Instagram is choked with scammers.
Facebook is rapidly declining, while Instagram is becoming increasingly popular, so the scammers are actively infesting their new playground. Male profiles are usually set to “Private” and following a whole bunch of middle-aged women all over the world, and female profiles often have a phone number or hangouts id dropped for texting. Once you follow them, they will start bombarding you with private messages.
So, be careful whom you follow on Instagram!
Here is some fish we caught (with their Instagram names).