THIS is the horrific moment an injured killer whale is left to spurt blood at an aquarium show as shocked families watch on.

Image via Getty Guests at a recent killer whale show at a popular aquarium were shocked to see the animal was injured. The ...

The typical dorsal fin is a triangular-shaped piece of skin wrapped around muscles and bony spines or rays that sits on a ...

Fins: Help a fish move. The top fins are called dorsal fins. If there are two dorsal fins, the one nearest the head is called the first dorsal fin and the one behind it is the second dorsal fin.

Contrary to popular belief, fin collapse doesn't just affect captive ... Ultimately, what's going on is the collagen in the dorsal fin is breaking down. One reason this may happen is from temperature.

Its teeth are designed not so much to grab or slice fish but to prevent them from ... In addition to their paired fins, the second dorsal and anal fins also have stout, muscular lobed bases.

Harvey Sutherland, Courtney Barnett, Camp Cope and Mo’Ju are among the other artists nominated, while a wide array of Victorian festivals and venues are also up for awards ...

Around us dorsal fins of various shapes and hues broke the water. Orcas shot past, rounding up herring, while humpbacks hurtled skyward, jaws agape, gulping fish before the orcas could pick them ...

Contrary to popular belief, fin collapse doesn't just affect captive ... Ultimately, what's going on is the collagen in the dorsal fin is breaking down. One reason this may happen is from temperature.

These upright fish have a dorsal fin that flutters 30 to 70 times per second to provide forward propulsion. They also have a set of small pectoral fins near the back of their head that are used to ...

The Blue Shark Prionace glauca is listed as Near Threatened on the IUCN Red List of Threatened Species™ but not listed in the CITES appendices.

Atlantic bluefins are warm-blooded, a rare trait among fish, and are comfortable ... They can retract their dorsal and pectoral fins into slots to reduce drag. And some scientists think the ...