Which gasterosteiform fish families have bony rings instead of ordinary scales?

In the order Gasterosteiformes, most species are characterized by the presence of bony rings or ganoid plates rather than typical scales covering their bodies.1

While the order as a whole is defined by these protective structures, the family Syngnathidae—which includes pipefishes, seahorses, sea dragons, and pipehorses—is specifically noted for being covered in rings of bony armor. Other families within this order include Gasterosteidae (sticklebacks), Aulorhynchidae (tubesnouts), Indostomidae, Aulostomidae (trumpetfishes), Fistulariidae (cornetfishes), Centriscidae (shrimpfishes), Macrorhamphosidae (snipefishes), Solenostomidae (ghost pipefishes), Pegasidae (pegasids or dragonfish), and Hypoptychidae (sand lances).12