Results 121 to 130 of about 27,957 (312)
Sacramento River Predator Diet Analysis: A Comparative Study [PDF]
This study examined diets of two predatory fish species, the native Sacramento Pikeminnow (Ptychocheilus grandis) and the introduced Striped Bass (Morone saxatilis), in the Sacramento River, California, USA.
Balfour, Nicholas M.+5 more
core
Summary The Atlantic Sturgeon, Acipenser oxyrinchus oxyrinchus, is a large member of the family Acipenseridae, historically reaching lengths of at least 4.6 m in length (with some estimates of 5–6 m). In North America, A. o.
E. Hilton+4 more
semanticscholar +1 more source
We conducted a study involving 436 individuals of both sexes, collected from eight breeder private farms with diverse breeding histories and generational backgrounds. Through the application of eight microsatellites, we amplified a non‐coding core genomic region in the species, followed by capillary electrophoresis (CE) to provide double confirmation ...
Mehdi Moghim+4 more
wiley +1 more source
Streptococcus iniae has emerged as an important fish pathogen over the past few decades causing high losses in aquaculture farms all over the world. At least 27 species of fish have been documented to be infected by S.
Meng-Ling Deng+9 more
semanticscholar +1 more source
Microsatellite Variation in Russian Sturgeon (Acipenser gueldenstaedtii) from Aquaculture
Most sturgeon species today are on the brink of extinction because of anthropogenic influences, but in the same time, the economical interest regarding these species was constantly increasing, especially because the great value of the roe.
Sergiu Emil Georgescu+5 more
doaj
ABSTRACT Illegal wildlife trade is a growing problem internationally. Poaching of animals not only leads to the extinction of populations and species but also has serious consequences for ecosystems and economies. This study introduces a molecular marker system that authorities can use to detect and substantiate wildlife trafficking.
Annika Mozer+19 more
wiley +1 more source
The aquatic food web of the Great Lakes has been contaminated with polychlorinated biphenyls (PCBs) since the mid‐20th century. Threats of PCB exposures to long‐lived species of fish, such as lake sturgeon (Acipenser fulvescens), have been uncertain ...
D. Tillitt+9 more
semanticscholar +1 more source
Non‐Lethally Produced Chemical Risk Cues Elicit Antipredator Responses in a Common Canadian Minnow
ABSTRACT Predation risk exerts significant pressure on the survival of prey species and has many indirect impacts on their habitat use, energy allocation, and community dynamics. Prey must consistently assess their surroundings by using multiple information sources to monitor predation risk and respond accordingly.
Veronica Groves+3 more
wiley +1 more source
Larval green and white sturgeon swimming performance in relation to water-diversion flows [PDF]
Little is known of the swimming capacities of larval sturgeons, despite global population declines in many species due in part to fragmentation of their spawning and rearing habitats by man-made water-diversion structures.
Baird, Sarah+6 more
core +4 more sources
Status of Lake Sturgeon (Acipenser fulvescens Rafinesque 1817) in North America
Summary Lake Sturgeon is a potamodromous, fluvial-dependent species from the family Acipenseridae, and one of the largest freshwater fishes within its North American range extending to the Great lakes, Mississippi River, and Hudson Bay drainages.
R. Bruch+4 more
semanticscholar +1 more source