Results 91 to 100 of about 3,510 (271)
Twenty‐three years of PCR‐based seafood authentication assay development: What have we learned?
Abstract Seafood is a prime target for fraudulent activities due to the complexity of its supply chain, high demand, and difficult discrimination among species once morphological characteristics are removed. Instances of seafood fraud are expected to increase due to growing demand.
Maleeka Singh+5 more
wiley +1 more source
Body shape changes during the early development of the Beluga (Huso huso)
Early body shape changes of beluga sturgeon were studied using landmark-based geometric morphometric approach to recognize its allometric growth pattern. Sampling was done from hatching up to 50 days post hatching (DPH).
Reza Asgari+5 more
doaj
Darwin, Haeckel, and the “Mikluskan gas organ theory”
Abstract A previously unknown reference to the Russian ethnologist, biologist, and traveler Nikolai N. Miklucho‐Maclay (1846–1888) was discovered in correspondence between Charles Darwin (1809–1882) and Ernst Haeckel (1834–1919). This reference has remained unknown to science, even to Miklucho‐Maclay's biographers, probably because Darwin used the ...
Ingmar Werneburg+2 more
wiley +1 more source
Abstract Objective Tributaries may play a vital role in maintaining populations of large river fishes, although the specific contributions of tributaries toward recruitment of river‐wide populations are not often understood. Tributaries may experience fewer cumulative anthropogenic impacts relative to main‐stem rivers and may offer more natural ...
Brian D. Healy, Emily Omana Smith
wiley +1 more source
Major problems concerning the conservation and recovery of the Atlantic sturgeon Acipenser sturio L., 1758 [PDF]
Analysis of existing data and information show that the present status of the Atlantic sturgeon Acipenser sturio L., 1758, is much more complex than that of any other sturgeon worldwide. The name A.
Holčík, J.
core +1 more source
Status, trends and management of sturgeon and paddlefish fisheries [PDF]
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/75518/1/j.1467-2979.2005.00190.x ...
Daniel L Erickson+5 more
core +3 more sources
Hydrology and Biology of Tadjan River
Tadjan River is the habitat of two groups of fishes, Sturgeon and teleost. Research survey in this river shows that the fish species basically belong to 6 families of Cyprinidae, Mugilidae, Gobbidae, Acipenseridae, Salmonidae and Esocidae. All studies on
M. Roshan tabari
doaj
Environmental DNA technology has been used to identify rare sturgeons in the Ural River. The study found sturgeons at all sites in spring and autumn, confirming their semi‐anadromous ecology. This is the first documented eDNA detection of sturgeon specimens in the Ural River.
Gulmira Abileva+4 more
wiley +1 more source
Atlas of marine bony fish otoliths (sagittae) of Southeastern-Southern Brazil Part VII: Atheriniformes, Beloniformes, Beryciformes, Zeiformes, Syngnathiformes, Scorpaeniformes and Tetraodontiformes [PDF]
In addition to the series of documents that we have been publishing on the "Atlas of Teleostei Otoliths for the Southeastern-Southern Brazilian region", in this volume we present the results of species of the orders Atheriniformes (1 species ...
Brenha-Nunes, Marina Rito+5 more
core +2 more sources
Distribution of sturgeon in the River Irtysh
Using the modern hydroacoustic methods and the computerized software and hardware complex “AsCor”, the features of the distribution of fish of the Acipenseridae family in the lower reaches of the large transboundary river the Irtysh (Western Siberia ...
A. A. Chemagin
doaj +1 more source