Results 61 to 70 of about 289,293 (264)

Comparison of ovarian cycles of Hungarian riverine fish species representing different spawning strategies [PDF]

open access: yes, 2008
Investigations on the ovarian cycle of fish species that inhabit Hungarian rivers are necessitated by both environmental and economic reasons. The objective of our research was to explore new fundamental knowledge concerning the ovarian cycle of the ...
Baska, Ferenc   +6 more
core   +1 more source

Hormone-induced spawning of wild and captive-grown spotted rose snapper Lutjanus guttatus using carp pituitary suspension and human chorionic gonadotropin

open access: yesCiencias Marinas, 2011
Hormone-induced spawning of the spotted rose snapper Lutjanus guttatus was studied using wild and cage-grown fish. Carp pituitary suspension (CPS) and human chorionic gonadotropin (hCG) were assessed.
J Boza-Abarca   +4 more
doaj   +1 more source

Results of a study to detect spawning marks in otoliths of Northern anchovy, Engraulis mordax [PDF]

open access: yes, 1976
An attempt was made to detect spawning marks on the otoliths (sagittae) of the northern anchovy, Engraulis mordax, from waters of the Southern California Bight.
Coy, David G., Gregory, Paul A.
core  

Distribution of pacific cod Gadus macrocephalus (Gadidae) and functional structure of the habitat in the northern Japan Sea and some issues on regulation of the fishery

open access: yesИзвестия ТИНРО
Seasonal and bathymetric distribution of the main age groups of pacific cod in the northern Japan Sea are considered on the data of bottom trawl surveys in 1980–2023. The main wintering and spawning accumulations, where the fish concentrate from December
А. О. Zolotov
doaj   +1 more source

The Use of Daily Growth to Analyze Individual Spawning Dynamics in an Asynchronous Population: The Case of the European Hake from the Southern Stock

open access: yesFishes, 2022
Daily growth patterns and their relationship with reproduction was analyzed in the European hake from the Galician Shelf, where it shows a very protracted spawning with three spawning peaks.
Cristina García-Fernández   +2 more
doaj   +1 more source

Reproductive biology of carpenter seabream (Argyrozona argyrozona) (Pisces: Sparidae) in a marine protected area [PDF]

open access: yes, 2005
The carpenter seabream (Argyrozona argyrozona) is an endemic South African sparid that comprises an important part of the handline fishery. A three-year study (1998−2000) into its reproductive biology within the Tsitsikamma National Park revealed that ...
Brouwer, Stephen L., Griffiths, Marc. H.
core  

Implications of fisheries during the spawning season for the sustainable management and recovery of depleted fish stocks: a conceptual framework [PDF]

open access: yes, 2009
Fishing during the spawning season may negatively affects the reproductive potential and reproductive dynamics of exploited fish stocks due to a variety of mechanisms such as the disturbance of the natural spawning behaviour, effects on the age, size and
Rijnsdorp, A.D.
core   +1 more source

A mesocosm experiment investigating the effects of substratum quality and wave exposure on the survival of fish eggs [PDF]

open access: yes, 2010
In a mesocosm experiment, the attachment of bream (Abramis brama) eggs to spawning substrata with and without periphytic biofilm coverage and their subsequent survival with and without low-intensity wave exposure were investigated.
A Herzig   +46 more
core   +1 more source

Spawning Sites of the Japanese Eel in Relation to Oceanographic Structure and the West Mariana Ridge

open access: yesPLoS ONE, 2014
The Japanese eel, Anguilla japonica, spawns within the North Equatorial Current that bifurcates into both northward and southward flows in its westward region, so its spawning location and larval transport dynamics seem important for understanding ...
J. Aoyama   +6 more
semanticscholar   +1 more source

BIOLOGICAL AND ECOLOGICAL CHARACTERISTICS OF VARIEGATED SCALLOP Chlamys varia (LINNAEUS, 1758.) – AS THE BASIS FOR FARMING [PDF]

open access: yesCroatian Journal of Fisheries, 2012
Pectinides are a highly regarded sea product among the consumers. Huge efforts are being made for the development of farming technology. All around the world the local species of the Pectinidae family are being consumed along with some newly introduced ...
Nenad Antolović, Mara Antolović
doaj  

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