Dogfish

[Rihanna]

A small shark, of many species, of the genera Mustelus,
Scyllium, Spinax, etc.

[Vania]

When you have met someone on the internet/through a [dating site] and when you meet them they [turn out] to not actually be a dog like the snapchat [filter] made you think.

[Rihanna]

The opposite of a [catfish]. When you go out with a person you met online and they [turn out] to be much more attractive than thought [previously].

[Luis Fok]

a type of small shark