacinto Elias Sedeño-Díaz, Julio A. Camargo, Eugenia López-López   +3 more
doaj  

Effect of Insecticide Dichlorvos on Ovaries of Mosquito Fish Gambusia affinis (Baird and Girard)

مجلة بغداد للعلوم, 2011
The toxicity of insecticide dichlorvos (90%) was tested in ovaries of mosquito fish using three sublethal concentrations (0.3, 0.6, 0.8 µg/L) and studied their effects on the means of body and ovary weights, gonadosomatic index, ovum size and ova number.
Baghdad Science Journal
doaj   +1 more source

Social and reproductive physiology and behavior of the Neotropical cichlid fish Cichlasoma dimerus under laboratory conditions

Neotropical Ichthyology
In 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, Maximiliano Cánepa, Renata Guimarães Moreira, Matías Pandolfi   +3 more
doaj   +1 more source

STUDIES OF ANNUAL GONADAL DEVELOPMENT AND GONADAL ULTRASTRUCTURE IN SPINY-CHEEK CRAYFISH (ORCONECTES LIMOSUS)

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., HULÁK M., POLICAR T., TICHÝ F.   +3 more
doaj   +1 more source

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, Mohd Pauzi Mardhiyyah, Mohd Affendi Izzah-Syafiah, Harman Muhd-Farouk, Hidayah Manan, Hairul Hafiz Mahsol, Musa Nadirah, Mhd Ikhwanuddin   +7 more
doaj   +1 more source

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, Dadile AM, Syukri F, Christianus A, Diyaware MY.   +4 more
europepmc   +1 more source

Data on length-weight and length-length relationships, mean condition factor, and gonadosomatic index of Rutilus rutilus and Perca fluviatilis from the Ob River basin, Western Siberia. [PDF]

Data Brief, 2022
Shuman LA, Selyukov AG, Nekrasov IS, Elifanov AV, Yurchenko VV.   +4 more
europepmc   +1 more source

Female reproductive cycle of the Southwestern Atlantic estuarine crab Chasmagnathus granulatus (Brachyura, Grapsoidea, Varunidae)

Scientia Marina, 2004
The female reproductive biology of a Chasmagnathus granulatus population inhabiting the area near the mouth of Mar Chiquita coastal lagoon, Argentina, was studied.
Romina B. Ituarte, Eduardo D. Spivak, Tomás A. Luppi   +2 more
doaj   +1 more source

[Fertility, fecundity and gonadosomatic index of Poecilia reticulata (Pisces: Poeciliidae) in Heredia, Costa Rica].

Revista de biologia tropical, 2004
Entre setiembre y noviembre de 1998 se determinó la fecundidad, fertilidad e índice gonadosomático de Poecilia reticulata (Peters 1859), a partir de especímenes recolectados en un estanque en Santo Domingo de Heredia, Costa Rica. Las hembras presentaron una longitud total promedio de 34.43 ± 7.26 mm con un ámbito entre 17.80 y 51.50 mm y un peso total ...
Urriola Hernández, Mario, Cabrera Peña, Jorge, Protti Quesada, Mauricio   +2 more
openaire   +2 more sources