Biochemistry, Genetics and Molecular Biology · Physiology

Reproductive biology and impacts on aquatic species

Sharks can produce cortisol, a hormone long thought absent in them

North Pacific spiny dogfish produced cortisol, challenging the long-standing view that sharks and their relatives do not make the hormone. The study also found that cortisol implants persistently lowered blood glucose, while having little effect on blood osmolytes.

2 days ago·13 views

Climate & Environment

For Deep-Hooked Bogue, De-Hookers Did No Better Than Cutting the Line

A study of catch-and-release bogue found that deeply hooked fish had similar survival outcomes whether anglers used a de-hooker or cut the line. Loss of orientation and bleeding were associated with mortality, making prevention of deep hooking the most effective way to reduce harm.

1 month ago·42 views