To better understand the biodiversity of the Limpopo River, including its fish, associate professor Gordon O’Brien and his team will be working on fish movement, where researchers will tag and track ...

These are the world’s longest-lived freshwater fish. Some reach 127 years old, a feat previously thought impossible for ...

“It was a challenging scientific riddle to figure out.” Lead author Lauren Hitt, a graduate student in Rypel’s lab during the ...

UC Davis researchers have documented evidence of chinook salmon returning to the Northern California creek where they were born for the first time ever, describing it as “a rare example” of a ...

"It was a challenging scientific riddle to figure out." Lead author Lauren Hitt, a graduate student in Rypel's lab during the study, used otoliths—or ear bones—from adult Chinook salmon carcasses ...

Figure 4 Fluctuations in strontium-to-calcium (Sr/Ca) ratios along a line transect from the core (0 mm) to the edge of otoliths in Coilia nasus larvae cultivated at different strontium concentrations ...