What really makes fish become sexually active

Discounting anthropogenic-induced changes, the seasonally oscillating environments where long-lived fish hatch and grow remain more or less the same throughout the course of their lives. This means that the common explanation ...

Did a shark clash with large squid and live to tell the tale?

Underwater photographer Deron Verbeck was diving off the coast of Kona, Hawaii when he spotted an oceanic whitetip shark with strange scarring across its head and back. He snapped a photo of the shark with its scarring pattern ...

Shark salvation found in crossing conformation

Confirmation of a transatlantic crossing by a highly endangered marine animal signals the need for "an international mindset" when seeking ways to conserve the basking shark—named among the world's 'weirdest' animals by ...

Anesthetizing fish may affect research outcomes

Fish use colorful patterns to signal to each other, including advertising for mates and warding off rivals. Studying these colors, especially in small and squirmy species, sometimes entails anesthetizing and photographing ...

page 3 from 5