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Some stickleback species

Gasterosteoidei is a suborder of ray-finned fishes that includes the sticklebacks and relatives. It is currently classified in the order Scorpaeniformes.

Systematics[change | change source]

Gasterosteoidei is treated as a suborder within the order Scorpaeniformes in the 5th edition of Fishes of the World, but in other classifications it is treated as the infraorder Gasterosteales.

Historically, Gasterosteoidei was called the Gasterosteiformes. Recent studies show that the more typical members of that group (like scorpionfishes) arecloser to the "true" Gasterosteiformes, so we can see why it was changed.

Families and genera[change | change source]

Tubesnout (Aulorhynchus flavidus)

Characteristics[change | change source]

These fish have the possession of an upper jaw and a well developed upward pointing process on the premaxilla. They have small mouths. The body usually has dermal plates.

Extinct genera[change | change source]

Here are two of the extinct genera of the Gasterosteoidei:

Related pages[change | change source]

References[change | change source]

  1. "Gasterosteoidei". Integrated Taxonomic Information System. Retrieved 24 November 2022.
  2. Froese, Rainer, and Daniel Pauly, eds. (2022). "Gasterosteidae" in FishBase. June 2022 version.

Other websites[change | change source]