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Which major fish groups belong to the order Tetraodontiformes?

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Scrawled filefish (Aluterus scriptus) — tetraodontiform Scrawled filefish (*Aluterus scriptus*)

The order Tetraodontiformes comprises a diverse group of primarily tropical marine fishes that evolved approximately 50 million years ago. These fishes are closely related to the perciforms and are characterized by significant anatomical specialization and reductive evolutionary trends, such as a reduced number of skeletal elements and small gill openings.12

Major groups belonging to the order Tetraodontiformes include:

Triggerfishes1
Puffers1
Filefishes1
Porcupine fishes1

The order consists of approximately 360 modern species distributed across nine families, ranging from deepwater bottom-dwellers like the Triacanthodidae to various shallow-water forms.1