Results 111 to 120 of about 10,315 (217)

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

The Environmental Effect on Spawning Time, Length at Maturity and Fecundity of Kutum (R u t i l u s f r i s i i k u t u m , Kamensky, 1901) in Southern Part of Caspian Sea, Iran [PDF]

open access: yes, 2011
Fish sampling were carried out using beach seines during the fishing season from early October 2006 to mid April 2007. The gonadosomatic indexes (GSI) in range and average for female and male were 0.03 to 40.28 (5.70 ± 6.48) and 0.13 to 16.71 (3.39 ± 2 ...
A. Bani   +6 more
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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  

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
core  

The Relationship of Gonadosomatic Index and Hepatosomatic Index in Two Different Age Groups of Common Carp [PDF]

open access: yesInternational Journal of Current Microbiology and Applied Sciences, 2020
Lovedeep Sharma, R. N. Ram
openaire   +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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Length-weight relation, condition factor and gonadosomatic index of the whitemouth croaker, Micropogonias furnieri (Desmarest, 1823) (Actinopterygii: Sciaenidae), caught in Lençóis Bay, state of Maranhão, eastern Amazon, Brazil

open access: yesBrazilian Journal of Oceanography
The whitemouth croaker, Micropogonias furnieri, which is exploited off the state of Maranhão, Brazil, reinforces the need for maintenance programs of natural stocks of this species to assist in the management of this exploited resource.
James Werllen de Jesus Azevedo   +2 more
doaj   +1 more source

Morphological, anatomical and reproductive features of Loliolus (Loliolus) hardwickei (Gray, 1849) caught from the Vizhinjam Coast, Kerala, India [PDF]

open access: yes, 2018
The morphological, anatomical and reproductive features of the little Indian squid, Loliolus (Loliolus) hardwickei (Gray, 1849) were studied based on samples collected from boat seine operated along the Vizhinjam Coast.
Anil, M K   +3 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

Some aspects of the biology of 'ikan kelabau' Osteochilus melanopleura (Bleeker) [PDF]

open access: yes, 1983
This study reports on the biology of 'ikan kelabau', Osteochilus melanopleura, a popular indigenous food fish. The length-weight relationship of this fish can be expressed by the equation, Log W = 3.0596 Log L -4.5330.
Ang, K. J.   +2 more
core  

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