By roaring
Yes lions can speak to one another they can warn other lions of danger and signaling another lion to be his/her mate. They roar if mad or angry.
Panthera leo
Another lion, hyenas, even crocodiles
The grouper is one of the lion fish's predators, another is larger lion fish.
A fool may deceive by his dress and appearance, but his words will soon show what he really is. By Aesop. Or to put i another way, if you are a donkey but dress like a lion, others will know you are really just a donkey, when you begin to act and speak like yourself.
lion
Another name for a lion's quarry is a lion's territory or pride land. Lions establish their territorial boundaries to protect their resources and ensure the safety of their pride members.
A cub.
lair
Pantera leo
mountain lion
a cub