Creepy-looking fish aren't always at the very bottom of the sea. This daggertooth was caught about 200 metres below the surface. (Jane Adey/CBC) "This one is very fast.

If you’re looking to add a sense of relaxation to your home, there’s no better accessory than a fish tank. And according to an experiment by Anthrozoos, aquariums can significantly reduce stress. But ...

This image was created by merging four separate fish eye images looking in different directions. Mamtani uses a Canon 5d Mkiii camera with a Canon 8-15mm fish eye at 8mm, F4, iso 4000 for 30 seconds.