Many fish species evolved parts of their fins into sharp, spiny, needle-like elements -- called fin spines -- that function to protect the fish against predators. Such spines have evolved ...

Betta Fish, also known as Siamese Fighting Fish, are one of the most popular freshwater fish for pets. You can find them in almost every pet store. One of the reasons that they’re so popular is that ...

The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish's swimming behavior, according to new research. The researchers found ...

To escape predators beneath the waves, a flying fish can shoot out of the water and glide long distances because its paired pectoral and pelvic fins, longer and more rigid than those of other fish, ...

Betta Fish, also known as Siamese Fighting Fish, are one of the most popular freshwater fish for pets. You can find them in almost every pet store. One of the reasons that they’re so popular is that ...