No they only live far out into the ocean.
yes
seahorses are found in warm shallow water
Yes, seahorses have gills. They have gills to get oxygen from the water so they can breathe.
under water
no
water
no
Seahorses are salt water and frogs are fresh water, there are special aquariums for salt water fish type creatures.
Yes.
they are cold blooded
Google Images.
Seahorses live in the intertidal zone because they are protected from predators and have access to food in this area. Seahorses are not great swimmers so they tend to stay in shallow water.