1. a long, thin marine fish with a tubular snout and bony plates covering its body, related to the seahorse

Examples

• The pipefish swam gracefully through the seagrass beds.
• Marine biologists studied the unique breeding habits of the pipefish.
• A slender pipefish camouflaged itself among the coral branches.
• The aquarium’s pipefish exhibit featured several colorful species.
• Divers often mistake pipefish for floating pieces of seaweed.
• The male pipefish carries the eggs in a special pouch until they hatch.