How Fast Can Great Danes Run. They’re hardly as streamlined as the greyhound but they can definitely run. If you do decide to take your great dane on a long run, make sure you give him plenty of time to rest afterward.

But are great danes good running dogs? What’s the fastest running dog? Great dane running speed ?

Why Is My Betta Fish Swimming Fast. By joshua edwards, 5 years ago on tropical fish. Often caused by a lack of oxygen in your betta’s water, hypoxia can cause your fish to swim in an odd way.

All betta fish are bony and have an organ named a ‘swim bladder’. Why is my betta fish floating on its side? When the swim bladder is damaged or otherwise compromised a betta will.