Superorder of Acanthopterygii

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Presentation transcript:

Superorder of Acanthopterygii 辐鳍鱼纲共同特征主讲人：柏皓天

General informations Acanthopterygii is a superorder within the class teleostei. This superorder contains a remarkably diversity of the higher spiny-rayed fishes with 14,800 species in 267 families

The Acanthoperygii are being distinguished by: Upper jaw is mobility and protrusibilty in this group. Pharyngeal dentition and action reach their highest level of development.

Other features Acanthopterygians typically charactarize: Ctenoid scales; A physoclistous gas bladder; Two distinct dorsal fins, which of one is spiny and the other is soft- rayed; Pelvic and anal fins with spines; And a number of trends in feeding, locomotion, and predator protection.

Acanthopterygian species Lionfish (Scorpaeniformes) Tuna (Scombridae) Anglerfish (Lophiiformes)