Dictionary of Ichthyology
seahorse = a member of the family Syngnathidae which
also includes pipefishes.
These fishes are characterised by
a body enclosed in bony rings, and seahorses
have an erect body posture, a prehensile tail, a long snout and the males have a
pouch in which they brood the young. Often
displayed in aquaria and sold dried as curios.