Results 121 to 130 of about 3,896,690 (244)

Some aspects in early life stage of snake head fish, Channa striatus larvae [PDF]

open access: yes, 2011
The sexual maturity of female snake head fish, Channa striatus was studied by determining fecundity and gonadosomaticindex (GSI). It was found that the size at sexual maturity of female snake head fish was 26.45±3.07 cm (mean ± SD,n=10) in total length ...
Ponpanom Promkaew2   +2 more
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Fecundity Study and Histological Analysis of the Gonads of the Sea Cucumber Holothuria tubulosa (Echinodermata: Holothuroidea) in the Central Aegean Sea, Greece: Insights into Reproductive Biology

open access: yesFishes
The Atlanto-Mediterranean sea cucumber Holothuria tubulosa is a species of great ecological and commercial importance, making it a primary target for collection in the Mediterranean region. This study investigated the reproductive biology of H. tubulosa (
Athina Balatsou   +2 more
doaj   +1 more source

Reproduction, age and growth of the round scad Decapterus macrosoma Blecker 1851, Carangidae from Mozambique [PDF]

open access: yes, 1987
Reproduction, age and growth of Decapterus macrosoma Blecker, 1851 were studied. The data were collected in Sofala Bank from commercial bottom trawlers and surveys. A total of 5,500 individuals were examined during the period 1979-1982.
Gjøsaeter, J., Sousa, M.I.
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Gonadosomatic Index (GSI) of Sardinella lemuru from Pantukan, Davao de Oro

open access: yesWorld Journal of Environmental Research
This study investigates the gonadosomatic index of Sardinella lemuru, a commercially important species inhabiting highly productive marine environments. Despite its economic and ecological value, there is limited information on the reproductive biology of this species, particularly concerning the gonadosomatic index, which is essential for ...
openaire   +1 more source

Corporal and testicular biometry in wild boar from birth to 12 months of age Biometria corporal e testicular de javalis do nascimento aos 12 meses de idade

open access: yesRevista Ceres, 2013
The aim of this tudy was to evaluate corporal and testicular development in wild boars (Sus scrofa scrofa) from birth to 12 months of age, evaluating body weight, biometric testicular parameters, and gonadosomatic index.
Danillo Velloso Ferreira Murta   +4 more
doaj  

Interpopulational differences in the female reproductive cycle of the southwestern Atlantic estuarine crab Chasmagnathus granulatus Dana, 1851 (Brachyura: Grapsoidea: Varunidae)

open access: yesScientia Marina, 2006
The female reproductive biology of Chasmagnathus granulatus Dana, a semiterrestrial burrowing crab endemic to the southwestern Atlantic, was compared in two contrasting coastal habitats: San Antonio (SA, marine) and Mar Chiquita (MC, estuarial).
Romina B. Ituarte   +3 more
doaj   +1 more source

Some aspects on the reproductive cycle of European conger eel, Conger conger (Linnaeus, 1758) (Osteichthyes, Anguilliformes, Congridae) captured from Western Algerian coasts: a histological description of spermatogenesis [PDF]

open access: yes, 2011
The aim of this work was to study the annual reproductive cycle of European conger eel (Conger conger,Linnaeus, 1758) through analysis and description of spermatogenesis.
Abi-ayad Sidi-Mohammed El-Amine
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Estimates of body sizes at maturation and at sex change, and the spawning seasonality and sex ratio of the endemic Hawaiian grouper (Hyporthodus quernus, F. Epinephelidae) [PDF]

open access: yes, 2011
A case study of the reproductive biology of the endemic Hawaiian grouper or hapu’upu’u (Hyporthodus quernus) is presented as a model for comprehensive future studies of economically important epinephelid groupers.
DeMartini, Edward E.   +2 more
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Effect of temperature on gonadosomatic index (GSI) of Oreochromis karongae (Trewavas)

open access: yes, 2002
Japan International Cooperation Agency (JICA) Publication has 'Aqua-Fish Aquaculture and Fisheries Technical Report' on title ...
Kamanga, L.J.   +4 more
openaire   +2 more sources

Reproduction characteristics of the Vimba vimba persa (Pallas, 1811), in coastal waters of the Caspian Sea [PDF]

open access: yes, 2011
Some reproduction characteristics of the Caspian Vimba, Vimba vimba persa, were studied from Oct. 2008 to Sep. 2009 in coastal waters of the Caspian Sea (Mazandaran province).
Chaichi, A.R.   +4 more
core  

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