Fishes of the World. Fifth edition. J. S. Nelson, T. C. Grande, and M. V. H. Wilson. 2016. John Wiley and Sons. ISBN 9781118342336. 707 p. $165.00 (hardcover). ISBN 9781119220824.$132.00 (e-book).

Forty years ago, Joseph S. Nelson published the first edition of Fishes of the World (Nelson, 1976). In his preface, he stated that his book was intended to “…fill a need that many teachers feel exists for both the lecture and laboratory portions of a course in ichthyology or biology of fishes. It is hoped that it will also be helpful to others who wish to review or refer to fish classification.” (Nelson, 1976:p. v). Nelson's book was soon recognized for its utility as “the most useful and satisfactory up-to-date supplement for the students” (Hubbs, 1978:p. 136). I bought my copy in Berkeley in April 1980, and that book and its three...