Definition of teleost in English:

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Pronunciation: /ˈtɛlɪɒst/
Pronunciation: /ˈtiːlɪɒst/


A fish of a large group that comprises all ray-finned fishes apart from the primitive bichirs, sturgeons, paddlefishes, freshwater garfishes, and bowfins.
Example sentences
  • These advances culminated in the modern bony fish, or teleosts, which show a tremendous diversity of mouth parts and feeding specializations.
  • The basiventrals form distinct elements that articulate with the pleural ribs in primitive teleosts, and thus act as parapophyses.
  • In the teleost fishes studied to date, the male morphs differ in circulating androgen levels.


Mid 19th century: from Greek teleos 'complete' + osteon 'bone'.

For editors and proofreaders

Line breaks: tele|ost

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