Is the Civivi Spiny Dogfish Folding Knife all looks with no bite? In this review, we unbox and test this sleek yet functional blade. Find out if its unique design lives up to the hype and if it ...

This species isn’t the only shark with long pregnancies. The spiny dogfish’s gestation period lasts about two years. Elephants may be the champion mothers of the land-walking mammals. Elephant embryos ...

Scientists have captured little chirps from rig sharks (also known as ‘lemon fish‘ and ‘spotted dogfish,‘ according to the NIWA). | Stockbyte/GettyImages Many sharks, such as great whites ...