Gasterosteiformes

views updated May 29 2018

Gasterosteiformes (class Osteichthyes, subclass Actinopterygii) An order of fish that are found in both fresh and salt water. The dorsal fin is preceded by several sharp spines, as are the anal and pelvic fins. The pelvic fins are located just behind the pectorals. Gasterosteids have rather elongate bodies with a narrow tail region. The order includes the families Gasterosteidae and Aulorhynchidae.

Thoracostei

views updated Jun 08 2018

Thoracostei An alternative name for bony fish (including the sticklebacks) now included in the order Gasterosteiformes.

Solenichthyes

views updated May 23 2018

Solenichthyes An alternative, older name for fish belonging to the order Syngnathiformes.

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