Coelacanths are difficult to classify. They have many characteristics in common with sharks, and yet in certain characteristics they more closely resemble other types of fish. In this activity ...

The ocean sunfish has no ventral and tail fins. What appears to be a tail fin ... above and below its body for propulsion. In Japan, the fish lives in waters nationwide, from Hokkaido to Okinawa ...

Another fin located in the middle of its body helps the fish remain stable and maintain ... were located in the dorsolateral part of the ventral horn, forming a small, separate cluster from ...