Researchers from Tohoku University have developed a model that simulates the motion of fish tail fins. The model uncovers the underlying mechanisms behind a commonly observed phenomenon in fish ...

A rounded tail, like that of the angelfish, enables quick bursts of speed to escape predators. Fins: Help a fish move. The top fins are called dorsal fins. If there are two dorsal fins ...

“We can’t build a fish. But we can build a robot that moves ... The UUV has a robotic system that enables the tail fin to move freely in three directions in order to do this.

Of the 33,000 species of fish and the countless species yet to be discovered, all of them have vertical tail fins that undulate side-to-side. Despite their myriad shapes, sizes, and habitats, they all ...

For instance, a zebrafish can regrow a tail fin in about 30 days. They can also regenerate their kidney, spinal cord, and retina (part of the eye). Researchers are studying these fish to ...

The female has a rounded tail fin. This fish has a triangular head and conical upper and lower jaws. The male has a somewhat elongated body, while the female typically has a plumper abdomen.