Shark Week 

F/5.6, 1/500, ISO 360.

Spiny Dogfish Shark

What is a sharks favorite sci-fi show?

Shark Trek

Interesting Fact: Spiny dogfish are bottom-dwellers. They are commonly found at depths of around 50–149 m (164–489 ft), but have been found deeper than 700 m (2,300 ft). ( https://en.m.wikipedia.org/wiki/Spiny_dogfish )