gulf.
Hang out is a verb, hangout is a noun. One can hang out in a hangout.
They hangout at Crowley's
a collection of fish is called a school of fish
In the top left corner of the app there should be the Google+ logo. Click on it and it will open a side menu. On the menu there should be a button called "hangout". Clicking on that will allow you to use the hangout feature of Google+ (AKA video chat).
One might form a Google Hangout for banjo players by starting a hangout party at Google+. The banjo players can have face to face video calls together on a Google Hangout.
Just a fish.
It is best to hang out with friends who aren't mean to you. Friends who are mean to you are not your friends.
A baby fish is called fry. A fish egg is called roe.
Newborn fish are called "fry".
zeus
Groups of fish are called a school of fish or a shoal of fish. example: The school of fish swam upstream.
It is called a Remora fish.