To “save” endangered salmon, scientists use 20-year-old frozen sperm
Another half baked idea to try to improve the quality and genetic diversity of hatchery salmon. In an effort to get a wide range of …
Another half baked idea to try to improve the quality and genetic diversity of hatchery salmon. In an effort to get a wide range of …
The debate over whether brown trout (Salmo trutta) constitute a single species or several may soon be resolved, following the completion of the brown trout …
Lesley de Souza is a conservation scientist and ichthyologist at the Field Museum. Her fieldwork takes her to Guyana, where she studies the arapaima—the largest …
A series of studies suggests migrating salmon work together to find their way home—and get lost when there aren’t enough of them to make a …
Researchers say voracious pink salmon are thriving at other species expense. Pink salmon are wildly abundant in odd-number years and less abundant in even-number years. They comprise …
According to findings, published in the journal Global Change Biology, freshwater megafish — giants weighing more than 30 kilograms that can live for decades — declined …
Scientists just added a large, sucker-mouthed fish to the growing list of centenarian animals that will likely outlive you and me. That makes the bigmouth buffalo, …
A 7-foot-5-inch-long mako shark tagged last year off Texas appeared Wednesday morning off North Carolina’s Outer Banks. His tracker pinged in the waters off Hatteras, …
New tracking devices inserted into Atlantic salmon reveal that up to 48 percent of the critically endangered fish are being eaten while leaving Nova Scotia’s …
The science is pretty clear, hatchery fish suck.