<P> Ichthyology ( from Greek : ἰχθύς , ikhthus , `` fish '' ; and λόγος , logos , `` study '' ) , also known as fish science , is the branch of zoology devoted to the study of fish . This includes bony fish ( Osteichthyes ) , cartilaginous fish ( Chondrichthyes ) , and jawless fish ( Agnatha ) . While a large number of species have been discovered , approximately 250 new species are officially described by science each year . According to FishBase , 33,400 species of fish had been described by October 2016 . </P>
<P> Ichthyology ( from Greek : ἰχθύς , ikhthus , `` fish '' ; and λόγος , logos , `` study '' ) , also known as fish science , is the branch of zoology devoted to the study of fish . This includes bony fish ( Osteichthyes ) , cartilaginous fish ( Chondrichthyes ) , and jawless fish ( Agnatha ) . While a large number of species have been discovered , approximately 250 new species are officially described by science each year . According to FishBase , 33,400 species of fish had been described by October 2016 . </P>
the branch of zoology that deals with the study of fishes
the branch of zoology that deals with the study of fishes
Ichthyology
Ichthyology