After an extensive search of the literature I can only turn up a few
references on genetic structuring of catadromous fishes.  These seem to
be restricted to eels, barramundi and shad.  Surely there must be more
work on this group of fishes, either published or unpublished.  Does
anyone on the group know of any studies?  Thanks in advance,

Dean Jerry                    Internet: [log in to unmask]
Southern Cross University
Lismore NSW Australia