I thought I read somewhere that the bull shark does not breed in fresh
water, but must return to the sea (or at least brackish water) in order to
breed.  This article (sorry, can't remember who wrote it) stated it was a
bit of a mystery why the sharks remained in the lake after reaching adult,
thus breeding, size.  Lake Atitlan will certainly throw a wrench in this
theory.

Tom E. in New Mexico, USA.

-----Original Message-----
From: Conchologists List [mailto:[log in to unmask]]On Behalf Of
Leslie Allen Crnkovic
Sent: Saturday, March 29, 2008 8:49 AM
To: [log in to unmask]
Subject: [CONCH-L] Lake Nicaragua Sharks


The Lake Nicaragua Sharks are a true fresh-water species.  It is found all
the way up into Lake Atitlan in Guatemala.  The variety there is very
aggressive and typically beach swimming areas are caged off to keep sharks
of any size out.  Hopefully the Nicaragua variety is much less aggressive.

Don't let any of that asuade your enjoyment of the tremendous beauty of it
all.
Leslie

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