Fish Fins — Future Frogmen

Fish Fins January 14, 2018 by katerinazapfe, posted in Animals, Fins, Fish, Future Frogmen, Marine Science Far from the heavily stylized, square-tailed fish that we learn in our younger years, fish actually display a plethora of odd shapes. Fins are one of the main drivers behind locomotion in water, whether it be expansive open ocean, … Read more


Unlike mammals, fish are cold-blooded. This means that they do not maintain a constant internal body temperature; instead, their temperature is greatly influenced by their environment. True fish have a backbone and fins. Most also breathe with gills and have scales that cover their bodies. It is currently believed that fish began to evolve about … Read more

Yellowfin Tuna

Names in different languages: Netherlands: Geelvintonijn, Spain: Rabil, Italy: Tunnu monicu, Denmark: Gulfinnet tun, Germany: Gelbflossen-Thun, Portugal: Atum Rabil, France: Thon à nageoires jaunes, Japan: Kidaha, Indonesia: Gantarangang, Papua New Guinea: Tetena keketina, China: 黄奇串, Philippines: Badla-an. Habitat: The Yellowfin tuna is an epipelagic, oceanic fish, able to live above and below the thermocline, at … Read more

Betta Fish Anatomy

1. Dorsal Fin – Used primarily to stabilize the betta in the water and to aid in turning. Consists of many branches. One of three unpaired fins. 2. Caudal Fin – Often called the tail fin, the caudal fin is used for propulsion and is often the first fin to deteriorate when bettas experience fin … Read more

Fish fins are teaching us the secret to flexible robots and new shape-changing materials

The Research Brief is a short take about interesting academic work. The big idea Segmented hinges in the long, thin bones of fish fins are critical to the incredible mechanical properties of fins, and this design could inspire improved underwater propulsion systems, new robotic materials and even new aircraft designs. Fish fins are not simple … Read more