Fins are not really the most noticeable thing about the tuna. Watch these marine wonders at an aquarium, and you're more likely to notice their large, gaping mouths or their silver, streamlined bodies ...

The most important tools a fish has for underwater movement are its fins. With these, a fish maintains stability and control despite swimming quickly and fighting currents. As simple as a fin may seem ...

The precise control that tuna have of their fins for tight turns and movement while swimming is aided by hydraulic activity of the lymphatic system, a new study reveals. Furthermore, the authors found ...

The unique system of hydraulic control of fins discovered in tuna indicates a new role for the lymphatic system in vertebrates. This natural mechanism may inspire designs for new 'smart' control ...

Cutting through the ocean like a jet through the sky, giant bluefin tuna are built for performance, endurance and speed. Just as the fastest planes have carefully positioned wings and tail flaps to ...

Underwater robots do a lot of neat things—take photos of underwater volcanoes, track leopard sharks, and explore shipwrecks—but they could still learn a few things from fish. Especially the ...

In fishes as familiar as tunas, humans have managed to find some unknown anatomy: a hydraulic system based on lymph. Often the underdogs of body parts, vertebrate lymph systems can do vital chores ...

A team at the University of Maryland (UMD) is advancing underwater drone technology by developing a robotic fin inspired by tuna. Aiming to enhance speed and maneuverability, the project seeks to ...

Atlantic bluefin tuna, the largest tuna species, can reach immense sizes, weighing up to 2,000 pounds. These apex predators ...

two tuna steaks on parchement paper on wood board - Andrey Starostin/Shutterstock The names of different types of fish can be difficult to keep track of. Sometimes, one common word can be used to ...