Tetraodontiformes

Balistidae - The largest member of the family, the stone triggerfish reaches 1 metre , but most species have a maximum length between 20 and 50 centimetres .

Monacanthidae - Filefish are tropical to subtropical tetraodontiform marine fish of the diverse family Monacanthidae.

Ostraciidae - The boxfishes are a family, Ostraciidae, of squared, bony fish belonging to the order Tetraodontiformes, closely related to the pufferfishes and filefishes.

Diodontidae - Porcupinefish are fish of the family Diodontidae, , also commonly called blowfish .

Tetraodontidae - Tetraodontidae is a family of primarily marine and estuarine fish.

Aracanidae - The Aracanidae are a family of bony fishes related to the boxfishes.

Triacanthodidae - The spikefishes are family, the Triacanthodidae of ray-finned fishes related to the pufferfishes and triggerfishes.

Molidae - Molidae is the family of the molas or ocean sunfishes, unique fish whose bodies come to an end just behind the dorsal and anal fins, giving them a "half-a-fish" appearance.

Triacanthidae - Triacanthidae, commonly known as triplespines or tripodfishes, is a family of Indo-Pacific fishes.

Triodontidae - It is native to the Indian and western Pacific Oceans.