Vince - if you live in the San Jose area, maybe we could arrange to meet somewhere, if you'd be interested in borrowing my videotape. They have some awesome, *unforgettable* scenes, along with the great narration.

p.s. The full moon definitely seems to 'lock 'em on,' from what I remember of the video. And, yes, the spawn can spread over the course of several months on a given body of water. A female can also make more than one deposit of eggs in a given spawning season.