Arturo,

     The following book provides excellent descriptions and illustrations of
     larval fish:

     Wang, J. C. S. and R. J. Kernehan.  1979.  Fishes of the Delaware
     Estuaries: A Guide to the Early Life Histories.  EA Communications, Towson,
     Maryland  410 pp.

     Please do not hesitate to contact me directly if you have trouble finding
     it.

     Dave Lemarie
     USGS Biological Resources Division
     Leetown Science Center

     304 725-8461 ext. 214
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