Seahorses are a group (genus Hippocampus) of small fish belonging to the family Syngnathidae, which also includes pipefish and sea dragons. These creatures are named for the shape of their head, which looks like the head of a horse.They are found in shallow tropical and temperate waters throughout the world.Unlike most other fish, seahorses are monogamous and mate for life. Pygmy seahorses of the genus Hippocampus are diminutive in size (0.5-1 inch, or 1.36-2.6 cm, long).They live in close association with octocorals, colonial hydrozoans, bryozoans, seagrass and algae.They are morphologically distinct from the more numerous and larger species (0.9-14 inches,...
