Skates are cartilaginous fish that can flourish in benthic ecosystems thanks to their wing-like pectoral fins. This unique trait, however, remains unknown on a molecular level. Where did these ...

While not a true walking shark, it seems these small little animals aren’t the only one who use their pectoral fins in an unusual way. A new publication led by Kristian J. Parton of the Centre ...

WASHINGTON – About 93 million years ago, a bizarre plankton-eating shark shaped unlike any other known marine creature glided through the sea in what is now northeastern Mexico using curiousl… ...

Sharks that live in different parts of the ocean, and their respective pectoral fins. CREDIT: Phillip Sternes/UCR. Currently, sea surface temperatures are an average of 68 degrees Fahrenheit.

Their pectoral fins are unusual, having a “shoulder” and an “elbow” joint, which somehow gives them the ability to skitter over the mud and even jump (with the aid of the tail).

The researchers were even more amazed when they discovered that in the mudskipper's pectoral fins, the ones they use to walk, some bone-connecting tendons were replaced by fascia tissue.

Researchers at Turks and Caicos Islands have captured rare footage showing a nurse shark using its pectoral fins to walk and position itself on the sea floor in an attempt to access perceived prey ...

While most cetaceans' pectoral fins are only one-seventh of their body length, a humpback's flippers can reach up to one-third of its body length.

Bubbles hurt her fin playing finball! Flo the sea turtle helps her fix it. Bubbles injures her fin playing finball and has trouble swimming. Flo discovers she has a strained pectoral fin, but ...

A conserved Shh cis-regulatory module highlights a common developmental origin of unpaired and paired fins. Nature Genetics, 2018 DOI: 10.1038/s41588-018-0080-5 ...