Seahorses The sea horse was named after their head. Seahorses have two close relatives they are the pipe fish and the shrimp fish and the Sea Dragon, they belong to a family called Syngnathidae.   Habitat Seahorses live in clear, clean, warm water were it is shallow. Seahorses swim in and out coral reefs. Seahorses come from 6 different continents. Appearance Seahorses vary widely in size from 4 cm - 35 cm. The seahorse eyes can swivel independently of each other to enable the seahorse to watch prey without moving. The seahorse camouflages by adopting the colours of surrounding weed. Breeding The female lays her eggs in the male's pouch, where they hatch and develop. The male will take the eggs until his pouch is full. The eggs are pink in color. Size may be from .5 to 1.5 millimeters in size depending on the species. Eggs are release from the pouch after thirty to fifty days depending on the species. All newborn seahorses are up to 1 cm in length. Movement The Dorsal fin of a seahorse beats 35 times a second to enable the seahorse to sift position. The Seahorses is the only fish that swim standing up.