Gasterosteiformes


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Gasterosteiformes

[‚gas·tə‚rä·stē·ə′fȯr‚mēz]
(vertebrate zoology)
An order of actinopterygian fishes characterized by a ductless swim bladder, a pelvic fin that is abdominal to subthoracic in position, and an elongate snout.
References in periodicals archive ?
Most of the specimens belong to the Scorpaneiformes and Gasterosteiformes (90% of the total number of specimens), the latter order being represented by a single species, the ninespine stickleback (Table 1).
Anguilliformes, Gasterosteiformes, Cyprinodontiformes et Perciformes.
accepted), and of other fish groups in two forthcoming papers, one treating the Gasterosteiformes and Syngnathiformes and the other, the Pleuronectiformes, in series.
Order Gasterosteiformes Family Gasterosteidae (Sticklebacks) Pungitius sp.
Order Gasterosteiformes Family Gasterosteidae--Sticklebacks 3 species Apeltes quadracus (Mitchill, 1815).
This higher rate, in turn, would push back the divergence between the two genera to the Cretaceous (80 mya), an unlikely event because the Gasterosteiformes are first known from the lower Eocene (Lauder and Liem 1983).