Sharks & Other Fish


It’s Hard to Kill a Killifish

It's Hard to Kill a Killifish

Summer Student Fellow Lily Helfrich is using a new molecular tool, microRNA analysis, to explore why some killifish are able to thrive in waters heavily contaminated with PCBs.

Read More

A Haven for Whale Sharks

A Haven for Whale Sharks

Scientists discovered an aggregation of juvenile whale sharks in the Red Sea and used satellite tags to track the elusive migrations of this endangered species.

Read More

Alvin‘s Animals

Alvin's Animals

From orange octopi and furry yeti crabs to the largest known anemone, pilots and scientists diving in the Alvin submersible continue to find amazing marine creatures.

Read More

Tags Reveal Chilean Devil Rays Are Among Ocean’s Deepest Divers

Mainly thought to be surface dwellers, Chilean devil rays (Mobula tarapacana) are most often seen gliding through shallow, warm waters. But a new study by scientists at Woods Hole Oceanographic Institution (WHOI) and international colleagues reveals that these large and majestic creatures are actually among the deepest-diving ocean animals.

Read More

New Study Finds Extreme Longevity in White Sharks

Great white sharks—top predators throughout the world’s ocean—grow much slower and live significantly longer than previously thought, according to a new study led by the Woods Hole Oceanographic Institution (WHOI). In the first successful radiocarbon age validation study for adult white sharks, researchers analyzed vertebrae from four females and four males from the northwestern Atlantic Ocean. Age estimates were up to 73 years old for the largest male and 40 years old for the largest female.

Read More

Why Haven’t the Cod Come Back?

Why Haven't the Cod Come Back?

A WHOI biologist is analyzing fish scales dating back to the 1930s to unravel changes in the ecosystem of Georges Bank, one the world’s most productive fisheries.

Read More

5 Questions about Sharks

WHOI biologist and senior scientist Simon Thorrold discusses sharks and why they are important to a healthy ocean. Originally published…

Read More

Swimming with Sharks

Swimming with Sharks

Amy Kukulya’s clients often have curious requests, but this was among the oddest. As an engineer at Woods Hole Oceanographic…

Read More

Decoding the Mystery Fish

Decoding the Mystery Fish

Few marine animals capture biologists’ imaginations more than the mysterious, almost mythical coelacanth, a 5-foot-long fish that was thought to…

Read More