We grow tails in utero around the time we’re 31 to 35 days old, but then our tails regress and fuse into our vertebrae. The ...

A coelacanth, known by some as the "dinosaur fish," was spotted in eastern Indonesia in a rare sighting of a species once ...

Beyond their useful pectoral fins, all have unevenly forked tails ... night to capture flying fish by the dozens. There is currently no protection status on these animals.

These ancient fish, little changed over many millions of years, can reach 16.5 feet long, including the tail. There are reports ... the enormous and awkward animals is very difficult.

Scientists on an expedition to the South Sandwich Islands near Antarctica have recorded horrifying videos of parasitic copepods feasting on the head of a deep sea rattail fish.

In their usual habitat, fish are a major food, caught in the water after a brief chase. On land, mink will kill prey larger than themselves, including rabbits and waterfowl, killing them with a bite ...

As the fish closes its mouth, the flap opens. Oxygen is extracted from the water as it passes over the gills. Other fishes have gill slits. Tails: Fish tails also take many shapes. A crescent ...

As the fish closes its mouth, the flap opens. Oxygen is extracted from the water as it passes over the gills. Other fishes have gill slits. Tails: Fish tails also take many shapes. A crescent ...