When it grabs onto a seaweed or coral, the seahorse can stay still for hours. The seahorse has colors that are grays to tans to browns. It can camouflage to match colors to the surroundings. The dolphin looks like a small whale with a snout. The dolphin's color is silver.
Dolphins swim in groups called pods.
They can protect each other. If a shark comes along and tries to eat a dolphin, they will cooperate and scare the shark away. The dolphin is smart. It knows when a person is drowning. A dolphin will roll people to the surface or help people stay afloat.