For decades, the coelacanthexisted only in fossil records—until one turned up in a South African fishing net. It was 1938 ...

The coelacanth has gills similar to those of fish living at the depths in which ... belong to a group known as the lobe-finned fishes. Projecting from the body on stalks rather than attaching ...

The animal was a so-called lobe-finned fish that lived about 375 million years ago. Named Tiktaalik rosae by its discoverers, it is a classic example of a transitional form, one that bridges the ...

Researchers classify the coelacanth under the group Sarcopterygii, which include the earliest ancestors of amphibians, reptiles, and mammals.

There are at least 40 known species of flying fish. Beyond their useful pectoral fins, all have unevenly forked tails, with the lower lobe longer than the upper lobe. Many species have enlarged ...

They have a flattened, cone-shaped snout and a distinctive, oblong tail with a notched, upper lobe that is significantly ... Their staple is small fish, but they will eat crustaceans and squid ...