The phrase "good catch" is an idiomatic expression that means making a correct or insightful observation, finding or discovering something valuable or useful. It can also refer to a lucky or skillful act in sports or games.
Well single type person who likes to know good catch phrase for dating site what kind of girls, position, can success until start to. (petesgrillandpizza.com)
And you're different too: financially established, in retirement and, by the sounds of it, a very good catch. (moneysense.ca)