Results 61 to 70 of about 24,551 (258)

Studying the manner of sturgeon fishes migration to Gorganrud and Tajan rivers

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1997
One year study was carried out to understand the sturgeon fish’s migration to Gorganrud & Tajan Rivers from September 1993. Two different catching stations were selected in each river with gillnetting method.
F. Laloei
doaj  

REFERENCED TECHNOLOGICAL PERFORMANCES FOR STURGEON FINGERLING BREEDING IN INTENSIVE SYSTEM

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Work objective is to present an oversight regarding the modality to rearing the descendents of anadromous sturgeon species, Acipenser stellatus, Acipenser gueldenstaedti and Huso huso, obtained trough artificial reproduction, indicating successively, the
MARILENA TALPEŞ   +7 more
doaj  

Disaccharide combinations and the expression of enolase3 and plasma membrane Ca2+ ATPase isoform in sturgeon sperm cryopreservation [PDF]

open access: yes, 2018
ContentsAcipenser sinensis and Acipenser dabryanus are critically endangered species, so germplasm conservation via cryopreservation of sperm is necessary.
Du, H.   +5 more
core   +1 more source

The Record of the Last Sturgeons Caught in the Po River (North Italy) Tells a Cautionary Tale of Reasons of Their Silent Disappearance

open access: yesRiver Research and Applications, Volume 42, Issue 1, Page 277-283, January 2026.
ABSTRACT Three sturgeon species—the common European (A. sturio), beluga (H. huso), and Adriatic sturgeon (A. naccarii)—coexisted in the Po River Basin until the mid‐1970s, representing centuries of bio‐cultural heritage for northern Italy's riverine communities.
Samuele Pagani   +5 more
wiley   +1 more source

State of Florida Conservation Plan for Gulf Sturgeon (Acipenser oxyrinchus desotoi) [PDF]

open access: yes, 2001
Gulf sturgeon are anadromous. They spend the cooler months (October or November through March or April) in estuarine or marine habitats, where they feed on benthic organisms such as isopods, amphipods, lancets, molluscs, crabs, grass shrimp, and ...
Wakeford, Anne
core  

A Mark‐Recapture Estimate of the Number of American Eels Arriving at the Lowermost Barrier on the Wolastoq|Saint John River, Canada

open access: yesRiver Research and Applications, Volume 42, Issue 1, Page 40-59, January 2026.
ABSTRACT The upstream migration of juvenile American eels (Anguilla rostrata) is frequently obstructed by dams and other in‐stream barriers, leading to habitat loss and fragmentation, factors that are believed to contribute to the species' population decline.
Felix Eissenhauer   +4 more
wiley   +1 more source

Determining karyotype of sturgeons

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1995
Karyotype of sturgeons Huso huso, Acipenser stellatus, and Acipenser persicus from southern region of- the Caspian Sea, has been examined by use of blood tissue culture. By counting fifty completely extended metaphase plates, the number of chromosomes in
M. Norozfashkhami; M. Khosroshahi
doaj  

Comparison of oxidant and antioxidant status of seminal plasma and spermatozoa of several fish species

open access: yesCzech Journal of Animal Science, 2013
Oxidant and antioxidant activity in seminal plasma was compared with that in spermatozoa of teleost (common carp Cyprinus carpio and brook trout Salvelinus fontinalis) and chondrostean (Russian sturgeon Acipenser gueldenstaedtii, Siberian sturgeon ...
A. Shaliutina-Kolešová   +3 more
doaj   +1 more source

RAD‐tag and mitochondrial DNA sequencing reveal the genetic structure of a widespread and regionally imperiled freshwater mussel, Obovaria olivaria (Bivalvia: Unionidae)

open access: yesEcology and Evolution, 2022
Obovaria olivaria is a species of freshwater mussel native to the Mississippi River and Laurentian Great Lakes‐St. Lawrence River drainages of North America.
Jamie R. Bucholz   +6 more
doaj   +1 more source

Integrated Use of Oxidative Stress and Histological Biomarkers of T. tinca as Indicators of 17‐Alpha‐Ethynylestradiol Exposure

open access: yesEnvironmental Toxicology, Volume 41, Issue 1, Page 49-67, January 2026.
ABSTRACT The potential adverse effects of 17‐alpha‐ethynylestradiol (50, 100, and 500 μg EE2/kg b.w., for 30 days) on tench ( Tinca tinca ) were evaluated by integrating biomarkers including physiological (hepato‐somatic index, spleen‐somatic index, and hematocrit), oxidative stress (catalase, glutathione peroxidase, and glutathione reductase ...
Ana L. Oropesa   +3 more
wiley   +1 more source

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