Results 121 to 130 of about 10,216 (225)

Reproductive characteristics of mackerel scad Decapterus macarellus (Cuvier, 1833) in northern Philippine waters

open access: yesCroatian Journal of Fisheries
Mackerel scad Decapterus macarellus is a highly valuable species in the Philippines municipal and commercial fishing industry, particularly in northern Philippine waters in the Babuyan Channel fishing ground.
Villarao Melanie C.   +1 more
doaj   +1 more source

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  

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

open access: yesNeotropical Ichthyology, 2011
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   +3 more
doaj  

Fecundity and Gonadosomatic Index of Synodontis ngrita from River Osun Southwest Nigeria [PDF]

open access: yesJournal of Fisheries International, 2012
E.A.A. Olojo, A.O. Dosumu, K.B. Olurin
openaire   +1 more source

Diel and seasonal timing of sound production by black drum (Pogonias cromis) [PDF]

open access: yes, 2011
Acoustic recorders were used to document black drum (Pogonias cromis) sound production during their spawning season in southwest Florida. Diel patterns of sound production were similar to those of other sciaenid fishes and demonstrated increased sound ...
Locascio, James V., Mann, David A.
core  

Commercial mariculture of Oreochromis niloticus using net cages [PDF]

open access: yes, 1987
The culture of tilapia has a long history in Africa. Fossil remains of members of the genus have been found which are about 18 million years old (Fryer and Iles, 1972).
Fineman-Kalio, A.S.
core  

Relationship between biological egg characteristics and female brood fish in stellate sturgeon, Acipenser stellatus Pallas, 1771 (Pisces: Acipenseridae) in the Southeast Caspian Sea, Iran [PDF]

open access: yes, 2013
Fecundity is one of the important indicators of reproduction biology in fishes especially in rearing and restocking management of endangered species such as sturgeon. The fecundity of stellate Sturgeon (Acipenser stellatus Pallas, 1771) was studied in 50
Ghorbani, R.   +3 more
core  

Gonadosomatic index of sturgeon, beluga and stellate sturgeon during their life period in the rivers

open access: yesВестник Астраханского государственного технического университета. Серия: Рыбное хозяйство, 2012
The results of the study of morphophysiological variability of sturgeon migrating to the river Volga from the Caspian Sea are presented. Gonadosomatic indices of sturgeon, beluga and stellate sturgeon for the periods 1970–1973 and 2002–2005 are compared.
Nguyen, Din   +4 more
openaire   +1 more source

Coarse fish in Scotland: a threat or a resource? [PDF]

open access: yes, 1993
This brief article summarizes the ecological role of non-salmonid fishes in Scottish fresh waters. Most government-sponsored research has focused on the ecologically valuable salmonids in this area, yet non-salmonid species are widely distributed in ...
Treasurer, James W.
core  

Seaweed inclusion in artificial diet of purple sea urchin Paracentrotus lividus: effects on somatic and gonadal development

open access: yesBoletim do Instituto de Pesca
This work evaluated the inclusion of seaweed in artificial diet of Paracentrotus lividus sea urchins weighing between 11 and 14 g to test its effect on growth and gonadal yield.
Vitor Almeida Pontinha   +4 more
doaj   +1 more source

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