Cnfishbase: A Cyber Chinese Fish Database.

Fish constitute the largest group among vertebrates,accounting for more than half of all vertebrate species(Nelson et al.,2016),with new fish described each year.In the first edition of Fishes of the World,Nelson(1976)recorded 18 818 fish species from 450 families,which increased to 21 723 fish species from 445 families in the second edition(Nelson,1984),24 618 fish species from 482 families in the third edition(Nelson,1994),27 977 fish species from 515 families in the fourth edition(Nelson,2006),and 32 000+fish species from 536 families in the fifth edition(Nelson et al.,2016).According to the latest data from the FishBase database(March 2023),there are currently over 35 000 fish species belonging to 623 families worldwide.