Triassic flying fish discovery in China

This video is called BBC Life – Flying Fish.

From Biology Letters:

A Middle Triassic thoracopterid from China highlights the evolutionary origin of overwater gliding in early ray-finned fishes

Guang-Hui Xu, Li-Jun Zhao, Chen-Chen Shen

January 2015


Gliding adaptations in thoracopterid flying fishes represent a remarkable case of convergent evolution of overwater gliding strategy with modern exocoetid flying fishes, but the evolutionary origin of this strategy was poorly known in the thoracopterids because of lack of transitional forms.

Until recently, all thoracopterids, from the Late Triassic of Austria and Italy and the Middle Triassic of South China, were highly specialized ‘four-winged’ gliders in having wing-like paired fins and an asymmetrical caudal fin with the lower caudal lobe notably larger than the upper lobe.

Here, we show that the new genus Wushaichthys and the previously alleged ‘peltopleurid’ Peripeltopleurus, from the Middle Triassic (Ladinian, 235–242 Ma) of South China and near the Ladinian/Anisian boundary of southern Switzerland and northern Italy, respectively, represent the most primitive and oldest known thoracopterids.

Wushaichthys, the most basal thoracopterid, shows certain derived features of this group in the skull. Peripeltopleurus shows a condition intermediate between Wushaichthys and Thoracopterus in having a slightly asymmetrical caudal fin but still lacking wing-like paired fins. Phylogenetic studies suggest that the evolution of overwater gliding of thoracopterids was gradual in nature; a four-stage adaption following the ‘cranial specialization–asymmetrical caudal fin–enlarged paired fins–scale reduction’ sequence has been recognized in thoracopterid evolution. Moreover, Wushaichthys and Peripeltopleurus bear hooklets on the anal fin of supposed males, resembling those of modern viviparious teleosts. Early thoracopterids probably had evolved a live-bearing reproductive strategy.

11 thoughts on “Triassic flying fish discovery in China

  1. Pingback: Very long-necked dinosaur discovered in China | Dear Kitty. Some blog

  2. Pingback: Hundreds of dinosaur footprints discovered in Canada | Dear Kitty. Some blog

  3. Pingback: Climbing perch, a walking fish video | Dear Kitty. Some blog

  4. Pingback: Pre-dinosaur footprint Italian discovery | Dear Kitty. Some blog

  5. Pingback: Flying fish video | Dear Kitty. Some blog

  6. Pingback: Fish evolution, new discovery | Dear Kitty. Some blog

  7. Pingback: Triassic reptiles, unrelated to, but looking like, modern animals | Dear Kitty. Some blog

  8. Pingback: Flying fish evolution, videos | Dear Kitty. Some blog

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.