The Syngnathidae are a family of fish which includes the seahorses, the pipefishes, and the weedy and leafy sea dragons. The name is derived from Greek, syn meaning fused or together, and gnathus meaning jaws. This fused jaw trait is something the entire family has in common. ==Description and biology== Syngnathids are found in temperate and tropi... Found on http://en.wikipedia.org/wiki/Syngnathidae