a fish with a flat head and long hairs around its mouth that lives in rivers or lakes

someone who pretends on social media to be someone different, in order to trick or attract other people

Online scammers and catfish usually have broad profile interests so that they can appeal to as many people as possible. 网络诈骗者和钓鱼交友的人通常在他们的个人资料填写非常广泛的兴趣爱好，这样他们就能吸引尽可能多的人。

to try to trick or attract someone by pretending on social media to be someone different

If a random, attractive person starts talking to you online, you are very likely being catfished. 如果忽然有个很有魅力的陌生人在网上开始和你聊天，你很可能是他钓鱼交友的对象。