Results 31 to 40 of about 3,896,690 (244)

Gonad development and reproduction in the monoecious species Chlorophthalmus agassizi (Actinopterygii: Aulopiformes: Chlorophthalmidae) from the Sardinian Waters (Central-Western Mediterranean) [PDF]

open access: yes, 2010
Background. The shortnose greeneye, Chlorophthalmus agassizi Bonaparte, 1840, is a species with a circumglobal distribution and is among the most abundant commercial fishes in some Mediterranean areas.
Cabiddu S, Cau A, Follesa MC, Porcu C
core   +1 more source

Reproductive performance and gonad histopathology of female Nile tilapia (Oreochromis niloticus Linnaeus 1758) exposed to palm oil mill effluent

open access: yesEgyptian Journal of Aquatic Research, 2018
Palm oil mill effluent (POME) has potential to contaminate the aquatic environment. This paper investigated the reproductive performance and gonad histopathology of female Nile tilapia (Oreochromis niloticus Linnaeus 1758) exposed to POME.
Ilham Zulfahmi   +3 more
doaj   +1 more source

A Review of the Research on Reproductive Biology of Turkish Marine Fishes

open access: yesÇanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 2021
The teleost fish stocks distributed in Turkish seas are threatened due to overfishing, pollution, global warming and increasing food competition. There is a need to provide scientific knowledge on reproductive traits of commercial species in order to ...
İsmail Burak DABAN
doaj   +1 more source

Zygoparity and sex steroid hormone profiles in bluemouth Helicolenus dactylopterus [PDF]

open access: yes, 2017
Two hundred and seven individuals (103 females and 104 males) of bluemouth Helicolenus dactylopterus (Scorpaeniformes, Sebastidae), a commercially important deep-water species with an unusual reproductive strategy, from the eastern Atlantic Ocean ranging
Barcellos   +30 more
core   +1 more source

Length-weight, Condition factor and gonadosomatic index of blackspot snapper Lutjanus fulviflamma (Forsskal, 1775) (Perciformes: Lutjanidae) in the northern Persian Gulf

open access: yesInternational Journal of Aquatic Biology, 2018
The present study aimed to evaluate the length-weight and Length-length relationships as well as the condition factor and gonadosomatic index of the Blackspot snapper, Lutjanus fulviflamma in the northern Persian Gulf, Hormozgan Province, Iran.
Alireza Razi, Ahmad Noori
doaj   +1 more source

Age, reproduction, and fecundity of a population of Cobitis sp. (Actinopterygii: Cypriniformes: Cobitidae) from the Babolrud River in the southern Caspian Sea basin [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2011
Background. Loach fishes, Cobitis sp., are found in the majority of streams in the southern Caspian Sea basin, but reproductive parameters of them are barely known.
H. Mousavi Sabet   +7 more
doaj   +3 more sources

Evidence suggesting that di-n-butyl phthalate has anti-androgenic effects in fish [PDF]

open access: yes, 2011
This article is the pre-print version of the full and final published article.Phthalate ester plasticizers are anti-androgenic in mammals. High doses of certain phthalates consistently interfere with the normal development of male offspring exposed in ...
Adams   +39 more
core   +1 more source

Seasonal changes in hepatosomatic index, gonadosomatic index and plasma estradiol‐17β level in captively reared female rabbit fish ( Siganus guttatus )

open access: yesAquaculture Research, 2019
The seasonal changes in hepatosomatic index (HSI), gonadosomatic index (GSI) and plasma estradiol‐17β (E₂) level in female rabbit fish (Siganus guttatus) were investigated.
H. Q. Pham, A. Nguyen
semanticscholar   +1 more source

Age composition, growth, and reproduction of koi carp (Cyprinus carpio L.) in the lower Waikato, New Zealand [PDF]

open access: yes, 2006
A total of 566 koi carp (Cyprinus carpio) from the lower Waikato region were aged from scales and opercular bones, and growth was modelled with the von Bertalanffy growth function.
Crim LW   +12 more
core   +2 more sources

Studies on reproduction of the mullet Mugil platanus Günther, 1880 (Actinopterygii, Mugilidae) from the Mar Chiquita coastal lagoon, Argentina: Similarities and differences with related species [PDF]

open access: yes, 2011
The aim of the present study is to provide the first results on the reproductive biology of Mugil platanus, from the Mar Chiquita coastal lagoon (Argentina).
Cousseau, María Berta   +2 more
core   +1 more source

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