Syngnathiformes

Syngnathidae - Syngnathidae is a family of fish which includes the seahorses, the pipefishes, and the weedy and leafy sea dragons.

Centriscidae - Centriscidae is the family of snipefishes, shrimpfishes, and bellowfishes.

Aulostomidae - The family Aulostomidae is a monogeneric family of highly-specialized, tubularly-elongated marine fishes commonly known as trumpetfishes.

Fistulariidae - The cornetfishes are a small family Fistulariidae of extremely elongated fishes in the order Syngnathiformes.

Solenostomidae - The ghost pipefishes are a small family Solenostomidae in the order Syngnathiformes.