Results 81 to 90 of about 3,973 (263)
Sturgeon species (Acipenseridae) around the world have undergone substantial population declines over the past century due to a suite of anthropogenic actions and overharvest. Shovelnose sturgeon are the smallest and most abundant sturgeon species in North America and still support commercial and recreational fisheries despite notable declines in ...
Stefan R. Tucker +8 more
wiley +1 more source
The pallid sturgeon Scaphirhynchus albus, a large, long‐lived fish endemic to the Missouri and Mississippi River Basins, was listed as a federally endangered species in 1990 due to population declines driven by profound anthropogenic habitat alterations, including river fragmentation by dams and channelization. In contrast, its congener, the shovelnose
Mark K. Flammang +7 more
wiley +1 more source
Genetic relationships among collections of the Persian sturgeon, Acipenser persicus, in the south Caspian Sea detected by mitochondrial DNA–Restriction fragment length polymorphisms [PDF]
In the present study, mitochondrial DNA polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay was used to assess the population structure and genetic relationships among six Persian sturgeon, Acipenser persicus populations ...
Azizzadeh Pormehr, L. +3 more
core +1 more source
Tracing the first steps of American sturgeon pioneers in Europe [PDF]
Background: A Baltic population of Atlantic sturgeon was founded ~1,200 years ago by migrants from North America, but after centuries of persistence, the population was extirpated in the 1960s, mainly as a result of over-harvest and habitat ...
Arndt, U. +6 more
core +2 more sources
Microalgae as a source of valuable compounds such as fatty acids are isolated from the natural environments and their mass production with high nutritional value is one the necessities of many hatcheries.
F. Chubian email ; Z. Ramezanpour; M. Hafezieh; M. Sadeghirad; K. Hadadi Moghadam; Z. Pazhand; R. Rofchaei; H.R. pourali
doaj
Fishes of the Pine Bluff Arsenal, Jefferson County, Arkansas [PDF]
A survey of the fishes of the Pine Bluff Arsenal (PBA) located in Jefferson County, Arkansas was initiated in February 1999 and continued until October 1999 with several supplemental collections made in 2000.
Robison, Henry W.
core +1 more source
This study was conducted to determine the effect of replacing fish meal with soybean meal on growth rate, feed conversion ratio and chemical composition of carcass, fillet and liver in juvenile stellate sturgeon (Acipenser stellatus).
B. Emdadi email ; M.M. Sajadi; M.A. Yazdani; M. Shakoorian
doaj
Synopsis of the parasites in Iranian freshwater fishes [PDF]
Two hundred forty-seven species of parasites from Iranian freshwater fishes are presented in this synopsis. The parasites were recorded from infestations in fish from different parts of the country and summarized according to host species, organs were ...
Masoumian, M., Pazooki, J.
core
Abstract In the Laurentian Great Lakes, the issue of barrier removal is complicated by the presence of non‐native species below barriers. A fish tracking study was conducted to guide efforts for barrier remediation decisions for the restoration of fish populations with a focus on Walleye (Scander vitreus) and Lake Sturgeon (Acipenser fulvescens) in the
Kerri Kosziwka +6 more
wiley +1 more source
Effects of different photoperiods on the survival and growth of beluga sturgeon (huso huso) larvae
Effect of different photoperiodic regimes was evaluated on growth performance and survival rate of the Beluga (Huso huso) prelarvae and larvae. Newly hatched prelarvae were stored in 5 round fiberglass 500‑L tank with different photoperiod (24L:00D, 18L ...
Hamid Eshagh zadeh +4 more
doaj

