Results 111 to 120 of about 10,216 (225)

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.
core  

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  

The reproductive cycle of the thorny skate (Amblyraja radiata) in the western Gulf of Maine [PDF]

open access: yes, 2005
The thorny skate (Amblyraja radiata) is a large species of skate that is endemic to the waters of the western north Atlantic in the Gulf of Maine.
Danley, Patrick D.   +6 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

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

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
core  

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

Influence of indices of reproduction on condition factor and some morphometric features of Tilapia guineensis [PDF]

open access: yes, 2012
The influence of indices of reproduction (Gonadosomatic index-GSI-and Hepatosomatic index -HSI-) on condition factor and morphometric features of Tilapia guineensis were examined using 160 fish comprising 70 females and 90 males.
Sikoki, F.D., Uka, A.
core  

Fecundity of Otolithes ruber (Scneider, 1801) in Khuzestan coastal waters [PDF]

open access: yes, 1999
To study on fecundity of O. ruber, in spawning season, 31 samples caught in Khouzestan waters on Feb. 1996 to April 1997 were examined, and gravimetry method was used. Maximum absolute fecundity were 1483369 ± 14409 and 81726± 1831 eggs respectively, and
Amirinia, C.   +3 more
core  

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