Counting and measuring eggs - advice wanted

Gary Taghon taghon at
Wed Feb 21 11:45:41 EST 1996

I have a student who is trying to measure fecundity in Abarenicola, a
lugworm.  These animals do not conveniently place their eggs in brood
pouches, but release them from the coelom during spawning.  She has tried to
dissect worms, count eggs and measure their sizes but we are not convinced
that we are getting quantitative recovery of all eggs.  I would appreciate
any advice or suggestions on how to count and measure eggs in polychaetes
where the eggs are free in the coelom.
Gary L. Taghon                               voice: 908-932-6555 x547
Rutgers University                           FAX: 908-932-8578
Institute of Marine and Coastal Sciences     email: taghon at
New Brunswick, NJ 08903-0231

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